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Implement waiting for retrace in VBE functions. Remove range checks in protected mode functions, consistent with UniVBE and other VBE implementations. Fixes hang and graphics glitches in Jack Orlando.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4048
This commit is contained in:
ripsaw8080 2017-09-10 11:29:34 +00:00
parent 5c0b03c10c
commit 4aa821d0e6
5 changed files with 91 additions and 34 deletions
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21
src/ints/int10.cpp
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@ -592,10 +592,10 @@ graphics_chars:
break;
case 0x07:
switch (reg_bl) {
case 0x80: /* Set Display Start during retrace ?? */
case 0x80: /* Set Display Start during retrace */
case 0x00: /* Set display Start */
reg_al=0x4f;
reg_ah=VESA_SetDisplayStart(reg_cx,reg_dx);
reg_ah=VESA_SetDisplayStart(reg_cx,reg_dx,reg_bl==0x80);
break;
case 0x01:
reg_al=0x4f;
@ -611,9 +611,8 @@ graphics_chars:
case 0x09:
switch (reg_bl) {
case 0x80: /* Set Palette during retrace */
//TODO
case 0x00: /* Set Palette */
reg_ah=VESA_SetPalette(SegPhys(es)+reg_di,reg_dx,reg_cx);
reg_ah=VESA_SetPalette(SegPhys(es)+reg_di,reg_dx,reg_cx,reg_bl==0x80);
reg_al=0x4f;
break;
case 0x01: /* Get Palette */
@ -633,27 +632,27 @@ graphics_chars:
}
switch (reg_bl) {
case 0x00:
reg_edi=RealOff(int10.rom.pmode_interface);
SegSet16(es,RealSeg(int10.rom.pmode_interface));
reg_di=RealOff(int10.rom.pmode_interface);
reg_cx=int10.rom.pmode_interface_size;
reg_ax=0x004f;
break;
case 0x01: /* Get code for "set window" */
reg_edi=RealOff(int10.rom.pmode_interface)+int10.rom.pmode_interface_window;
SegSet16(es,RealSeg(int10.rom.pmode_interface));
reg_cx=0x10; //0x10 should be enough for the callbacks
reg_di=RealOff(int10.rom.pmode_interface)+int10.rom.pmode_interface_window;
reg_cx=int10.rom.pmode_interface_start-int10.rom.pmode_interface_window;
reg_ax=0x004f;
break;
case 0x02: /* Get code for "set display start" */
reg_edi=RealOff(int10.rom.pmode_interface)+int10.rom.pmode_interface_start;
SegSet16(es,RealSeg(int10.rom.pmode_interface));
reg_cx=0x10; //0x10 should be enough for the callbacks
reg_di=RealOff(int10.rom.pmode_interface)+int10.rom.pmode_interface_start;
reg_cx=int10.rom.pmode_interface_palette-int10.rom.pmode_interface_start;
reg_ax=0x004f;
break;
case 0x03: /* Get code for "set palette" */
reg_edi=RealOff(int10.rom.pmode_interface)+int10.rom.pmode_interface_palette;
SegSet16(es,RealSeg(int10.rom.pmode_interface));
reg_cx=0x10; //0x10 should be enough for the callbacks
reg_di=RealOff(int10.rom.pmode_interface)+int10.rom.pmode_interface_palette;
reg_cx=int10.rom.pmode_interface_size-int10.rom.pmode_interface_palette;
reg_ax=0x004f;
break;
default: