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Implement osViGetCurrentLine and osViGetCurrentField

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This commit is contained in:
dcvz 2024-06-19 10:51:08 +02:00
parent e94dc4055b
commit 8719abe217
3 changed files with 20 additions and 0 deletions
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8
librecomp/src/vi.cpp
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@ -22,6 +22,14 @@ extern "C" void osViRepeatLine_recomp(uint8_t* rdram, recomp_context* ctx) {
osViRepeatLine(_arg<0, u8>(rdram, ctx));
}
extern "C" void osViGetCurrentLine_recomp(uint8_t* rdram, recomp_context* ctx) {
ctx->r2 = (gpr)osViGetCurrentLine();
}
extern "C" void osViGetCurrentField_recomp(uint8_t* rdram, recomp_context* ctx) {
ctx->r2 = (gpr)osViGetCurrentField();
}
extern "C" void osViSetSpecialFeatures_recomp(uint8_t* rdram, recomp_context* ctx) {
osViSetSpecialFeatures((uint32_t)ctx->r4);
}

4
ultramodern/include/ultramodern/ultra64.h
View file

@ -44,6 +44,8 @@ typedef uint8_t u8;
# ifdef __cplusplus
# define NULLPTR (PTR(void))0
# endif
# define PHYS_TO_K1(x) ((x)|0xA0000000)
# define IO_READ(addr) (*(volatile uint32_t*)PHYS_TO_K1(addr))
#endif
#ifndef NULL
@ -285,6 +287,8 @@ void osViSetMode(RDRAM_ARG PTR(OSViMode));
void osViSetSpecialFeatures(uint32_t func);
void osViBlack(uint8_t active);
void osViRepeatLine(uint8_t active);
u32 osViGetCurrentLine();
u32 osViGetCurrentField();
void osViSetXScale(float scale);
void osViSetYScale(float scale);
PTR(void) osViGetNextFramebuffer();

8
ultramodern/src/events.cpp
View file

@ -480,6 +480,14 @@ extern "C" void osViRepeatLine(uint8_t active) {
}
}
extern "C" u32 osViGetCurrentLine() {
return IO_READ(VI_V_CURRENT_LINE_REG);
}
extern "C" u32 osViGetCurrentField() {
return IO_READ(VI_V_CURRENT_LINE_REG) & 1;
}
extern "C" void osViSetXScale(float scale) {
if (scale != 1.0f) {
assert(false);