Mercurial > repos > blastem

annotate vdp.h @ 437:afbea09d7fb4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Restore one of the VDP debugging modes
author Mike Pavone <pavone@retrodev.com>
date Mon, 15 Jul 2013 23:07:45 -0700
parents e341fd5aa996
children b7c3b2d22858
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 MAX_DRAWS 40
37
cd59519b26d9 Initial H32 mode support
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
14 #define MAX_DRAWS_H32 32
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
15 #define MAX_SPRITES_LINE 20
37
cd59519b26d9 Initial H32 mode support
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
16 #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
17 #define MAX_SPRITES_FRAME 80
898e3d035f42 Implement sprite index >= sprite limit triggers sprite limit behavior
Mike Pavone <pavone@retrodev.com>
parents: 37
diff changeset
18 #define MAX_SPRITES_FRAME_H32 64
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
19
230
d3266cee02c9 Implemented shadow hilight mode.
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
20 #define FBUF_SHADOW 0x0001
d3266cee02c9 Implemented shadow hilight mode.
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
21 #define FBUF_HILIGHT 0x0010
437
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
22 #define DBG_SHADOW 0x10
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
23 #define DBG_HILIGHT 0x20
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
24 #define DBG_PRIORITY 0x8
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
25 #define DBG_SRC_MASK 0x7
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
26 #define DBG_SRC_A 0x1
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
27 #define DBG_SRC_W 0x2
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
28 #define DBG_SRC_B 0x3
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
29 #define DBG_SRC_S 0x4
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
30 #define DBG_SRC_BG 0x0
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 38
diff changeset
31
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
32 #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
33
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
34 #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
35 #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
36 #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
37 #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
38 #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
39 #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
40 #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
41 #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
42
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_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
44 #define FLAG2_HINT_PENDING 0x02
75
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
45
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
46 #define DISPLAY_ENABLE 0x40
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
47
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
48 enum {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
49 REG_MODE_1=0,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
50 REG_MODE_2,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
51 REG_SCROLL_A,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
52 REG_WINDOW,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
53 REG_SCROLL_B,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
54 REG_SAT,
337
f8c6f8684cd6 Fix background color regsiter number
Mike Pavone <pavone@retrodev.com>
parents: 333
diff changeset
55 REG_BG_COLOR=7,
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
56 REG_HINT=0xA,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
57 REG_MODE_3,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
58 REG_MODE_4,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
59 REG_HSCROLL,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
60 REG_AUTOINC=0xF,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
61 REG_SCROLL,
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
62 REG_WINDOW_H,
75
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
63 REG_WINDOW_V,
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
64 REG_DMALEN_L,
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
65 REG_DMALEN_H,
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
66 REG_DMASRC_L,
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
67 REG_DMASRC_M,
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
68 REG_DMASRC_H
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
69 } vdp_regs;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
70
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
71 //Mode reg 1
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
72 #define BIT_HINT_EN 0x10
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
73 #define BIT_PAL_SEL 0x04
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
74 #define BIT_HVC_LATCH 0x02
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
75 #define BIT_DISP_DIS 0x01
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
76
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
77 //Mode reg 2
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
78 #define BIT_DISP_EN 0x40
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
79 #define BIT_VINT_EN 0x20
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
80 #define BIT_DMA_ENABLE 0x10
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
81 #define BIT_PAL 0x08
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
82 #define BIT_MODE_5 0x04
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
83
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
84 //Mode reg 3
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
85 #define BIT_EINT_EN 0x10
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
86 #define BIT_VSCROLL 0x04
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
87
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
88 //Mode reg 4
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
89 #define BIT_H40 0x01
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
90 #define BIT_HILIGHT 0x8
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
91 #define BIT_DOUBLE_RES 0x4
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
92 #define BIT_INTERLACE 0x2
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
93
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
94 typedef struct {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
95 uint16_t address;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
96 int16_t x_pos;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
97 uint8_t pal_priority;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
98 uint8_t h_flip;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
99 } sprite_draw;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
100
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
101 typedef struct {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
