repos/blastem: romdb.c annotate

annotate romdb.c @ 1006:9ab35686a025

Improve parsing of game name from ROM header

author	Michael Pavone <pavone@retrodev.com>
date	Sun, 01 May 2016 16:25:16 -0700
parents	4c17c7f46331
children	5fb64487b6e1

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"
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	6 #include "blastem.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"
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	8
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	9 #define DOM_TITLE_START 0x120
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	10 #define DOM_TITLE_END 0x150
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	11 #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	12 #define TITLE_END (TITLE_START+48)
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 #define GAME_ID_OFF 0x183
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 #define GAME_ID_LEN 8
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	15 #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	16 #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	17 #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	18 #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	19 #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	20 #define REGION_START 0x1F0
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	21
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	22 enum {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	23 I2C_IDLE,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	24 I2C_START,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	25 I2C_DEVICE_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	26 I2C_ADDRESS_HI,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	27 I2C_ADDRESS_HI_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	28 I2C_ADDRESS,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	29 I2C_ADDRESS_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	30 I2C_READ,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	31 I2C_READ_ACK,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	32 I2C_WRITE,
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	33 I2C_WRITE_ACK
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
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	36 char * i2c_states[] = {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	37 "idle",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	38 "start",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	39 "device ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	40 "address hi",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	41 "address hi ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	42 "address",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	43 "address ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	44 "read",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	45 "read_ack",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	46 "write",
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	47 "write_ack"
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
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	50 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	51 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	52 state->slave_sda = 1;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	53 state->host_sda = state->scl = 0;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	54 state->buffer = buffer;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	55 state->size = size;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	56 state->state = I2C_IDLE;
769 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
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	59 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	60 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	61 if (state->scl) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	62 if (val & ~state->host_sda) {
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	63 //low to high, stop condition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	64 state->state = I2C_IDLE;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	65 state->slave_sda = 1;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	66 } else if (~val & state->host_sda) {
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	67 //high to low, start condition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	68 state->state = I2C_START;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	69 state->slave_sda = 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	70 state->counter = 8;
769 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 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	73 state->host_sda = val;
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
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	76 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	77 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	78 if (val & ~state->scl) {
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	79 //low to high transition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	80 switch (state->state)
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	81 {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	82 case I2C_START:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	83 case I2C_ADDRESS_HI:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	84 case I2C_ADDRESS:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	85 case I2C_WRITE:
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	86 state->latch = state->host_sda \| state->latch << 1;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	87 state->counter--;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	88 if (!state->counter) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	89 switch (state->state & 0x7F)
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	90 {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	91 case I2C_START:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	92 state->state = I2C_DEVICE_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	93 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	94 case I2C_ADDRESS_HI:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	95 state->address = state->latch << 8;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	96 state->state = I2C_ADDRESS_HI_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	97 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	98 case I2C_ADDRESS:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	99 state->address \|= state->latch;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	100 state->state = I2C_ADDRESS_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	101 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	102 case I2C_WRITE:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	103 state->buffer[state->address] = state->latch;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	104 state->state = I2C_WRITE_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	105 break;
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 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	108 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	109 case I2C_DEVICE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	110 if (state->latch & 1) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	111 state->state = I2C_READ;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	112 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	113 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	114 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	115 }
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	116 state->latch = state->buffer[state->address];
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	117 } else {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	118 if (state->size < 256) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	119 state->address = state->latch >> 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	120 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	121 } 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	122 state->address = (state->latch & 0xE) << 7;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	123 state->state = I2C_ADDRESS;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	124 } else {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	125 state->state = I2C_ADDRESS_HI;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	126 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	127 state->counter = 8;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	128 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	129 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	130 case I2C_ADDRESS_HI_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	131 state->state = I2C_ADDRESS;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	132 state->counter = 8;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	133 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	134 case I2C_ADDRESS_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	135 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	136 state->address &= state->size-1;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	137 state->counter = 8;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	138 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	139 case I2C_READ:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	140 state->counter--;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	141 if (!state->counter) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	142 state->state = I2C_READ_ACK;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	143 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	144 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	145 case I2C_READ_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	146 state->state = I2C_READ;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	147 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	148 state->address++;
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	149 //TODO: page mask
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	150 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	151 state->latch = state->buffer[state->address];
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	152 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	153 case I2C_WRITE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	154 state->state = I2C_WRITE;
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	155 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	156 state->address++;
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	157 //TODO: page mask
ba38e36559b0 EEPROM writes now seem to work for NFL Quarterback Club 96 Michael Pavone <pavone@retrodev.com> parents: 777 diff changeset	158 state->address &= state->size-1;
770 a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	159 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	160 }
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	161 } else if (~val & state->scl) {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	162 //high to low transition
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	163 switch (state->state & 0x7F)
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	164 {
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	165 case I2C_DEVICE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	166 case I2C_ADDRESS_HI_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	167 case I2C_ADDRESS_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	168 case I2C_READ_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	169 case I2C_WRITE_ACK:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	170 state->slave_sda = 0;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	171 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	172 case I2C_READ:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	173 state->slave_sda = state->latch >> 7;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	174 state->latch = state->latch << 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	175 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	176 default:
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	177 state->slave_sda = 1;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	178 break;
a3b90f746dcf Broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 769 diff changeset	179 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	180 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	181 state->scl = val;
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
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	184 uint8_t get_sda(eeprom_state *state)
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	185 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	186 return state->host_sda & state->slave_sda;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	187 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	188
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	189 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	190 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	191 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	192 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	193 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	194 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	195 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	196 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	197 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	198 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	199 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	200 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	201 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	202 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	203 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	204
