diff options
Diffstat (limited to 'src/ppusim')
| -rw-r--r-- | src/ppusim/mem.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/ppusim/mem.c b/src/ppusim/mem.c index bd8606e..f536727 100644 --- a/src/ppusim/mem.c +++ b/src/ppusim/mem.c @@ -6,8 +6,14 @@ hh_ppu_data_t *g_hh_ppusim_vram = NULL; -void hh_ppu_vram_dwrite(hh_ppu_addr_t addr, hh_ppu_data_t data) { - if (!hh_ppu_vram_valid_address(addr)) return; - // printf("ppu[0x%04x] = %04x\n", addr, data); - g_hh_ppusim_vram[addr] = data; +void hh_ppu_vram_dwrite(uint8_t* data, size_t size) { + for (size_t i = 0; i < size; i += 4) { + if (i+4 > size) break; + hh_ppu_addr_t ppu_addr = (data[i+0] << 8) | (data[i+1] << 0); + hh_ppu_data_t ppu_data = (data[i+2] << 8) | (data[i+3] << 0); + // printf("%04x: %04x\n", ppu_addr, ppu_data); + if (!hh_ppu_vram_valid_address(ppu_addr)) continue; + g_hh_ppusim_vram[ppu_addr] = ppu_data; + } } + |