repos/blastem: romdb.c annotate

annotate romdb.c @ 1228:2e6dcb5c11a2

WIP support for XBAND mapper hardware

author	Michael Pavone <pavone@retrodev.com>
date	Thu, 23 Feb 2017 00:08:37 -0800
parents	53fc7efdfdab
children	23c94f5266d1

rev	line source
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 #include <stdlib.h>
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 #include <string.h>
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 #include "config.h"
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 #include "romdb.h"
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 #include "util.h"
1103 22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well. Michael Pavone <pavone@retrodev.com> parents: 1091 diff changeset	6 #include "genesis.h"
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	7 #include "menu.h"
1228 2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: 1221 diff changeset	8 #include "xband.h"
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	9
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	10 #define DOM_TITLE_START 0x120
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	11 #define DOM_TITLE_END 0x150
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	12 #define TITLE_START DOM_TITLE_END
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	13 #define TITLE_END (TITLE_START+48)
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	14 #define ROM_END 0x1A4
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	15 #define RAM_ID 0x1B0
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	16 #define RAM_FLAGS 0x1B2
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	17 #define RAM_START 0x1B4
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	18 #define RAM_END 0x1B8
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	19 #define REGION_START 0x1F0
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	20
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	21 enum {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	22 I2C_IDLE,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	23 I2C_START,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	24 I2C_DEVICE_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	25 I2C_ADDRESS_HI,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	26 I2C_ADDRESS_HI_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	27 I2C_ADDRESS,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	28 I2C_ADDRESS_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	29 I2C_READ,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	30 I2C_READ_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	31 I2C_WRITE,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	32 I2C_WRITE_ACK
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	33 };
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	34
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	35 char * i2c_states[] = {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	36 "idle",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	37 "start",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	38 "device ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	39 "address hi",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	40 "address hi ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	41 "address",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	42 "address ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	43 "read",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	44 "read_ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	45 "write",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	46 "write_ack"
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	47 };
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	48
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	49 void eeprom_init(eeprom_state state, uint8_t buffer, uint32_t size)
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	50 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	51 state->slave_sda = 1;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	52 state->host_sda = state->scl = 0;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	53 state->buffer = buffer;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	54 state->size = size;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	55 state->state = I2C_IDLE;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	56 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	57
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	58 void set_host_sda(eeprom_state *state, uint8_t val)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	59 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	60 if (state->scl) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	61 if (val & ~state->host_sda) {
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	62 //low to high, stop condition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	63 state->state = I2C_IDLE;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	64 state->slave_sda = 1;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	65 } else if (~val & state->host_sda) {
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	66 //high to low, start condition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	67 state->state = I2C_START;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	68 state->slave_sda = 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	69 state->counter = 8;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	70 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	71 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	72 state->host_sda = val;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	73 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	74
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	75 void set_scl(eeprom_state *state, uint8_t val)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	76 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	77 if (val & ~state->scl) {
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	78 //low to high transition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	79 switch (state->state)
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	80 {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	81 case I2C_START:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	82 case I2C_ADDRESS_HI:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	83 case I2C_ADDRESS:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	84 case I2C_WRITE:
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	85 state->latch = state->host_sda \| state->latch << 1;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	86 state->counter--;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	87 if (!state->counter) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	88 switch (state->state & 0x7F)
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	89 {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	90 case I2C_START:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	91 state->state = I2C_DEVICE_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	92 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	93 case I2C_ADDRESS_HI:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	94 state->address = state->latch << 8;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	95 state->state = I2C_ADDRESS_HI_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	96 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	97 case I2C_ADDRESS:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	98 state->address \|= state->latch;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	99 state->state = I2C_ADDRESS_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	100 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	101 case I2C_WRITE:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	102 state->buffer[state->address] = state->latch;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	103 state->state = I2C_WRITE_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	104 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	105 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	106 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	107 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	108 case I2C_DEVICE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	109 if (state->latch & 1) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	110 state->state = I2C_READ;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	111 state->counter = 8;
938 4c17c7f46331 Accept address on 128-byte EEPROMs on both read and write Michael Pavone <pavone@retrodev.com> parents: 915 diff changeset	112 if (state->size < 256) {
4c17c7f46331 Accept address on 128-byte EEPROMs on both read and write Michael Pavone <pavone@retrodev.com> parents: 915 diff changeset	113 state->address = state->latch >> 1;
4c17c7f46331 Accept address on 128-byte EEPROMs on both read and write Michael Pavone <pavone@retrodev.com> parents: 915 diff changeset	114 }
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	115 state->latch = state->buffer[state->address];
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	116 } else {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	117 if (state->size < 256) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	118 state->address = state->latch >> 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	119 state->state = I2C_WRITE;
779 ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	120 } else if (state->size < 4096) {