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	205 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	206 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	207 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	208 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	209 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	210 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	211 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	212 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	213 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	214 if (address & 1) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	215 return 0xFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	216 } else {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	217 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	218 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	219 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	220 if (address & 1) {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	221 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	222 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	223 return 0xFF;
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 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	226 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	227 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	228
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	229 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	230 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	231 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	232 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	233 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	234 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	235 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	236 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	237 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	238 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	239 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	240 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	241 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	242 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	243 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	244 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	245 break;
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 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	248 return context;
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
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	251 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	252 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	253 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	254 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	255 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	256 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	257 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	258 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	259 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	260 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	261 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	262 if (!(address & 1)) {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	263 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	264 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	265 break;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	266 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	267 if (address & 1) {
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	268 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	269 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	270 break;
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 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	273 return context;
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
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	276 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	277 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	278 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	279 address &= 0xE;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	280 address >>= 1;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	281 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	282 if (!address) {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	283 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	284 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	285 {
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 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	287 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	288 } 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	289 //Used for games that only use the mapper for 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	290 context->mem_pointers[gen->mapper_start_index] = cart + 0x200000/2;
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 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	292 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	293 {
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 context->mem_pointers[gen->mapper_start_index + i] = cart + 0x40000*gen->bank_regs[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	295 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	296 }
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	297 } 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	298 context->mem_pointers[gen->mapper_start_index + address] = 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	299 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	300 return context;
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
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	303 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	304 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	305 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	306 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	307 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	308 return context;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	309 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	310 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	311 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	312 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	313 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	314 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	315 return gen->eeprom_map + i;
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 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	318 return NULL;
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
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	321 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	322 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	323 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	324 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	325 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	326 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	327 }
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	328 if (map->scl_mask) {
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	329 set_scl(&gen->eeprom, (value & map->scl_mask) != 0);
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	330 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	331 if (map->sda_write_mask) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	332 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	333 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	334 return context;
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
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	337 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	338 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	339 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	340 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	341 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	342 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	343 }
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	344
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	345 uint16_t expanded, mask;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	346 if (address & 1) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	347 expanded = value;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	348 mask = 0xFF;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	349 } else {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	350 expanded = value << 8;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	351 mask = 0xFF00;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	352 }
772 1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	353 if (map->scl_mask & mask) {
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	354 set_scl(&gen->eeprom, (expanded & map->scl_mask) != 0);
1b82b282b829 Less broken EEPROM support Michael Pavone <pavone@retrodev.com> parents: 770 diff changeset	355 }
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	356 if (map->sda_write_mask & mask) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	357 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	358 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	359 return context;
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
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	362 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	363 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	364 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	365 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	366 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	367 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	368 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	369 uint16_t ret = 0;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	370 if (map->sda_read_bit < 16) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	371 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	372 }
938 4c17c7f46331 Accept address on 128-byte EEPROMs on both read and write Michael Pavone <pavone@retrodev.com> parents: 915 diff changeset	373 return ret;
769 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
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	376 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	377 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	378 genesis_context gen = ((m68k_context )context)->system;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	379 eeprom_map *map = find_eeprom_map(address, gen);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	380 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	381 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	382 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	383 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	384 uint8_t ret = 0;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	385 if (bit < 8) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	386 ret = get_sda(&gen->eeprom) << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	387 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	388 return ret;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	389 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	390
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 tern_node *load_rom_db()
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 {
875 54ffba3768d6 Make menu stuff work on Android (theoretically) Michael Pavone <pavone@retrodev.com> parents: 866 diff changeset	393 tern_node *db = parse_bundled_config("rom.db");
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	394 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	395 fatal_error("Failed to load ROM DB\n");
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	397 return db;
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
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	400 char get_header_name(uint8_t rom)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	401 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	402 //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	403 uint8_t *last = rom + TITLE_END - 1;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	404 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	405
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	406 for (;;)
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	407 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	408 while (last > src && (last <= 0x20 \|\| last >= 0x80))
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	409 {
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	410 last--;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	411 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	412 if (last == src) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	413 if (src == rom + TITLE_START) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	414 src = rom + DOM_TITLE_START;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	415 last = rom + DOM_TITLE_END - 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	416 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	417 return strdup("UNKNOWN");
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	418 }
1006 9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	419 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	420 last++;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	421 char *ret = malloc(last - (rom + TITLE_START) + 1);
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	422 uint8_t *dst;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	423 uint8_t last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	424 for (dst = ret; src < last; src++)
