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changes for different machine types

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1359
This commit is contained in:
Sjoerd van der Berg 2003-10-22 14:45:54 +00:00
parent 4065547365
commit 97e1c2dc42
1 changed files with 32 additions and 10 deletions
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42
src/ints/int10.cpp
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@ -25,7 +25,9 @@
#include "video.h"
#include "inout.h"
#include "int10.h"
#include "../hardware/vga.h" /* Maybe move this thing */
#include "setup.h"
#include "support.h"
#include "vga.h"
Int10Data int10;
static Bitu call_10;
@ -70,7 +72,7 @@ static Bitu INT10_Handler(void) {
reg_ah=0;
break;
case 0x05: /* Set Active Page */
if (reg_al & 0x80) LOG(LOG_INT10,LOG_NORMAL)("Func %x",reg_al);
if (reg_al & 0x80) LOG(LOG_INT10,LOG_NORMAL)("Tandy set CRT/CPU Page Func %x",reg_al);
else INT10_SetActivePage(reg_al);
break;
case 0x06: /* Scroll Up */
@ -105,7 +107,7 @@ static Bitu INT10_Handler(void) {
INT10_GetPixel(reg_cx,reg_dx,reg_bh,&reg_al);
break;
case 0x0E: /* Teletype OutPut */
INT10_TeletypeOutput(reg_al,reg_bl,false);
INT10_TeletypeOutput(reg_al,reg_bl);
break;
case 0x0F: /* Get videomode */
reg_bh=real_readb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE);
@ -255,6 +257,7 @@ graphics_chars:
}
break;
case 0x12: /* alternate function select */
if (machine<MCH_VGA) break;
switch (reg_bl) {
case 0x10: /* Get EGA Information */
{
@ -279,6 +282,7 @@ graphics_chars:
INT10_WriteString(reg_dh,reg_dl,reg_al,reg_bl,SegPhys(es)+reg_bp,reg_cx,reg_bh);
break;
case 0x1A: /* Display Combination */
if (machine<MCH_VGA) break;
if (reg_al==0) {
reg_bx=real_readb(BIOSMEM_SEG,BIOSMEM_DCC_INDEX);
reg_al=0x1A;
@ -291,6 +295,7 @@ graphics_chars:
}
break;
case 0x1B: /* functionality State Information */
if (machine<MCH_VGA) break;
switch (reg_bx) {
case 0x0000:
INT10_GetFuncStateInformation(SegPhys(es)+reg_di);
@ -301,6 +306,7 @@ graphics_chars:
}
break;
case 0x1C: /* Video Save Area */
if (machine<MCH_VGA) break;
if (reg_al==0) reg_bx = 0;
reg_al = 0x1C;
break;
@ -386,15 +392,12 @@ graphics_chars:
break;
default:
LOG(LOG_INT10,LOG_ERROR)("Function %2X not supported",reg_ah);
reg_al=0x00; //Successfull
};
return CBRET_NONE;
}
static void INT10_Seg40Init(void) {
//This should fill the ega vga structures
// init detected hardware BIOS Area
real_writew(BIOSMEM_SEG,BIOSMEM_INITIAL_MODE,real_readw(BIOSMEM_SEG,BIOSMEM_INITIAL_MODE)&0xFFCF);
// Just for the first int10 find its children
// the default char height
real_writeb(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT,16);
// Clear the screen
@ -410,16 +413,35 @@ static void INT10_Seg40Init(void) {
static void INT10_InitVGA(void) {
/* switch to color mode and enable CPU access 480 lines */
IO_Write(0x3c2,0xc3);
/* More than 64k */
IO_Write(0x3c4,0x04);
IO_Write(0x3c5,0x02);
};
static void SetupTandyBios(void) {
static Bit8u TandyConfig[130]= {
0x21, 0x42, 0x49, 0x4f, 0x53, 0x20, 0x52, 0x4f, 0x4d, 0x20, 0x76, 0x65, 0x72,
0x73, 0x69, 0x6f, 0x6e, 0x20, 0x30, 0x32, 0x2e, 0x30, 0x30, 0x2e, 0x30, 0x30,
0x0d, 0x0a, 0x43, 0x6f, 0x6d, 0x70, 0x61, 0x74, 0x69, 0x62, 0x69, 0x6c, 0x69,
0x74, 0x79, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x0d, 0x0a,
0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x43, 0x29,
0x20, 0x31, 0x39, 0x38, 0x34, 0x2c, 0x31, 0x39, 0x38, 0x35, 0x2c, 0x31, 0x39,
0x38, 0x36, 0x2c, 0x31, 0x39, 0x38, 0x37, 0x0d, 0x0a, 0x50, 0x68, 0x6f, 0x65,
0x6e, 0x69, 0x78, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20,
0x41, 0x73, 0x73, 0x6f, 0x63, 0x69, 0x61, 0x74, 0x65, 0x73, 0x20, 0x4c, 0x74,
0x64, 0x2e, 0x0d, 0x0a, 0x61, 0x6e, 0x64, 0x20, 0x54, 0x61, 0x6e, 0x64, 0x79
};
Bitu i;
real_writeb(0xffff,0xe,0xff);
for(i=0;i<130;i++) {
phys_writeb(0xf0000+i+0xc000, TandyConfig[i]);
}
}
void INT10_Init(Section* sec) {
INT10_InitVGA();
if (machine==MCH_TANDY || machine==MCH_AUTO) SetupTandyBios();
/* Setup the INT 10 vector */
call_10=CALLBACK_Allocate();
CALLBACK_Setup(call_10,&INT10_Handler,CB_IRET);
@ -428,7 +450,7 @@ void INT10_Init(Section* sec) {
INT10_SetupRomMemory();
INT10_Seg40Init();
INT10_SetupVESA();
INT10_SetVideoMode(3);
INT10_SetVideoMode(machine==MCH_HERC ? 0x7 : 0x3);
};