diff options
Diffstat (limited to 'hw')
-rw-r--r-- | hw/vga.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -494,6 +494,8 @@ static uint32_t vga_mem_readb(uint32_t addr) default: case 3: addr -= 0xb8000; + if (addr >= 0x8000) + return 0xff; break; } @@ -570,6 +572,8 @@ void vga_mem_writeb(uint32_t addr, uint32_t val) default: case 3: addr -= 0xb8000; + if (addr >= 0x8000) + return; break; } |