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	425 {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	426 if (src >= 0x20 && src < 0x80) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	427 if (*src == ' ') {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	428 if (last_was_space) {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	429 continue;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	430 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	431 last_was_space = 1;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	432 } else {
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	433 last_was_space = 0;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	434 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	435 (dst++) = src;
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 }
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	438 *dst = 0;
9ab35686a025 Improve parsing of game name from ROM header Michael Pavone <pavone@retrodev.com> parents: 938 diff changeset	439 return ret;
764 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 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	443
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	444 char *region_chars = "UB4JEA";
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 uint8_t region_bits[] = {REGION_U, REGION_U, REGION_U, REGION_J, REGION_E, REGION_E};
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
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	447 uint8_t translate_region_char(uint8_t c)
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 {
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 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	450 {
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 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	452 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	453 }
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	454 }
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	455 return 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	456 }
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	457
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	458 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	459 {
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	460 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	461 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	462 {
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	463 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	464 }
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	465 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	466 }
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	467
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	468 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	469 {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	470 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	471 }
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	472
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	473 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	474 {
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	475 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	476 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	477 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	478 } 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	479 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	480 } 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	481 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	482 }
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	483 }
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	484
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	485 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	486 {
777 79b10b421d3c Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack Michael Pavone <pavone@retrodev.com> parents: 776 diff changeset	487 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	488 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	489 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	490 } 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	491 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	492 }
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	493 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	494 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	495 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	496 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	497 ram_start &= 0xFFFFFE;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	498 ram_end \|= 1;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	499 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	500 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	501 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	502 save_size /= 2;
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 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 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	505 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	506
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	507 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	508 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	509 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	510 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	511
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	512 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	513 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	514 //TODO: ROM mirroring
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	515 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	516 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	517 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	518
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	519 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	520 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	521 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	522 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	523
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	524 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	525 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	526 } 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	527 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	528 }
767 ea525f600b1d SRAM detection from ROM header is no working correctly again Michael Pavone <pavone@retrodev.com> parents: 766 diff changeset	529 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	530 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	531 //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	532 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	533 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	534 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	535 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	536
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	537 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	538 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	539 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	540 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	541 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	542 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	543 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	544 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	545 info->map[1].write_8 = (write_8_fun)write_sram_area_b;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	546 info->map[1].buffer = cart + 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	547
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	548 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	549 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	550 last->start = 0xA13000;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	551 last->end = 0xA13100;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	552 last->mask = 0xFF;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	553 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	554 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	555 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	556 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	557 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	558 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	559 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	560 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	561
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	562 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	563 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	564 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	565 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	566 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	567 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	568 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	569
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	570 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	571 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	572 rom_info info;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	573 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	574 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	575 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	576 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	577 return info;
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	578 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	579
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	580 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	581 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	582 uint8_t *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	583 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	584 uint32_t rom_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	585 int index;
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	586 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	587 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	588 } 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	589
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	590 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	591 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	592 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	593 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	594 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	595 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	596 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	597 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	598 if (strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	599 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	600 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	601 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	602 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	603 map->sda_read_bit = bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	604 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	605
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	606 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	607 {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	608 int bit = atoi(key);
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	609 if (bit < 0 \|\| bit > 15) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	610 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	611 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	612 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	613 char *pin = val.ptrval;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	614 eeprom_map *map = data;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	615 if (!strcmp(pin, "sda")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	616 map->sda_write_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	617 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	618 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	619 if (!strcmp(pin, "scl")) {
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	620 map->scl_mask = 1 << bit;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	621 return;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	622 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	623 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	624 }
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	625
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	626 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	627 {
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	628 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	629 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	630 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	631 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	632 }
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	633 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	634 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	635 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	636 }
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	637 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	638 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	639 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	640 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	641 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	642 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	643 } 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	644 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	645 } 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	646 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	647 }
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 }
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 }
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	650
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 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	652 {
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) {