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	121 state->address = (state->latch & 0xE) << 7;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	122 state->state = I2C_ADDRESS;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	123 } else {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	124 state->state = I2C_ADDRESS_HI;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	125 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	126 state->counter = 8;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	127 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	128 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	129 case I2C_ADDRESS_HI_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	130 state->state = I2C_ADDRESS;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	131 state->counter = 8;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	132 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	133 case I2C_ADDRESS_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	134 state->state = I2C_WRITE;
779 ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	135 state->address &= state->size-1;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	136 state->counter = 8;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	137 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	138 case I2C_READ:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	139 state->counter--;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	140 if (!state->counter) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	141 state->state = I2C_READ_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	142 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	143 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	144 case I2C_READ_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	145 state->state = I2C_READ;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	146 state->counter = 8;
779 ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	147 state->address++;
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	148 //TODO: page mask
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	149 state->address &= state->size-1;
780 fa2c03fcbb88 EEPROM reads now work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 779 diff changeset	150 state->latch = state->buffer[state->address];
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	151 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	152 case I2C_WRITE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	153 state->state = I2C_WRITE;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	154 state->counter = 8;
779 ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	155 state->address++;
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	156 //TODO: page mask
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	157 state->address &= state->size-1;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	158 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	159 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	160 } else if (~val & state->scl) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	161 //high to low transition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	162 switch (state->state & 0x7F)
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	163 {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	164 case I2C_DEVICE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	165 case I2C_ADDRESS_HI_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	166 case I2C_ADDRESS_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	167 case I2C_READ_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	168 case I2C_WRITE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	169 state->slave_sda = 0;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	170 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	171 case I2C_READ:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	172 state->slave_sda = state->latch >> 7;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	173 state->latch = state->latch << 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	174 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	175 default:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	176 state->slave_sda = 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	177 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	178 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	179 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	180 state->scl = val;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	181 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	182
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	183 uint8_t get_sda(eeprom_state *state)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	184 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	185 return state->host_sda & state->slave_sda;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	186 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	187
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	188 uint16_t read_sram_w(uint32_t address, m68k_context * context)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	189 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	190 genesis_context * gen = context->system;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	191 address &= gen->save_ram_mask;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	192 switch(gen->save_type)
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	193 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	194 case RAM_FLAG_BOTH:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	195 return gen->save_storage[address] << 8 \| gen->save_storage[address+1];
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	196 case RAM_FLAG_EVEN:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	197 return gen->save_storage[address >> 1] << 8 \| 0xFF;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	198 case RAM_FLAG_ODD:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	199 return gen->save_storage[address >> 1] \| 0xFF00;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	200 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	201 return 0xFFFF;//We should never get here
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	202 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	203
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	204 uint8_t read_sram_b(uint32_t address, m68k_context * context)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	205 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	206 genesis_context * gen = context->system;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	207 address &= gen->save_ram_mask;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	208 switch(gen->save_type)
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	209 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	210 case RAM_FLAG_BOTH:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	211 return gen->save_storage[address];
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	212 case RAM_FLAG_EVEN:
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	213 if (address & 1) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	214 return 0xFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	215 } else {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	216 return gen->save_storage[address >> 1];
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	217 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	218 case RAM_FLAG_ODD:
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	219 if (address & 1) {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	220 return gen->save_storage[address >> 1];
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	221 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	222 return 0xFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	223 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	224 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	225 return 0xFF;//We should never get here
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	226 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	227
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	228 m68k_context * write_sram_area_w(uint32_t address, m68k_context * context, uint16_t value)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	229 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	230 genesis_context * gen = context->system;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	231 if ((gen->bank_regs[0] & 0x3) == 1) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	232 address &= gen->save_ram_mask;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	233 switch(gen->save_type)
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	234 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	235 case RAM_FLAG_BOTH:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	236 gen->save_storage[address] = value >> 8;
ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	237 gen->save_storage[address+1] = value;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	238 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	239 case RAM_FLAG_EVEN:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	240 gen->save_storage[address >> 1] = value >> 8;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	241 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	242 case RAM_FLAG_ODD:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	243 gen->save_storage[address >> 1] = value;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	244 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	245 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	246 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	247 return context;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	248 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	249
