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Pass off video registers to renderer

This commit is contained in:
Jeffrey Pfau 2013-04-21 12:39:33 -07:00
parent 573fcead5d
commit cdddcbf7aa
2 changed files with 90 additions and 82 deletions
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168
src/gba/gba-io.c
View File

@ -7,93 +7,97 @@ void GBAIOInit(struct GBA* gba) {
}
void GBAIOWrite(struct GBA* gba, uint32_t address, uint16_t value) {
switch (address) {
// Video
case REG_DISPSTAT:
GBAVideoWriteDISPSTAT(&gba->video, value);
break;
if (address < REG_SOUND1CNT_LO && address != REG_DISPSTAT) {
gba->video.renderer->writeVideoRegister(gba->video.renderer, address, value);
} else {
switch (address) {
// Video
case REG_DISPSTAT:
GBAVideoWriteDISPSTAT(&gba->video, value);
break;
// DMA
case REG_DMA0CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 0, value);
break;
case REG_DMA0CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 0, value);
break;
case REG_DMA1CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 1, value);
break;
case REG_DMA1CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 1, value);
break;
case REG_DMA2CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 2, value);
break;
case REG_DMA2CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 2, value);
break;
case REG_DMA3CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 3, value);
break;
case REG_DMA3CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 3, value);
break;
// DMA
case REG_DMA0CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 0, value);
break;
case REG_DMA0CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 0, value);
break;
case REG_DMA1CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 1, value);
break;
case REG_DMA1CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 1, value);
break;
case REG_DMA2CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 2, value);
break;
case REG_DMA2CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 2, value);
break;
case REG_DMA3CNT_LO:
GBAMemoryWriteDMACNT_LO(&gba->memory, 3, value);
break;
case REG_DMA3CNT_HI:
value = GBAMemoryWriteDMACNT_HI(&gba->memory, 3, value);
break;
// Timers
case REG_TM0CNT_LO:
GBATimerWriteTMCNT_LO(gba, 0, value);
return;
case REG_TM1CNT_LO:
GBATimerWriteTMCNT_LO(gba, 1, value);
return;
case REG_TM2CNT_LO:
GBATimerWriteTMCNT_LO(gba, 2, value);
return;
case REG_TM3CNT_LO:
GBATimerWriteTMCNT_LO(gba, 3, value);
return;
// Timers
case REG_TM0CNT_LO:
GBATimerWriteTMCNT_LO(gba, 0, value);
return;
case REG_TM1CNT_LO:
GBATimerWriteTMCNT_LO(gba, 1, value);
return;
case REG_TM2CNT_LO:
GBATimerWriteTMCNT_LO(gba, 2, value);
return;
case REG_TM3CNT_LO:
GBATimerWriteTMCNT_LO(gba, 3, value);
return;
case REG_TM0CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 0, value);
break;
case REG_TM1CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 1, value);
break;
case REG_TM2CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 2, value);
break;
case REG_TM3CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 3, value);
break;
case REG_TM0CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 0, value);
break;
case REG_TM1CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 1, value);
break;
case REG_TM2CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 2, value);
break;
case REG_TM3CNT_HI:
value &= 0x00C7;
GBATimerWriteTMCNT_HI(gba, 3, value);
break;
// Interrupts and misc
case REG_WAITCNT:
GBAAdjustWaitstates(&gba->memory, value);
break;
case REG_IE:
GBAWriteIE(gba, value);
break;
case REG_IF:
value = gba->memory.io[REG_IF >> 1] & ~value;
break;
case REG_IME:
GBAWriteIME(gba, value);
break;
case REG_HALTCNT:
value &= 0x80;
if (!value) {
GBAHalt(gba);
} else {
GBALog(GBA_LOG_STUB, "Stop unimplemented");
// Interrupts and misc
case REG_WAITCNT:
GBAAdjustWaitstates(&gba->memory, value);
break;
case REG_IE:
GBAWriteIE(gba, value);
break;
case REG_IF:
value = gba->memory.io[REG_IF >> 1] & ~value;
break;
case REG_IME:
GBAWriteIME(gba, value);
break;
case REG_HALTCNT:
value &= 0x80;
if (!value) {
GBAHalt(gba);
} else {
GBALog(GBA_LOG_STUB, "Stop unimplemented");
}
return;
default:
GBALog(GBA_LOG_STUB, "Stub I/O register write: %03x", address);
break;
}
return;
default:
GBALog(GBA_LOG_STUB, "Stub I/O register write: %03x", address);
break;
}
gba->memory.io[address >> 1] = value;
}

4
src/gba/renderers/video-software.c
View File

@ -36,6 +36,10 @@ static void GBAVideoSoftwareRendererDeinit(struct GBAVideoRenderer* renderer) {
static uint16_t GBAVideoSoftwareRendererWriteVideoRegister(struct GBAVideoRenderer* renderer, uint32_t address, uint16_t value) {
struct GBAVideoSoftwareRenderer* softwareRenderer = (struct GBAVideoSoftwareRenderer*) renderer;
switch (address) {
default:
GBALog(GBA_LOG_STUB, "Stub video register write: %03x", address);
}
return value;
}