repos/blastem: vdp.h annotate

annotate vdp.h @ 380:1c8d74f2ab0b

Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.

author	Mike Pavone <pavone@retrodev.com>
date	Mon, 03 Jun 2013 21:43:38 -0700
parents	f8c6f8684cd6
children	36fbbced25c2

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
230 d3266cee02c9 Implemented shadow hilight mode. Mike Pavone <pavone@retrodev.com> parents: 175 diff changeset	21 #define FBUF_SHADOW 0x0001
d3266cee02c9 Implemented shadow hilight mode. Mike Pavone <pavone@retrodev.com> parents: 175 diff changeset	22 #define FBUF_HILIGHT 0x0010
43 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_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	24 #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	25 #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	26 #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	27 #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	28 #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	29 #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	30
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	31 #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	32
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	33 #define FLAG_DOT_OFLOW 0x01
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	34 #define FLAG_CAN_MASK 0x02
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	35 #define FLAG_MASKED 0x04
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	36 #define FLAG_WINDOW 0x08
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	37 #define FLAG_PENDING 0x10
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	38 #define FLAG_UNUSED_SLOT 0x20
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	39 #define FLAG_DMA_RUN 0x40
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	40 #define FLAG_DMA_PROG 0x80
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	41
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	42 #define FLAG2_VINT_PENDING 0x01
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	43 #define FLAG2_HINT_PENDING 0x02
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	44
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	45 #define DISPLAY_ENABLE 0x40
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	46
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	47 enum {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	48 REG_MODE_1=0,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	49 REG_MODE_2,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	50 REG_SCROLL_A,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	51 REG_WINDOW,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	52 REG_SCROLL_B,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	53 REG_SAT,
337 f8c6f8684cd6 Fix background color regsiter number Mike Pavone <pavone@retrodev.com> parents: 333 diff changeset	54 REG_BG_COLOR=7,
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	55 REG_HINT=0xA,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	56 REG_MODE_3,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	57 REG_MODE_4,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	58 REG_HSCROLL,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	59 REG_AUTOINC=0xF,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	60 REG_SCROLL,
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	61 REG_WINDOW_H,
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	62 REG_WINDOW_V,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	63 REG_DMALEN_L,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	64 REG_DMALEN_H,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	65 REG_DMASRC_L,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	66 REG_DMASRC_M,
108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	67 REG_DMASRC_H
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	68 } vdp_regs;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	69
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	70 typedef struct {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	71 uint16_t address;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	72 int16_t x_pos;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	73 uint8_t pal_priority;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	74 uint8_t h_flip;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	75 } sprite_draw;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	76
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	77 typedef struct {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	78 uint8_t size;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	79 uint8_t index;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	80 int16_t y;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	81 } sprite_info;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	82
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	83 typedef struct {
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	84 uint32_t cycle;
138 aa3e1bb338c9 Fix VDP reads Mike Pavone <pavone@retrodev.com> parents: 137 diff changeset	85 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	86 uint16_t value;
138 aa3e1bb338c9 Fix VDP reads Mike Pavone <pavone@retrodev.com> parents: 137 diff changeset	87 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	88 uint8_t partial;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	89 } fifo_entry;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	90
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	91 typedef struct {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	92 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	93 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	94 uint16_t address;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	95 uint8_t cd;
56 a28b1dfe1af2 Fix CRAM and possibly VSRAM writes Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	96 uint8_t flags;
138 aa3e1bb338c9 Fix VDP reads Mike Pavone <pavone@retrodev.com> parents: 137 diff changeset	97 uint8_t regs[VDP_REGS];
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	98 //cycle count in MCLKs
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	99 uint32_t cycles;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	100 uint8_t *vdpmem;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	101 //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	102 uint8_t *linebuf;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	103 //stores 12-bit color + shadow/highlight bits
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	104 uint16_t *framebuf;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	105 uint16_t cram[CRAM_SIZE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	106 uint16_t vsram[VSRAM_SIZE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	107 uint8_t latched_mode;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	108 uint16_t hscroll_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	109 uint16_t hscroll_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	110 uint8_t sprite_index;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	111 uint8_t sprite_draws;
21 72ce60cb1711 Sprites somewhat less broken Mike Pavone <pavone@retrodev.com> parents: 20 diff changeset	112 int8_t slot_counter;
72ce60cb1711 Sprites somewhat less broken Mike Pavone <pavone@retrodev.com> parents: 20 diff changeset	113 int8_t cur_slot;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	114 sprite_draw sprite_draw_list[MAX_DRAWS];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	115 sprite_info sprite_info_list[MAX_SPRITES_LINE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	116 uint16_t col_1;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	117 uint16_t col_2;
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	118 uint16_t dma_val;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	119 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	120 uint8_t dma_cd;
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	121 uint8_t hint_counter;
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	122 uint8_t flags2;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	123 uint8_t *tmp_buf_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	124 uint8_t *tmp_buf_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	125 } vdp_context;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	126
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	127 void init_vdp_context(vdp_context * context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	128 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	129 //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	130 uint32_t vdp_run_to_vblank(vdp_context * context);
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	131 //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	132 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	133 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	134 void vdp_save_state(vdp_context * context, FILE * outfile);
75 108e587165c0 Implement DMA (untested) Mike Pavone <pavone@retrodev.com> parents: 65 diff changeset	135 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	136 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	137 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	138 uint16_t vdp_data_port_read(vdp_context * context);
137 0e7e1ccc0a81 Implemented HV counter Mike Pavone <pavone@retrodev.com> parents: 131 diff changeset	139 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	140 void vdp_adjust_cycles(vdp_context * context, uint32_t deduction);
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	141 uint32_t vdp_next_hint(vdp_context * context);
e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	142 uint32_t vdp_next_vint(vdp_context * context);
333 f16136a3835d Update Z80 vint timing Mike Pavone <pavone@retrodev.com> parents: 327 diff changeset	143 uint32_t vdp_next_vint_z80(vdp_context * context);
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 230 diff changeset	144 void vdp_int_ack(vdp_context * context, uint16_t int_num);
322 8e2fa485c0f2 Remove z80_ram reference in SDL renderer to get stateview compiling again. Print out the sprite list in stateview. Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	145 void vdp_print_sprite_table(vdp_context * context);
327 1b00258b1f29 Added some basic VDP debugging features to debugger. Fixed DMA enable bug Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	146 void vdp_print_reg_explain(vdp_context * context);
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	147
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	148 #endif //VDP_H_

Mercurial > repos > blastem

annotate vdp.h @ 380:1c8d74f2ab0b