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add PCJr-compatible keyboard layer;

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add support for PCJr cartridges


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2402
This commit is contained in:
Sebastian Strohhäcker 2005-12-04 21:17:29 +00:00
parent 6ede5e436f
commit 90d6d74f99
5 changed files with 91 additions and 46 deletions
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81
src/dos/dos_programs.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_programs.cpp,v 1.47 2005-11-28 16:12:30 qbix79 Exp $ */
/* $Id: dos_programs.cpp,v 1.48 2005-12-04 21:17:28 c2woody Exp $ */
#include <stdlib.h>
#include <string.h>
@ -440,49 +440,53 @@ public:
return;
}
WriteOut(MSG_Get("PROGRAM_BOOT_BOOT"), drive);
bootSector bootarea;
imageDiskList[drive-65]->Read_Sector(0,0,1,(Bit8u *)&bootarea);
for(i=0;i<512;i++) real_writeb(0, 0x7c00 + i, bootarea.rawdata[i]);
if ((bootarea.rawdata[0]==0x50) && (bootarea.rawdata[1]==0x43) && (bootarea.rawdata[2]==0x6a) && (bootarea.rawdata[3]==0x72)) {
if (machine!=MCH_PCJR) WriteOut(MSG_Get("PROGRAM_BOOT_CART_WO_PCJR"));
else {
Bit8u rombuf[65536];
fseek(usefile,0x200L, SEEK_SET);
fread(rombuf, 1, rombytesize-0x200, usefile);
fclose(usefile);
/* write cartridge data into ROM */
Bit16u romseg=0xe000;
if ((rombuf[7]==0x42) && (rombuf[8]==0x41) && (rombuf[9]==0x53) && (rombuf[10]==0x49)) {
/* BASIC rom, doesn't work though */
romseg=0xf600;
}
for(i=0;i<rombytesize;i++) phys_writeb((romseg<<4)+i,rombuf[i]);
SegSet16(cs, 0);
reg_ip = 0x7c00;
SegSet16(ds, 0);
SegSet16(ss, 0);//Buckrogers Booter
reg_esp = 0x400;
SegSet16(es, 0);
reg_esi = 0;
reg_ecx = 1;
reg_ebp = 0;
reg_eax = 0;
reg_edx = 0; //Head 0 drive 0
reg_ebx= 0x7c00; //Real code is probably uses bx to load the image
//DEBUG_EnableDebugger();
/* run cartridge setup */
SegSet16(ds,romseg);
SegSet16(es,romseg);
SegSet16(ss,0x8000);
reg_esp=0xfffe;
CALLBACK_RunRealFar(romseg,0x0003);
/* Most likely a PCJr ROM */
/* Write it to E000:0000 */
/* Code inoperable at the moment */
/* boot cartridge (int18) */
SegSet16(cs,mem_readw(0x62));
reg_ip = mem_readw(0x60);
}
} else {
WriteOut(MSG_Get("PROGRAM_BOOT_BOOT"), drive);
for(i=0;i<512;i++) real_writeb(0, 0x7c00 + i, bootarea.rawdata[i]);
/*
Bit8u rombuff[65536];
fseek(tmpfile,512L, SEEK_SET);
rombytesize-=512;
fread(rombuff, 1, rombytesize, tmpfile);
fclose(tmpfile);
for(i=0;i<rombytesize;i++) real_writeb(0xe000,i,rombuff[i]);
SegSet16(cs,0xe000);
SegSet16(ds,0x0060);
SegSet16(es,0x0060);
SegSet16(ss,0x0060);
reg_ip = 0x0;
reg_sp = 0x0;
reg_cx = 0xffff;
DEBUG_EnableDebugger();
*/
SegSet16(cs, 0);
reg_ip = 0x7c00;
SegSet16(ds, 0);
SegSet16(ss, 0);//Buckrogers Booter
reg_esp = 0x400;
SegSet16(es, 0);
reg_esi = 0;
reg_ecx = 1;
reg_ebp = 0;
reg_eax = 0;
reg_edx = 0; //Head 0 drive 0
reg_ebx= 0x7c00; //Real code probably uses bx to load the image
//DEBUG_EnableDebugger();
}
}
};
@ -959,6 +963,7 @@ void DOS_SetupPrograms(void) {
MSG_Add("PROGRAM_BOOT_IMAGE_OPEN","Opening image file: %s\n");
MSG_Add("PROGRAM_BOOT_IMAGE_NOT_OPEN","Cannot open %s");
MSG_Add("PROGRAM_BOOT_BOOT","Booting from drive %c...\n");
MSG_Add("PROGRAM_BOOT_CART_WO_PCJR","PCJr cartridge found, but machine is not PCJr");
MSG_Add("PROGRAM_IMGMOUNT_SPECIFY_DRIVE","Must specify drive letter to mount image at.\n");
MSG_Add("PROGRAM_IMGMOUNT_SPECIFY2","Must specify drive number (0 or 3) to mount image at (0,1=fda,fdb;2,3=hda,hdb).\n");