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Force the correct vga clock for clocks 0 and 1 used in vga

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2124
This commit is contained in:
Sjoerd van der Berg 2005-03-02 10:59:22 +00:00
parent ca59d955d9
commit 25e705f683
1 changed files with 6 additions and 1 deletions
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7
src/hardware/vga_draw.cpp
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@ -349,7 +349,12 @@ void VGA_SetupDrawing(Bitu val) {
if (vbstart<vdispend) vdispend=vbstart;
clock=(vga.misc_output >> 2) & 3;
clock=1000*S3_CLOCK(vga.s3.clk[clock].m,vga.s3.clk[clock].n,vga.s3.clk[clock].r);
if (clock == 0)
clock = 25175000;
else if (clock == 1)
clock = 28322000;
else
clock=1000*S3_CLOCK(vga.s3.clk[clock].m,vga.s3.clk[clock].n,vga.s3.clk[clock].r);
/* Check for 8 for 9 character clock mode */
if (vga.seq.clocking_mode & 1 ) clock/=8; else clock/=9;
/* Check for pixel doubling, master clock/2 */