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	250 m68k_context * write_sram_area_b(uint32_t address, m68k_context * context, uint8_t value)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	251 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	252 genesis_context * gen = context->system;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	253 if ((gen->bank_regs[0] & 0x3) == 1) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	254 address &= gen->save_ram_mask;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	255 switch(gen->save_type)
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	256 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	257 case RAM_FLAG_BOTH:
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	258 gen->save_storage[address] = value;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	259 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	260 case RAM_FLAG_EVEN:
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	261 if (!(address & 1)) {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	262 gen->save_storage[address >> 1] = value;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	263 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	264 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	265 case RAM_FLAG_ODD:
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	266 if (address & 1) {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	267 gen->save_storage[address >> 1] = value;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	268 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	269 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	270 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	271 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	272 return context;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	273 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	274
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	275 m68k_context * write_bank_reg_w(uint32_t address, m68k_context * context, uint16_t value)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	276 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	277 genesis_context * gen = context->system;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	278 address &= 0xE;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	279 address >>= 1;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	280 gen->bank_regs[address] = value;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	281 if (!address) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	282 if (value & 1) {
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	283 for (int i = 0; i < 8; i++)
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	284 {
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	285 context->mem_pointers[gen->mapper_start_index + i] = NULL;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	286 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	287 } else {
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	288 //Used for games that only use the mapper for SRAM
1103 22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well. Michael Pavone <pavone@retrodev.com> parents: 1091 diff changeset	289 context->mem_pointers[gen->mapper_start_index] = gen->cart + 0x200000/2;
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	290 //For games that need more than 4MB
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	291 for (int i = 1; i < 8; i++)
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	292 {
1103 22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well. Michael Pavone <pavone@retrodev.com> parents: 1091 diff changeset	293 context->mem_pointers[gen->mapper_start_index + i] = gen->cart + 0x40000*gen->bank_regs[i];
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	294 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	295 }
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	296 } else {
1103 22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well. Michael Pavone <pavone@retrodev.com> parents: 1091 diff changeset	297 context->mem_pointers[gen->mapper_start_index + address] = gen->cart + 0x40000*value;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	298 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	299 return context;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	300 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	301
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	302 m68k_context * write_bank_reg_b(uint32_t address, m68k_context * context, uint8_t value)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	303 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	304 if (address & 1) {
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	305 write_bank_reg_w(address, context, value);
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	306 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	307 return context;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	308 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	309 eeprom_map find_eeprom_map(uint32_t address, genesis_context gen)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	310 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	311 for (int i = 0; i < gen->num_eeprom; i++)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	312 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	313 if (address >= gen->eeprom_map[i].start && address <= gen->eeprom_map[i].end) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	314 return gen->eeprom_map + i;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	315 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	316 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	317 return NULL;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	318 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	319
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	320 void * write_eeprom_i2c_w(uint32_t address, void * context, uint16_t value)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	321 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	322 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	323 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	324 if (!map) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	325 fatal_error("Could not find EEPROM map for address %X\n", address);
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	326 }
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	327 if (map->scl_mask) {
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	328 set_scl(&gen->eeprom, (value & map->scl_mask) != 0);
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	329 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	330 if (map->sda_write_mask) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	331 set_host_sda(&gen->eeprom, (value & map->sda_write_mask) != 0);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	332 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	333 return context;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	334 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	335
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	336 void * write_eeprom_i2c_b(uint32_t address, void * context, uint8_t value)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	337 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	338 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	339 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	340 if (!map) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	341 fatal_error("Could not find EEPROM map for address %X\n", address);
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	342 }
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	343
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	344 uint16_t expanded, mask;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	345 if (address & 1) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	346 expanded = value;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	347 mask = 0xFF;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	348 } else {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	349 expanded = value << 8;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	350 mask = 0xFF00;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	351 }
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	352 if (map->scl_mask & mask) {
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	353 set_scl(&gen->eeprom, (expanded & map->scl_mask) != 0);
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	354 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	355 if (map->sda_write_mask & mask) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	356 set_host_sda(&gen->eeprom, (expanded & map->sda_write_mask) != 0);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	357 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	358 return context;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	359 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	360
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	361 uint16_t read_eeprom_i2c_w(uint32_t address, void * context)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	362 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	363 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	364 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	365 if (!map) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	366 fatal_error("Could not find EEPROM map for address %X\n", address);
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	367 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	368 uint16_t ret = 0;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	369 if (map->sda_read_bit < 16) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	370 ret = get_sda(&gen->eeprom) << map->sda_read_bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	371 }
938 4c17c7f46331 Accept address on 128-byte EEPROMs on both read and write Michael Pavone <pavone@retrodev.com> parents: 915 diff changeset	372 return ret;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	373 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	374
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	375 uint8_t read_eeprom_i2c_b(uint32_t address, void * context)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	376 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	377 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	378 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	379 if (!map) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	380 fatal_error("Could not find EEPROM map for address %X\n", address);
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	381 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	382 uint8_t bit = address & 1 ? map->sda_read_bit : map->sda_read_bit - 8;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	383 uint8_t ret = 0;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	384 if (bit < 8) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	385 ret = get_sda(&gen->eeprom) << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	386 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	387 return ret;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	388 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	389
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	390 tern_node *load_rom_db()
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 {
875 54ffba3768d6 Make menu stuff work on Android (theoretically) Michael Pavone <pavone@retrodev.com> parents: 866 diff changeset	392 tern_node *db = parse_bundled_config("rom.db");
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	393 if (!db) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	394 fatal_error("Failed to load ROM DB\n");
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	395 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 return db;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	397 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	398
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	399 char get_header_name(uint8_t rom)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	400 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	401 //TODO: Should probably prefer the title field that corresponds to the user's region preference
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	402 uint8_t *last = rom + TITLE_END - 1;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	403 uint8_t *src = rom + TITLE_START;
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	404
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	405 for (;;)
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	406 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	407 while (last > src && (last <= 0x20 \|\| last >= 0x80))
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	408 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	409 last--;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	410 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	411 if (last == src) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	412 if (src == rom + TITLE_START) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	413 src = rom + DOM_TITLE_START;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	414 last = rom + DOM_TITLE_END - 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	415 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	416 return strdup("UNKNOWN");
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	417 }
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	418 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	419 last++;
1031 219de1d64aa1 Fixed a bug in get_header_name that results in a crash if the "International Name" field is blank Michael Pavone <pavone@retrodev.com> parents: 1016 diff changeset	420 char *ret = malloc(last - src + 1);
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	421 uint8_t *dst;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	422 uint8_t last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	423 for (dst = ret; src < last; src++)
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	424 {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	425 if (src >= 0x20 && src < 0x80) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	426 if (*src == ' ') {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	427 if (last_was_space) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	428 continue;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	429 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	430 last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	431 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	432 last_was_space = 0;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	433 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	434 (dst++) = src;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	435 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	436 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	437 *dst = 0;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	438 return ret;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	442
1195 b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	443 char *region_chars = "JUEW";
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	444 uint8_t region_bits[] = {REGION_J, REGION_U, REGION_E, REGION_J\|REGION_U\|REGION_E};
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	445
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	446 uint8_t translate_region_char(uint8_t c)
1195 b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	447 {
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	448 for (int i = 0; i < sizeof(region_bits); i++)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	449 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	450 if (c == region_chars[i]) {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	451 return region_bits[i];
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	452 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	453 }
1195 b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	454 uint8_t bin_region = 0;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	455 if (c >= '0' && c <= '9') {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	456 bin_region = c - '0';
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	457 } else if (c >= 'A' && c <= 'F') {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	458 bin_region = c - 'A' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	459 } else if (c >= 'a' && c <= 'f') {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	460 bin_region = c - 'a' + 0xA;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	461 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	462 uint8_t ret = 0;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	463 if (bin_region & 8) {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	464 ret \|= REGION_E;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	465 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	466 if (bin_region & 4) {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	467 ret \|= REGION_U;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	468 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	469 if (bin_region & 1) {
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	470 ret \|= REGION_J;
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	471 }
b8ba086b96ed Improved parsing of cartridge region header Michael Pavone <pavone@retrodev.com> parents: 1103 diff changeset	472 return ret;
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	473 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	474
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	475 uint8_t get_header_regions(uint8_t *rom)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	476 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	477 uint8_t regions = 0;
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	478 for (int i = 0; i < 3; i++)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	479 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	480 regions \|= translate_region_char(rom[REGION_START + i]);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	481 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	482 return regions;
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	483 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	484
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	485 uint32_t get_u32be(uint8_t *data)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	486 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	487 return *data << 24 \| data[1] << 16 \| data[2] << 8 \| data[3];
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	488 }
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	489
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	490 uint32_t calc_mask(uint32_t src_size, uint32_t start, uint32_t end)
