Commit c92b2e845f0669c71081f0f637191d553f9f3499
1 parent
68e73e39
vga memory address fix
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@591 c046a42c-6fe2-441c-8c8c-71466251a162
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hw/vga.c
| @@ -494,6 +494,8 @@ static uint32_t vga_mem_readb(uint32_t addr) | @@ -494,6 +494,8 @@ static uint32_t vga_mem_readb(uint32_t addr) | ||
| 494 | default: | 494 | default: |
| 495 | case 3: | 495 | case 3: |
| 496 | addr -= 0xb8000; | 496 | addr -= 0xb8000; |
| 497 | + if (addr >= 0x8000) | ||
| 498 | + return 0xff; | ||
| 497 | break; | 499 | break; |
| 498 | } | 500 | } |
| 499 | 501 | ||
| @@ -570,6 +572,8 @@ void vga_mem_writeb(uint32_t addr, uint32_t val) | @@ -570,6 +572,8 @@ void vga_mem_writeb(uint32_t addr, uint32_t val) | ||
| 570 | default: | 572 | default: |
| 571 | case 3: | 573 | case 3: |
| 572 | addr -= 0xb8000; | 574 | addr -= 0xb8000; |
| 575 | + if (addr >= 0x8000) | ||
| 576 | + return; | ||
| 573 | break; | 577 | break; |
| 574 | } | 578 | } |
| 575 | 579 |