102 uint8_t size;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
103 uint8_t index;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
104 int16_t y;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
105 } sprite_info;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
106
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
107 typedef struct {
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
108 uint32_t cycle;
138
aa3e1bb338c9 Fix VDP reads
Mike Pavone <pavone@retrodev.com>
parents: 137
diff changeset
109 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
110 uint16_t value;
138
aa3e1bb338c9 Fix VDP reads
Mike Pavone <pavone@retrodev.com>
parents: 137
diff changeset
111 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
112 uint8_t partial;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
113 } fifo_entry;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
114
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
115 typedef struct {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
116 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
117 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
118 uint16_t address;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
119 uint8_t cd;
56
a28b1dfe1af2 Fix CRAM and possibly VSRAM writes
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
120 uint8_t flags;
138
aa3e1bb338c9 Fix VDP reads
Mike Pavone <pavone@retrodev.com>
parents: 137
diff changeset
121 uint8_t regs[VDP_REGS];
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
122 //cycle count in MCLKs
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
123 uint32_t cycles;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
124 uint8_t *vdpmem;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
125 //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
126 uint8_t *linebuf;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
127 //stores 12-bit color + shadow/highlight bits
426
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering
Mike Pavone <pavone@retrodev.com>
parents: 424
diff changeset
128 void *framebuf;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering
Mike Pavone <pavone@retrodev.com>
parents: 424
diff changeset
129 void *oddbuf;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering
Mike Pavone <pavone@retrodev.com>
parents: 424
diff changeset
130 void *evenbuf;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
131 uint16_t cram[CRAM_SIZE];
426
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering
Mike Pavone <pavone@retrodev.com>
parents: 424
diff changeset
132 uint32_t colors[CRAM_SIZE*3];
437
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
133 uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
134 uint16_t vsram[VSRAM_SIZE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
135 uint8_t latched_mode;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
136 uint16_t hscroll_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
137 uint16_t hscroll_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
138 uint8_t sprite_index;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
139 uint8_t sprite_draws;
21
72ce60cb1711 Sprites somewhat less broken
Mike Pavone <pavone@retrodev.com>
parents: 20
diff changeset
140 int8_t slot_counter;
72ce60cb1711 Sprites somewhat less broken
Mike Pavone <pavone@retrodev.com>
parents: 20
diff changeset
141 int8_t cur_slot;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
142 sprite_draw sprite_draw_list[MAX_DRAWS];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
143 sprite_info sprite_info_list[MAX_SPRITES_LINE];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
144 uint16_t col_1;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
145 uint16_t col_2;
75
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
146 uint16_t dma_val;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
147 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
148 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
149 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
150 uint8_t flags2;
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 337
diff changeset
151 uint8_t double_res;
426
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering
Mike Pavone <pavone@retrodev.com>
parents: 424
diff changeset
152 uint8_t b32;
436
e341fd5aa996 Implement the scroll ring buffer properly without memcpy
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
153 uint8_t buf_a_off;
e341fd5aa996 Implement the scroll ring buffer properly without memcpy
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
154 uint8_t buf_b_off;
437
afbea09d7fb4 Restore one of the VDP debugging modes
Mike Pavone <pavone@retrodev.com>
parents: 436
diff changeset
155 uint8_t debug;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
156 uint8_t *tmp_buf_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
157 uint8_t *tmp_buf_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
158 } vdp_context;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
159
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
160 void init_vdp_context(vdp_context * context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
161 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
162 //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
163 uint32_t vdp_run_to_vblank(vdp_context * context);
75
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
164 //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
165 void vdp_run_dma_done(vdp_context * context, uint32_t target_cycles);
424
7e8e179116af Add support for loading GST format savestates
Mike Pavone <pavone@retrodev.com>
parents: 413
diff changeset
166 uint8_t vdp_load_gst(vdp_context * context, FILE * state_file);
56
a28b1dfe1af2 Fix CRAM and possibly VSRAM writes
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
167 void vdp_save_state(vdp_context * context, FILE * outfile);
75
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 65
diff changeset
168 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
169 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
170 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
171 uint16_t vdp_data_port_read(vdp_context * context);
137
0e7e1ccc0a81 Implemented HV counter
Mike Pavone <pavone@retrodev.com>
parents: 131
diff changeset
172 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
173 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
174 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
175 uint32_t vdp_next_vint(vdp_context * context);
333
f16136a3835d Update Z80 vint timing
Mike Pavone <pavone@retrodev.com>
parents: 327
diff changeset
176 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
177 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
178 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
179 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
180
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
181 #endif //VDP_H_