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	491 {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	492 uint32_t map_size = end-start+1;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	493 if (src_size < map_size) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	494 return nearest_pow2(src_size)-1;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	495 } else if (!start) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	496 return 0xFFFFFF;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	497 } else {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	498 return nearest_pow2(map_size)-1;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	499 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	500 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	501
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	502 void add_memmap_header(rom_info info, uint8_t rom, uint32_t size, memmap_chunk const *base_map, int base_chunks)
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	503 {
777 79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	504 uint32_t rom_end = get_u32be(rom + ROM_END) + 1;
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	505 if (size > rom_end) {
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	506 rom_end = size;
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	507 } else if (rom_end > nearest_pow2(size)) {
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	508 rom_end = nearest_pow2(size);
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	509 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	510 if (rom[RAM_ID] == 'R' && rom[RAM_ID+1] == 'A') {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	511 uint32_t ram_start = get_u32be(rom + RAM_START);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	512 uint32_t ram_end = get_u32be(rom + RAM_END);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	513 uint32_t ram_flags = info->save_type = rom[RAM_FLAGS] & RAM_FLAG_MASK;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	514 ram_start &= 0xFFFFFE;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	515 ram_end \|= 1;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	516 info->save_mask = ram_end - ram_start;
777 79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	517 uint32_t save_size = info->save_mask + 1;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	518 if (ram_flags != RAM_FLAG_BOTH) {
777 79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	519 save_size /= 2;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	520 }
777 79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	521 info->save_size = save_size;
79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	522 info->save_buffer = malloc(save_size);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	523
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	524 info->map_chunks = base_chunks + (ram_start >= rom_end ? 2 : 3);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	525 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	526 memset(info->map, 0, sizeof(memmap_chunk)*2);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	527 memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	528
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	529 if (ram_start >= rom_end) {
825 e6f2c9dbf6c8 Prevent crashes if game tries to access the ROM area outside of the size of the actual ROM Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	530 info->map[0].end = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	531 //TODO: ROM mirroring
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	532 info->map[0].mask = 0xFFFFFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	533 info->map[0].flags = MMAP_READ;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	534 info->map[0].buffer = rom;
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	535
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	536 info->map[1].start = ram_start;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	537 info->map[1].mask = info->save_mask;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	538 info->map[1].end = ram_end + 1;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	539 info->map[1].flags = MMAP_READ \| MMAP_WRITE;
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	540
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	541 if (ram_flags == RAM_FLAG_ODD) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	542 info->map[1].flags \|= MMAP_ONLY_ODD;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	543 } else if (ram_flags == RAM_FLAG_EVEN) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	544 info->map[1].flags \|= MMAP_ONLY_EVEN;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	545 }
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	546 info->map[1].buffer = info->save_buffer;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	547 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	548 //Assume the standard Sega mapper
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	549 info->map[0].end = 0x200000;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	550 info->map[0].mask = 0xFFFFFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	551 info->map[0].flags = MMAP_READ;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	552 info->map[0].buffer = rom;
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	553
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	554 info->map[1].start = 0x200000;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	555 info->map[1].end = 0x400000;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	556 info->map[1].mask = 0x1FFFFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	557 info->map[1].flags = MMAP_READ \| MMAP_PTR_IDX \| MMAP_FUNC_NULL;
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	558 info->map[1].ptr_index = info->mapper_start_index = 0;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	559 info->map[1].read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	560 info->map[1].read_8 = (read_8_fun)read_sram_b;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	561 info->map[1].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	562 info->map[1].write_8 = (write_8_fun)write_sram_area_b;
1221 53fc7efdfdab Fix handling of SRAM overlapping with ROM Michael Pavone <pavone@retrodev.com> parents: 1195 diff changeset	563 info->map[1].buffer = rom + 0x200000;
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	564
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	565 memmap_chunk *last = info->map + info->map_chunks - 1;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	566 memset(last, 0, sizeof(memmap_chunk));
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	567 last->start = 0xA13000;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	568 last->end = 0xA13100;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	569 last->mask = 0xFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	570 last->write_16 = (write_16_fun)write_bank_reg_w;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	571 last->write_8 = (write_8_fun)write_bank_reg_b;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	572 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	573 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	574 info->map_chunks = base_chunks + 1;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	575 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	576 memset(info->map, 0, sizeof(memmap_chunk));
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	577 memcpy(info->map+1, base_map, sizeof(memmap_chunk) * base_chunks);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	578
825 e6f2c9dbf6c8 Prevent crashes if game tries to access the ROM area outside of the size of the actual ROM Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	579 info->map[0].end = rom_end > 0x400000 ? rom_end : 0x400000;
e6f2c9dbf6c8 Prevent crashes if game tries to access the ROM area outside of the size of the actual ROM Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	580 info->map[0].mask = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF;
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	581 info->map[0].flags = MMAP_READ;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	582 info->map[0].buffer = rom;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	583 info->save_type = SAVE_NONE;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	584 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	585 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	586
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	587 rom_info configure_rom_heuristics(uint8_t rom, uint32_t rom_size, memmap_chunk const base_map, uint32_t base_chunks)
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	588 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	589 rom_info info;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	590 info.name = get_header_name(rom);
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	591 info.regions = get_header_regions(rom);
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	592 add_memmap_header(&info, rom, rom_size, base_map, base_chunks);
915 9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB. Michael Pavone <pavone@retrodev.com> parents: 913 diff changeset	593 info.port1_override = info.port2_override = info.ext_override = info.mouse_mode = NULL;
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	594 return info;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	595 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	596
