diff options
Diffstat (limited to 'vgasrc/vbe.c')
| -rw-r--r-- | vgasrc/vbe.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/vgasrc/vbe.c b/vgasrc/vbe.c index f7e2203a..12bd9812 100644 --- a/vgasrc/vbe.c +++ b/vgasrc/vbe.c @@ -228,29 +228,14 @@ vbe_104f04(struct bregs *regs) u16 seg = regs->es; void *data = (void*)(regs->bx+0); u16 states = regs->cx; - if (states & ~0x0f) + u8 cmd = regs->dl; + if (states & ~0x0f || cmd > 2) goto fail; - int ret; - switch (regs->dl) { - case 0x00: - ret = vgahw_size_state(states); - if (ret < 0) - goto fail; - regs->bx = ret / 64; - break; - case 0x01: - ret = vgahw_save_state(seg, data, states); - if (ret) - goto fail; - break; - case 0x02: - ret = vgahw_restore_state(seg, data, states); - if (ret) - goto fail; - break; - default: + int ret = vgahw_save_restore(states | (cmd<<8), seg, data); + if (ret < 0) goto fail; - } + if (cmd == 0) + regs->bx = ret / 64; regs->ax = 0x004f; return; fail: |