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comparison cd_graphics.h @ 2069:8e51c0c3f2e3 segacd

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Initial attempt at implementing the Sega CD graphics hardware
author Michael Pavone <pavone@retrodev.com>
date Sun, 30 Jan 2022 19:55:33 -0800
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2068:f573f2c31bc9 2069:8e51c0c3f2e3
1 #ifndef CD_GRAPHICS_H_
2 #define CD_GRAPHICS_H_
3
4 #include "segacd.h"
5
6 enum {
7 GA_STAMP_SIZE = 0x58/2,
8 GA_STAMP_MAP_BASE,
9 GA_IMAGE_BUFFER_VCELLS,
10 GA_IMAGE_BUFFER_START,
11 GA_IMAGE_BUFFER_OFFSET,
12 GA_IMAGE_BUFFER_HDOTS,
13 GA_IMAGE_BUFFER_LINES,
14 GA_TRACE_VECTOR_BASE
15 };
16
17 //GA_STAMP_SIZE
18 #define BIT_GRON 0x8000
19 #define BIT_SMS 0x0004
20 #define BIT_STS 0x0002
21 #define BIT_RPT 0x0001
22
23 void cd_graphics_init(segacd_context *cd);
24 void cd_graphics_run(segacd_context *cd, uint32_t cycle);
25 void cd_graphics_start(segacd_context *cd);
26
27 #endif //CD_GRAPHICS_H_