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	597 typedef struct {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	598 rom_info *info;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	599 uint8_t *rom;
1016 5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	600 uint8_t *lock_on;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	601 tern_node *root;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	602 uint32_t rom_size;
1016 5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	603 uint32_t lock_on_size;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	604 int index;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	605 int num_els;
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	606 uint16_t ptr_index;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	607 } map_iter_state;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	608
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	609 void eeprom_read_fun(char key, tern_val val, void data)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	610 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	611 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	612 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	613 fprintf(stderr, "bit %s is out of range", key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	614 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	615 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	616 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	617 if (strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	618 fprintf(stderr, "bit %s is connected to unrecognized read pin %s", key, pin);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	619 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	620 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	621 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	622 map->sda_read_bit = bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	623 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	624
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	625 void eeprom_write_fun(char key, tern_val val, void data)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	626 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	627 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	628 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	629 fprintf(stderr, "bit %s is out of range", key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	630 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	631 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	632 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	633 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	634 if (!strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	635 map->sda_write_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	636 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	637 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	638 if (!strcmp(pin, "scl")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	639 map->scl_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	640 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	641 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	642 fprintf(stderr, "bit %s is connected to unrecognized write pin %s", key, pin);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	643 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	644
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	645 void process_sram_def(char key, map_iter_state state)
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	646 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	647 if (!state->info->save_size) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	648 char * size = tern_find_path(state->root, "SRAM\0size\0").ptrval;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	649 if (!size) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	650 fatal_error("ROM DB map entry %d with address %s has device type SRAM, but the SRAM size is not defined\n", state->index, key);
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	651 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	652 state->info->save_size = atoi(size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	653 if (!state->info->save_size) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	654 fatal_error("SRAM size %s is invalid\n", size);
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	655 }
775 22728a57d7f3 Populate save mask when SRAM is defined in ROM DB rather than cart header Michael Pavone <pavone@retrodev.com> parents: 774 diff changeset	656 state->info->save_mask = nearest_pow2(state->info->save_size)-1;
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	657 state->info->save_buffer = malloc(state->info->save_size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	658 memset(state->info->save_buffer, 0, state->info->save_size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	659 char *bus = tern_find_path(state->root, "SRAM\0bus\0").ptrval;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	660 if (!strcmp(bus, "odd")) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	661 state->info->save_type = RAM_FLAG_ODD;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	662 } else if(!strcmp(bus, "even")) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	663 state->info->save_type = RAM_FLAG_EVEN;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	664 } else {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	665 state->info->save_type = RAM_FLAG_BOTH;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	666 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	667 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	668 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	669
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	670 void process_eeprom_def(char * key, map_iter_state *state)
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	671 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	672 if (!state->info->save_size) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	673 char * size = tern_find_path(state->root, "EEPROM\0size\0").ptrval;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	674 if (!size) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	675 fatal_error("ROM DB map entry %d with address %s has device type EEPROM, but the EEPROM size is not defined\n", state->index, key);
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	676 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	677 state->info->save_size = atoi(size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	678 if (!state->info->save_size) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	679 fatal_error("EEPROM size %s is invalid\n", size);
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	680 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	681 char *etype = tern_find_path(state->root, "EEPROM\0type\0").ptrval;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	682 if (!etype) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	683 etype = "i2c";
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	684 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	685 if (!strcmp(etype, "i2c")) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	686 state->info->save_type = SAVE_I2C;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	687 } else {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	688 fatal_error("EEPROM type %s is invalid\n", etype);
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	689 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	690 state->info->save_buffer = malloc(state->info->save_size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	691 memset(state->info->save_buffer, 0xFF, state->info->save_size);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	692 state->info->eeprom_map = malloc(sizeof(eeprom_map) * state->num_els);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	693 memset(state->info->eeprom_map, 0, sizeof(eeprom_map) * state->num_els);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	694 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	695 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	696
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	697 void add_eeprom_map(tern_node node, uint32_t start, uint32_t end, map_iter_state state)
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	698 {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	699 eeprom_map *eep_map = state->info->eeprom_map + state->info->num_eeprom;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	700 eep_map->start = start;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	701 eep_map->end = end;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	702 eep_map->sda_read_bit = 0xFF;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	703 tern_node * bits_read = tern_find_ptr(node, "bits_read");
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	704 if (bits_read) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	705 tern_foreach(bits_read, eeprom_read_fun, eep_map);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	706 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	707 tern_node * bits_write = tern_find_ptr(node, "bits_write");
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	708 if (bits_write) {
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	709 tern_foreach(bits_write, eeprom_write_fun, eep_map);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	710 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	711 printf("EEPROM address %X: sda read: %X, sda write: %X, scl: %X\n", start, eep_map->sda_read_bit, eep_map->sda_write_mask, eep_map->scl_mask);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	712 state->info->num_eeprom++;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	713 }