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	654 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	655 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	656 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	657 }
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 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	659 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	660 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	661 }
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 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	663 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	664 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	665 }
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 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	667 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	668 } 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	669 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	670 }
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 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	672 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	673 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	674 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	675 }
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
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 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	679 {
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 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	681 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	682 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	683 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	684 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	685 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	686 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	687 }
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	688 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	689 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	690 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	691 }
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 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	693 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	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
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	696 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	697 {
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	698 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	699 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	700 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	701 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	702 }
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	703 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	704 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	705 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	706 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	707 }
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	708 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	709 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	710 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	711 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	712 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	713 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	714 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	715 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	716 map->mask = calc_mask(state->rom_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	717 } 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	718 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	719 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	720
769 4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	721 map->write_16 = write_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	722 map->write_8 = write_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	723 map->read_16 = read_eeprom_i2c_w;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	724 map->read_8 = read_eeprom_i2c_b;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	725 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	726 } 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	727 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	728 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	729 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	730 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	731 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	732 } 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	733 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	734 }
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	735 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	736 } 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	737 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	738 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	739 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	740 }
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	741 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	742 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	743 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	744 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	745 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	746 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	747 } 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	748 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	749 } 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	750 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	751 }
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	752 } 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	753 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	754 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	755 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	756 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	757 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	758 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	759 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	760 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	761 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	762 }
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	763 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	764 {
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	765 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	766 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	767 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	768 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	769 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	770 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	771 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	772 } 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	773 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	774 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	775 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	776 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	777 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	778 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	779 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	780 } 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	781 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	782 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	783 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	784 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	785 }
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 }
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	787 }
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	788 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	789 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	790 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	791 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	792 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	793 } 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	794 //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	795 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	796 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	797 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	798 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	799 } 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	800 fatal_error("Invalid device type 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	801 }
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	802 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	803 }
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	804
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	805 rom_info configure_rom(tern_node rom_db, void vrom, 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	806 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	807 uint8_t product_id[GAME_ID_LEN+1];
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	808 uint8_t *rom = vrom;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	809 product_id[GAME_ID_LEN] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	810 for (int i = 0; i < GAME_ID_LEN; i++)
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	811 {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	812 if (rom[GAME_ID_OFF + i] <= ' ') {
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	813 product_id[i] = 0;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	814 break;
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	815 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	816 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	817
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	818 }
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	819 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	820 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	821 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	822 puts("Not found in ROM DB, examining header\n");
766 1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	823 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	824 }
bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	825 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	826 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	827 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	828 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	829 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	830 } 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	831 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	832 }
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	833
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	834 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	835 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	836 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	837 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	838 {
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	839 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	840 }
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	841 }
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	842 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	843 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	844 }
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	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 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	847 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	848 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	849 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	850 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	851 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	852 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	853 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	854 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	855 info.eeprom_map = NULL;
4638b88bc72d Initial work on I2C EEPROM implementation Michael Pavone <pavone@retrodev.com> parents: 768 diff changeset	856 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	857 memset(info.map, 0, sizeof(memmap_chunk) * info.map_chunks);
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	858 map_iter_state state = {&info, rom, entry, rom_size, 0, info.map_chunks - base_chunks, 0};
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	859 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	860 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	861 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	862 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	863 }
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	864 } else {
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB Michael Pavone <pavone@retrodev.com> parents: 765 diff changeset	865 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	866 }
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	867
913 a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	868 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	869 if (device_overrides) {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	870 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	871 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	872 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	873 } else {
a5a51465f8b0 Allow IO device config to be overriden by ROM DB Michael Pavone <pavone@retrodev.com> parents: 875 diff changeset	874 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	875 }
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	876 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	877
764 bb60259e8edf Initial work on ROM database Michael Pavone <pavone@retrodev.com> parents: diff changeset	878 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	879 }

Mercurial > repos > blastem

annotate romdb.c @ 1006:9ab35686a025