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Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/tests/isvesa.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/tests/isvesa.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/tests/isvesa.c b/board/MAI/bios_emulator/scitech/src/pm/tests/isvesa.c deleted file mode 100644 index 67ad2456e8..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/tests/isvesa.c +++ /dev/null @@ -1,110 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: any -* -* Description: Test program to check the ability to allocate real mode -* memory and to call real mode interrupt handlers such as -* the VESA VBE BIOS from protected mode. Compile and link -* with the appropriate command line for your DOS extender. -* -* Functions tested: PM_getVESABuf() -* PM_mapRealPointer() -* PM_int86x() -* -****************************************************************************/ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "pmapi.h" - -/* SuperVGA information block */ - -#pragma pack(1) - -typedef struct { - char VESASignature[4]; /* 'VESA' 4 byte signature */ - short VESAVersion; /* VBE version number */ - ulong OEMStringPtr; /* Far pointer to OEM string */ - ulong Capabilities; /* Capabilities of video card */ - ulong VideoModePtr; /* Far pointer to supported modes */ - short TotalMemory; /* Number of 64kb memory blocks */ - char reserved[236]; /* Pad to 256 byte block size */ - } VgaInfoBlock; - -#pragma pack() - -int main(void) -{ - RMREGS regs; - RMSREGS sregs; - VgaInfoBlock vgaInfo; - ushort *mode; - uint vgLen; - uchar *vgPtr; - unsigned r_vgseg,r_vgoff; - - printf("Program running in "); - switch (PM_getModeType()) { - case PM_realMode: - printf("real mode.\n\n"); - break; - case PM_286: - printf("16 bit protected mode.\n\n"); - break; - case PM_386: - printf("32 bit protected mode.\n\n"); - break; - } - - /* Allocate a 256 byte block of real memory for communicating with - * the VESA BIOS. - */ - if ((vgPtr = PM_getVESABuf(&vgLen,&r_vgseg,&r_vgoff)) == NULL) { - printf("Unable to allocate VESA memory buffer!\n"); - exit(1); - } - - /* Call the VESA VBE to see if it is out there */ - regs.x.ax = 0x4F00; - regs.x.di = r_vgoff; - sregs.es = r_vgseg; - memcpy(vgPtr,"VBE2",4); - PM_int86x(0x10, ®s, ®s, &sregs); - memcpy(&vgaInfo,vgPtr,sizeof(VgaInfoBlock)); - if (regs.x.ax == 0x4F && strncmp(vgaInfo.VESASignature,"VESA",4) == 0) { - printf("VESA VBE version %d.%d BIOS detected\n\n", - vgaInfo.VESAVersion >> 8, vgaInfo.VESAVersion & 0xF); - printf("Available video modes:\n"); - mode = PM_mapRealPointer(vgaInfo.VideoModePtr >> 16, vgaInfo.VideoModePtr & 0xFFFF); - while (*mode != 0xFFFF) { - printf(" %04hXh (%08X)\n", *mode, (int)mode); - mode++; - } - } - else - printf("VESA VBE not found\n"); - return 0; -} |
