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[nostalgia/core/gba] Fix event cycle and add to setter for event handler

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This commit is contained in:
Gary Talent
2020-07-17 01:36:51 -05:00
parent a58467f327
commit dc0667ade4
12 changed files with 111 additions and 36 deletions
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src/nostalgia/core/gba/gfx.cpp
+11 -4
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@@ -225,11 +225,18 @@ void setSprite(unsigned idx, unsigned x, unsigned y, unsigned tileIdx) {
oa.idx = idx;
// block until g_spriteUpdates is less than buffer len
if (g_spriteUpdates >= config::GbaSpriteBufferLen) {
nostalgia_core_vblankwfi();
nostalgia_core_vblankintrwait();
}
if constexpr(config::GbaEventLoopTimerBased) {
REG_IE &= ~Int_vblank; // disable vblank interrupt handler
g_spriteBuffer[g_spriteUpdates++] = oa;
REG_IE |= Int_vblank; // enable vblank interrupt handler
} else {
auto ie = REG_IE; // disable vblank interrupt handler
REG_IE &= ~Int_vblank; // disable vblank interrupt handler
g_spriteBuffer[g_spriteUpdates++] = oa;
REG_IE = ie; // enable vblank interrupt handler
}
REG_IE &= ~Int_vblank; // disable vblank interrupt handler
g_spriteBuffer[g_spriteUpdates++] = oa;
REG_IE |= Int_vblank; // enable vblank interrupt handler
}
}