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INT10 EGA: Implement font intensity/blinking switch, fix font height calculation, screen parameters - makes Norton Commander work with machine=ega.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3619
This commit is contained in:
Ralf Grillenberger 2010-07-09 20:56:32 +00:00
parent f30cf339c3
commit 47281bd3e5
3 changed files with 51 additions and 28 deletions
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12
src/ints/int10.cpp
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@ -138,8 +138,7 @@ static Bitu INT10_Handler(void) {
reg_ah=(Bit8u)real_readw(BIOSMEM_SEG,BIOSMEM_NB_COLS);
break;
case 0x10: /* Palette functions */
if ((machine==MCH_CGA) || ((!IS_VGA_ARCH) && (reg_al>0x02))) break;
//TODO: subfunction 0x03 for ega
if ((machine==MCH_CGA) || ((!IS_VGA_ARCH) && (reg_al>0x03))) break;
switch (reg_al) {
case 0x00: /* SET SINGLE PALETTE REGISTER */
INT10_SetSinglePaletteRegister(reg_bl,reg_bh);
@ -302,13 +301,8 @@ graphics_chars:
break;
}
if ((reg_bh<=7) || (svgaCard==SVGA_TsengET4K)) {
if (machine==MCH_EGA) {
reg_cx=0x0e;
reg_dl=0x18;
} else {
reg_cx=real_readw(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
reg_dl=real_readb(BIOSMEM_SEG,BIOSMEM_NB_ROWS);
}
reg_cx=real_readw(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
reg_dl=real_readb(BIOSMEM_SEG,BIOSMEM_NB_ROWS);
}
break;
default: