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-rw-r--r--ops.yaml55
1 files changed, 50 insertions, 5 deletions
diff --git a/ops.yaml b/ops.yaml
index d11350e..5311d96 100644
--- a/ops.yaml
+++ b/ops.yaml
@@ -8828,8 +8828,9 @@ templates:
}
}
+ #if 0
static uint8_t
- vram_rb(
+ old_vram_rb(
const gb_t * const ctx,
const uint16_t addr
) {
@@ -8843,7 +8844,7 @@ templates:
}
static uint8_t
- oam_rb(
+ old_oam_rb(
const gb_t * const ctx,
const uint16_t addr
) {
@@ -8857,6 +8858,25 @@ templates:
return 0;
}
}
+ #endif /* 0 */
+
+ static uint8_t
+ vram_rb(
+ const gb_t * const ctx,
+ const uint16_t addr
+ ) {
+ // return vram (8k)
+ return ctx->mmu.vram[addr & 0x1FFF];
+ }
+
+ static uint8_t
+ oam_rb(
+ const gb_t * const ctx,
+ const uint16_t addr
+ ) {
+ // oam memory (160 bytes):
+ return ctx->mmu.oam[addr - 0xFE00];
+ }
static uint8_t
ram_rb(
@@ -8962,13 +8982,14 @@ templates:
}
}
+ #if 0
static void
- vram_wb(
+ old_vram_wb(
gb_t * const ctx,
const uint16_t addr,
const uint8_t val
) {
- // NOTE: gpu_get_mode() returns VBLANK if lcd is inactive
+ // // NOTE: gpu_get_mode() returns VBLANK if lcd is inactive
switch (gpu_get_mode(ctx)) {
case GPU_MODE_VRAM:
// do nothing
@@ -8981,7 +9002,7 @@ templates:
}
static void
- oam_wb(
+ old_oam_wb(
gb_t * const ctx,
const uint16_t addr,
const uint8_t val
@@ -9002,6 +9023,30 @@ templates:
break;
}
}
+ #endif /* 0 */
+
+ static void
+ vram_wb(
+ gb_t * const ctx,
+ const uint16_t addr,
+ const uint8_t val
+ ) {
+ // write to vram (8k)
+ ctx->mmu.vram[addr & 0x1FFF] = val;
+ }
+
+ static void
+ oam_wb(
+ gb_t * const ctx,
+ const uint16_t addr,
+ const uint8_t val
+ ) {
+ // oam memory (160 bytes):
+ ctx->mmu.oam[addr - 0xFE00] = val;
+
+ // invalidate oam cache
+ ctx->gpu.oam_dirty = true;
+ }
static void
ram_wb(