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update sh2 and vdp1

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This commit is contained in:
Zack Buhman 2025-05-13 19:44:57 -05:00
parent 44b7d6c543
commit 66826a6bb2
2 changed files with 16 additions and 2 deletions
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12
sh2.h
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@ -193,3 +193,15 @@ enum tocr_bits {
// enum vcrd_bits {
#define VCRD__FOVV(n) (n << 8)
// };
enum ccr_bits {
CCR__W__WAY0 = (0b00 << 6),
CCR__W__WAY1 = (0b01 << 6),
CCR__W__WAY2 = (0b10 << 6),
CCR__W__WAY3 = (0b11 << 6),
CCR__CP__CACHE_PURGE = (0b1 << 4),
CCR__TW__TWO_WAY_MODE = (0b1 << 3),
CCR__OD__DATA_REPLACEMENT_DISABLE = (0b1 << 2),
CCR__ID__INSTRUCTION_REPLACEMENT_DISABLE = (0b1 << 1),
CCR__CE__CACHE_ENABLE = (0b1 << 0),
};

6
vdp1.h
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@ -35,7 +35,7 @@ typedef struct vdp1_cmd {
};
cmd_point point[4];
};
u16 GDRA;
u16 GRDA;
u16 _dummy;
} vdp1_cmd;
@ -99,7 +99,9 @@ enum pmod_bit {
#define PMOD__COLOR_MODE__COLOR_BANK_256 (0b100 << 3)
#define PMOD__COLOR_MODE__RGB (0b101 << 3)
#define PMOD__COLOR_CALCULATION ( << 0)
#define PMOD__COLOR_CALCULATION__GOURAUD_SHADING (0b100 << 0)
#define PMOD__COLOR_CALCULATION__HALF_ORIGINAL_GRAPHIC (0b010 << 0)
#define PMOD__COLOR_CALCULATION__HALF_BACKGROUND (0b001 << 0)
};
// see "Pixel Data in Frame Buffer" in VDP1 manual