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BIOS fixes

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This commit is contained in:
Stanislav Shwartsman 2011-08-15 06:05:52 +00:00
parent e50e187128
commit 7feb947830
2 changed files with 32 additions and 9 deletions
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2
bochs/CHANGES
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@ -105,6 +105,7 @@ Bochs repository moved to the SVN version control !
- win32paramdlg: dialog size now adjusted to support larger label text
- SF patches applied
[3370604] Ctrl-Break support for the bochs BIOS by Nikolay Nikolov
[3302668] VMX preemption timer by Jianan Hao
[3327510] Fix wrong address translation in debugger by Jianan Hao
[3323758] Ctrl-Break support for the Win32 gui by Nikolay Nikolov
@ -120,6 +121,7 @@ Bochs repository moved to the SVN version control !
[3190995] add eth backend based on Slirp by Heikki Lindholm
- these S.F. bugs were closed/fixed
[3062054] Problems with BIOS pointing device services (int 15h)
[3277639] incompatible colours in palette
[1788739] Abort on large memory setting
[3012207] Int 13h FN 48h incorrect return values

39
bochs/bios/rombios.c
View File

@ -4257,7 +4257,7 @@ BX_DEBUG_INT15("case 1 or 5:\n");
return;
}
mouse_flags_2 = read_byte(ebda_seg, &EbdaData->mouse_flag2);
mouse_flags_2 = (mouse_flags_2 & 0x00) | regs.u.r8.bh;
mouse_flags_2 = (mouse_flags_2 & 0xF8) | regs.u.r8.bh;
mouse_flags_1 = 0x00;
write_byte(ebda_seg, &EbdaData->mouse_flag1, mouse_flags_1);
write_byte(ebda_seg, &EbdaData->mouse_flag2, mouse_flags_2);
@ -5110,16 +5110,37 @@ int09_function(DI, SI, BP, SP, BX, DX, CX, AX)
}
break;
case 0x46: /* Scroll Lock press */
mf2_flags |= 0x10;
write_byte(0x0040, 0x18, mf2_flags);
shift_flags ^= 0x10;
write_byte(0x0040, 0x17, shift_flags);
case 0x46: /* Scroll Lock or Ctrl-Break press */
if ((mf2_state & 0x02) || (!(mf2_state & 0x10) && (shift_flags & 0x04))) {
/* Ctrl-Break press */
mf2_state &= ~0x02;
write_byte(0x0040, 0x96, mf2_state);
write_byte(0x0040, 0x71, 0x80);
write_word(0x0040, 0x001C, read_word(0x0040, 0x001A));
ASM_START
int #0x1B
ASM_END
enqueue_key(0, 0);
} else {
/* Scroll Lock press */
mf2_flags |= 0x10;
write_byte(0x0040, 0x18, mf2_flags);
shift_flags ^= 0x10;
write_byte(0x0040, 0x17, shift_flags);
}
break;
case 0xc6: /* Scroll Lock release */
mf2_flags &= ~0x10;
write_byte(0x0040, 0x18, mf2_flags);
case 0xc6: /* Scroll Lock or Ctrl-Break release */
if ((mf2_state & 0x02) || (!(mf2_state & 0x10) && (shift_flags & 0x04))) {
/* Ctrl-Break release */
/* nothing to do */
} else {
/* Scroll Lock release */
mf2_flags &= ~0x10;
write_byte(0x0040, 0x18, mf2_flags);
}
break;
default: