repos/blastem: vdp.h annotate

annotate vdp.h @ 217:acd29e2664c6

Added testcases file. Some fixes to test generator for dealing with indexed mode with base and index reg the same. Added support for blastem headless mode in test runner.

author	Mike Pavone <pavone@retrodev.com>
date	Sat, 20 Apr 2013 00:29:14 -0700
parents	7504200cac86
children	d3266cee02c9

rev	line source
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	1 #ifndef VDP_H_
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	2 #define VDP_H_
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	3
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	4 #include <stdint.h>
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	5 #include <stdio.h>
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	6
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	7 #define VDP_REGS 24
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	8 #define CRAM_SIZE 64
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	9 #define VSRAM_SIZE 40
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	10 #define VRAM_SIZE (64*1024)
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	11 #define LINEBUF_SIZE 320
175 7504200cac86 Fix order of SR and PC saved in an exception stack frame Mike Pavone <pavone@retrodev.com> parents: 149 diff changeset	12 #define FRAMEBUF_ENTRIES (320+27)*(240+27) //PAL active display + full border
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	13 #define FRAMEBUF_SIZE (FRAMEBUF_ENTRIES*sizeof(uint16_t))
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	14 #define MAX_DRAWS 40
37 cd59519b26d9 Initial H32 mode support Mike Pavone <pavone@retrodev.com> parents: 34 diff changeset	15 #define MAX_DRAWS_H32 32
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	16 #define MAX_SPRITES_LINE 20
37 cd59519b26d9 Initial H32 mode support Mike Pavone <pavone@retrodev.com> parents: 34 diff changeset	17 #define MAX_SPRITES_LINE_H32 16
38 898e3d035f42 Implement sprite index >= sprite limit triggers sprite limit behavior Mike Pavone <pavone@retrodev.com> parents: 37 diff changeset	18 #define MAX_SPRITES_FRAME 80
898e3d035f42 Implement sprite index >= sprite limit triggers sprite limit behavior Mike Pavone <pavone@retrodev.com> parents: 37 diff changeset	19 #define MAX_SPRITES_FRAME_H32 64
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	20
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	21 #define FBUF_BIT_PRIORITY 0x1000
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	22 #define FBUF_SRC_MASK 0xE000
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	23 #define FBUF_SRC_A 0x0000
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	24 #define FBUF_SRC_W 0x2000
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	25 #define FBUF_SRC_B 0x4000
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	26 #define FBUF_SRC_S 0x6000
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	27 #define FBUF_SRC_BG 0x8000
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 38 diff changeset	28
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	29 #define MCLKS_LINE 3420
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	30
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	31 #define FLAG_DOT_OFLOW 0x1
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	32 #define FLAG_CAN_MASK 0x2
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	33 #define FLAG_MASKED 0x4
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	34 #define FLAG_WINDOW 0x8
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	35 #define FLAG_PENDING 0x10
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	36 #define FLAG_UNUSED_SLOT 0x20
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	37 #define FLAG_DMA_RUN 0x40
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	38 #define FLAG_DMA_PROG 0x80
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	39
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	40 #define DISPLAY_ENABLE 0x40
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	41
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	42 enum {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	43 REG_MODE_1=0,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	44 REG_MODE_2,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	45 REG_SCROLL_A,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	46 REG_WINDOW,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	47 REG_SCROLL_B,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	48 REG_SAT,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	49 REG_BG_COLOR,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	50 REG_HINT=0xA,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	51 REG_MODE_3,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	52 REG_MODE_4,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	53 REG_HSCROLL,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	54 REG_AUTOINC=0xF,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	55 REG_SCROLL,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	56 REG_WINDOW_H,
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	57 REG_WINDOW_V,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	58 REG_DMALEN_L,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	59 REG_DMALEN_H,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	60 REG_DMASRC_L,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	61 REG_DMASRC_M,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	62 REG_DMASRC_H
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	63 } vdp_regs;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	64
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	65 typedef struct {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	66 uint16_t address;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	67 int16_t x_pos;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	68 uint8_t pal_priority;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	69 uint8_t h_flip;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	70 } sprite_draw;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	71
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	72 typedef struct {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	73 uint8_t size;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	74 uint8_t index;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	75 int16_t y;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	76 } sprite_info;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	77
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	78 typedef struct {
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	79 uint32_t cycle;
138 aa3e1bb338c9 Fix VDP reads Mike Pavone <pavone@retrodev.com> parents: 137 diff changeset	80 uint16_t address;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	81 uint16_t value;
138 aa3e1bb338c9 Fix VDP reads Mike Pavone <pavone@retrodev.com> parents: 137 diff changeset	82 uint8_t cd;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	83 uint8_t partial;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	84 } fifo_entry;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	85
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	86 typedef struct {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	87 fifo_entry *fifo_cur;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	88 fifo_entry *fifo_end;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	89 uint16_t address;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	90 uint8_t cd;
56 a28b1dfe1af2 Fix CRAM and possibly VSRAM writes Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	91 uint8_t flags;
138 aa3e1bb338c9 Fix VDP reads Mike Pavone <pavone@retrodev.com> parents: 137 diff changeset	92 uint8_t regs[VDP_REGS];
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	93 //cycle count in MCLKs
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	94 uint32_t cycles;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	95 uint8_t *vdpmem;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	96 //stores 2-bit palette + 4-bit palette index + priority for current sprite line
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	97 uint8_t *linebuf;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	98 //stores 12-bit color + shadow/highlight bits
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	99 uint16_t *framebuf;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	100 uint16_t cram[CRAM_SIZE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	101 uint16_t vsram[VSRAM_SIZE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	102 uint8_t latched_mode;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	103 uint16_t hscroll_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	104 uint16_t hscroll_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	105 uint8_t sprite_index;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	106 uint8_t sprite_draws;
21 72ce60cb1711 Sprites somewhat less broken Mike Pavone <pavone@retrodev.com> parents: 20 diff changeset	107 int8_t slot_counter;
72ce60cb1711 Sprites somewhat less broken Mike Pavone <pavone@retrodev.com> parents: 20 diff changeset	108 int8_t cur_slot;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	109 sprite_draw sprite_draw_list[MAX_DRAWS];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	110 sprite_info sprite_info_list[MAX_SPRITES_LINE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	111 uint16_t col_1;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	112 uint16_t col_2;
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	113 uint16_t dma_val;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	114 uint8_t v_offset;
131 8fc8e46be691 Fix bug that was causing DMA fills to lock up under certain circumstances Mike Pavone <pavone@retrodev.com> parents: 75 diff changeset	115 uint8_t dma_cd;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	116 uint8_t *tmp_buf_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	117 uint8_t *tmp_buf_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	118 } vdp_context;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	119
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	120 void init_vdp_context(vdp_context * context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	121 void vdp_run_context(vdp_context * context, uint32_t target_cycles);
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	122 //runs from current cycle count to VBLANK for the current mode, returns ending cycle count
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	123 uint32_t vdp_run_to_vblank(vdp_context * context);
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	124 //runs until the target cycle is reached or the current DMA operation has completed, whicever comes first
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	125 void vdp_run_dma_done(vdp_context * context, uint32_t target_cycles);
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	126 void vdp_load_savestate(vdp_context * context, FILE * state_file);
56 a28b1dfe1af2 Fix CRAM and possibly VSRAM writes Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	127 void vdp_save_state(vdp_context * context, FILE * outfile);
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	128 int vdp_control_port_write(vdp_context * context, uint16_t value);
149 139e5dcd6aa3 Make writes to control and data port block when DMA is in progress Mike Pavone <pavone@retrodev.com> parents: 138 diff changeset	129 int vdp_data_port_write(vdp_context * context, uint16_t value);
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	130 uint16_t vdp_control_port_read(vdp_context * context);
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	131 uint16_t vdp_data_port_read(vdp_context * context);
137 0e7e1ccc0a81 Implemented HV counter Mike Pavone <pavone@retrodev.com> parents: 131 diff changeset	132 uint16_t vdp_hv_counter_read(vdp_context * context);
65 aef6302770c2 Fix issue in which VDP would have trouble emptying FIFO because the VDP cycle count got reset at end of frame. Mike Pavone <pavone@retrodev.com> parents: 56 diff changeset	133 void vdp_adjust_cycles(vdp_context * context, uint32_t deduction);
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	134
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	135 #endif //VDP_H_

Mercurial > repos > blastem

annotate vdp.h @ 217:acd29e2664c6