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	714
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	715 void map_iter_fun(char key, tern_val val, void data)
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	716 {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	717 map_iter_state *state = data;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	718 tern_node *node = tern_get_node(val);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	719 if (!node) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	720 fatal_error("ROM DB map entry %d with address %s is not a node\n", state->index, key);
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	721 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	722 uint32_t start = strtol(key, NULL, 16);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	723 uint32_t end = strtol(tern_find_ptr_default(node, "last", "0"), NULL, 16);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	724 if (!end \|\| end < start) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 781 diff changeset	725 fatal_error("'last' value is missing or invalid for ROM DB map entry %d with address %s\n", state->index, key);
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	726 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	727 char * dtype = tern_find_ptr_default(node, "device", "ROM");
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	728 uint32_t offset = strtol(tern_find_ptr_default(node, "offset", "0"), NULL, 16);
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	729 memmap_chunk *map = state->info->map + state->index;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	730 map->start = start;
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	731 map->end = end + 1;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	732 if (!strcmp(dtype, "ROM")) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	733 map->buffer = state->rom + offset;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	734 map->flags = MMAP_READ;
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	735 map->mask = calc_mask(state->rom_size - offset, start, end);
1016 5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	736 } else if (!strcmp(dtype, "LOCK-ON")) {
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	737 if (!state->lock_on) {
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	738 //skip this entry if there is no lock on cartridge attached
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	739 return;
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	740 }
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	741 map->buffer = state->lock_on + offset;
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	742 map->flags = MMAP_READ;
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	743 map->mask = calc_mask(state->lock_on_size - offset, start, end);
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	744 } else if (!strcmp(dtype, "EEPROM")) {
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	745 process_eeprom_def(key, state);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	746 add_eeprom_map(node, start, end, state);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	747
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	748 map->write_16 = write_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	749 map->write_8 = write_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	750 map->read_16 = read_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	751 map->read_8 = read_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	752 map->mask = 0xFFFFFF;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	753 } else if (!strcmp(dtype, "SRAM")) {
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	754 process_sram_def(key, state);
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	755 map->buffer = state->info->save_buffer + offset;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	756 map->flags = MMAP_READ \| MMAP_WRITE;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	757 if (state->info->save_type == RAM_FLAG_ODD) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	758 map->flags \|= MMAP_ONLY_ODD;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	759 } else if(state->info->save_type == RAM_FLAG_EVEN) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	760 map->flags \|= MMAP_ONLY_EVEN;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	761 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	762 map->mask = calc_mask(state->info->save_size, start, end);
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	763 } else if (!strcmp(dtype, "RAM")) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	764 uint32_t size = strtol(tern_find_ptr_default(node, "size", "0"), NULL, 16);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	765 if (!size \|\| size > map->end - map->start) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	766 size = map->end - map->start;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	767 }
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	768 map->buffer = malloc(size);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	769 map->mask = calc_mask(size, start, end);
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	770 map->flags = MMAP_READ \| MMAP_WRITE;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	771 char *bus = tern_find_ptr_default(node, "bus", "both");
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	772 if (!strcmp(dtype, "odd")) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	773 map->flags \|= MMAP_ONLY_ODD;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	774 } else if (!strcmp(dtype, "even")) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	775 map->flags \|= MMAP_ONLY_EVEN;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	776 } else {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	777 map->flags \|= MMAP_CODE;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	778 }
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	779 } else if (!strcmp(dtype, "Sega mapper")) {
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	780 state->info->mapper_start_index = state->ptr_index++;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	781 state->info->map_chunks+=7;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	782 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks);
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	783 memset(state->info->map + state->info->map_chunks - 7, 0, sizeof(memmap_chunk) * 7);
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	784 map = state->info->map + state->index;
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	785 char *save_device = tern_find_path(node, "save\0device\0").ptrval;
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	786 if (save_device && !strcmp(save_device, "EEPROM")) {
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	787 process_eeprom_def(key, state);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	788 add_eeprom_map(node, start & map->mask, end & map->mask, state);
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	789 }
776 cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	790 for (int i = 0; i < 7; i++, state->index++, map++)
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	791 {
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	792 map->start = start + i * 0x80000;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	793 map->end = start + (i + 1) * 0x80000;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	794 map->mask = 0x7FFFF;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	795 map->buffer = state->rom + offset + i * 0x80000;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	796 map->ptr_index = state->ptr_index++;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	797 if (i < 3 \|\| !save_device) {
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	798 map->flags = MMAP_READ \| MMAP_PTR_IDX;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	799 } else {
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	800 map->flags = MMAP_READ \| MMAP_PTR_IDX \| MMAP_FUNC_NULL;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	801 if (!strcmp(save_device, "SRAM")) {
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	802 process_sram_def(key, state);
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	803 map->read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	804 map->read_8 = (read_8_fun)read_sram_b;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	805 map->write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	806 map->write_8 = (write_8_fun)write_sram_area_b;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	807 } else if (!strcmp(save_device, "EEPROM")) {
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	808 map->write_16 = write_eeprom_i2c_w;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	809 map->write_8 = write_eeprom_i2c_b;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	810 map->read_16 = read_eeprom_i2c_w;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	811 map->read_8 = read_eeprom_i2c_b;
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	812 }
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	813 }
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works. Michael Pavone <pavone@retrodev.com> parents: 775 diff changeset	814 }
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	815 map->start = 0xA13000;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	816 map->end = 0xA13100;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	817 map->mask = 0xFF;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	818 map->write_16 = (write_16_fun)write_bank_reg_w;
41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	819 map->write_8 = (write_8_fun)write_bank_reg_b;
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	820 } else if (!strcmp(dtype, "MENU")) {
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	821 //fake hardware for supporting menu
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	822 map->buffer = NULL;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	823 map->mask = 0xFF;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	824 map->write_16 = menu_write_w;
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	825 map->read_16 = menu_read_w;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	826 } else {
1016 5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	827 fatal_error("Invalid device type %s for ROM DB map entry %d with address %s\n", dtype, state->index, key);
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	828 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	829 state->index++;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	830 }
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	831
1016 5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	832 rom_info configure_rom(tern_node rom_db, void vrom, uint32_t rom_size, void lock_on, uint32_t lock_on_size, memmap_chunk const base_map, uint32_t base_chunks)
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	833 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	834 uint8_t product_id[GAME_ID_LEN+1];
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	835 uint8_t *rom = vrom;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	836 product_id[GAME_ID_LEN] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	837 for (int i = 0; i < GAME_ID_LEN; i++)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	838 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	839 if (rom[GAME_ID_OFF + i] <= ' ') {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	840 product_id[i] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	841 break;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	842 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	843 product_id[i] = rom[GAME_ID_OFF + i];
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	844
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	845 }
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	846 printf("Product ID: %s\n", product_id);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	847 tern_node * entry = tern_find_ptr(rom_db, product_id);
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	848 if (!entry) {
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	849 puts("Not found in ROM DB, examining header\n");
1228 2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: 1221 diff changeset	850 if (xband_detect(rom, rom_size)) {
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: 1221 diff changeset	851 return xband_configure_rom(rom_db, rom, rom_size, lock_on, lock_on_size, base_map, base_chunks);
2e6dcb5c11a2 WIP support for XBAND mapper hardware Michael Pavone <pavone@retrodev.com> parents: 1221 diff changeset	852 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	853 return configure_rom_heuristics(rom, rom_size, base_map, base_chunks);
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	854 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	855 rom_info info;
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	856 info.name = tern_find_ptr(entry, "name");
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	857 if (info.name) {
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	858 printf("Found name: %s\n", info.name);
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	859 info.name = strdup(info.name);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	860 } else {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	861 info.name = get_header_name(rom);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	862 }
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	863
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	864 char *dbreg = tern_find_ptr(entry, "regions");
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	865 info.regions = 0;
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	866 if (dbreg) {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	867 while (*dbreg != 0)
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	868 {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	869 info.regions \|= translate_region_char(*(dbreg++));
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	870 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	871 }
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	872 if (!info.regions) {
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	873 info.regions = get_header_regions(rom);
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	874 }
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	875
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	876 tern_node *map = tern_find_ptr(entry, "map");
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	877 if (map) {
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	878 info.save_type = SAVE_NONE;
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	879 info.map_chunks = tern_count(map);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	880 if (info.map_chunks) {
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	881 info.map_chunks += base_chunks;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	882 info.save_buffer = NULL;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	883 info.save_size = 0;
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	884 info.map = malloc(sizeof(memmap_chunk) * info.map_chunks);
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	885 info.eeprom_map = NULL;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	886 info.num_eeprom = 0;
774 41dc895e85ff Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB Michael Pavone <pavone@retrodev.com> parents: 772 diff changeset	887 memset(info.map, 0, sizeof(memmap_chunk) * info.map_chunks);
1016 5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	888 map_iter_state state = {
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	889 .info = &info,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	890 .rom = rom,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	891 .lock_on = lock_on,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	892 .root = entry,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	893 .rom_size = rom_size,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	894 .lock_on_size = lock_on_size,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	895 .index = 0,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	896 .num_els = info.map_chunks - base_chunks,
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	897 .ptr_index = 0
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality. Michael Pavone <pavone@retrodev.com> parents: 1006 diff changeset	898 };
768 2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	899 tern_foreach(map, map_iter_fun, &state);
2f48a3c187c6 Add support for reading cartridge memory map from ROM database, though without EEPROM support for now Michael Pavone <pavone@retrodev.com> parents: 767 diff changeset	900 memcpy(info.map + state.index, base_map, sizeof(memmap_chunk) * base_chunks);
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	901 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	902 add_memmap_header(&info, rom, rom_size, base_map, base_chunks);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	903 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	904 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	905 add_memmap_header(&info, rom, rom_size, base_map, base_chunks);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	906 }
866 69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list Michael Pavone <pavone@retrodev.com> parents: 859 diff changeset	907
913 a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	908 tern_node *device_overrides = tern_find_ptr(entry, "device_overrides");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	909 if (device_overrides) {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	910 info.port1_override = tern_find_ptr(device_overrides, "1");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	911 info.port2_override = tern_find_ptr(device_overrides, "2");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	912 info.ext_override = tern_find_ptr(device_overrides, "ext");
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	913 } else {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	914 info.port1_override = info.port2_override = info.ext_override = NULL;
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	915 }
915 9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB. Michael Pavone <pavone@retrodev.com> parents: 913 diff changeset	916 info.mouse_mode = tern_find_ptr(entry, "mouse_mode");
913 a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	917
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	918 return info;
765 dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM. Michael Pavone <pavone@retrodev.com> parents: 764 diff changeset	919 }

Mercurial > repos > blastem

annotate romdb.c @ 1228:2e6dcb5c11a2