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https://github.com/wwarthen/RomWBW.git
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104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
/* remote.c 11/20/2012 dwg - */
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/* Ther purpose of this program is to read the VRAM of the
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TMS9918 video processor and display the contents in the
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most usable form. First is the raw hexadecimal dump of
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the first 16K of the VRAM, followed by a hexadecimal
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dump of the name table by line number, and finally the
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charactert generator bitmaps in ASCII order.
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*/
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#include "portab.h"
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#include "globals.h"
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#include "stdio.h"
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#include "stdlib.h"
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#include "memory.h"
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#include "applvers.h"
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#include "n8chars.h"
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#include "tms9918.h"
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#include "std.h"
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#include "ctermcap.h"
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#include "cpmbdos.h"
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#include "bdoscall.h"
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#include "hbios.h"
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#include "asmiface.h"
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#include "diagnose.h"
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#include "cnfgdata.h"
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#include "syscfg.h"
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#include "cpmbind.h"
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#include "infolist.h"
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#include "metadata.h"
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#include "clogical.h"
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#define HIGHSEG 0x0C000 /* memory address of system config */
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#define GETSYSCFG 0x0F000 /* HBIOS function for Get System Configuration */
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char szTemp[128];
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char linenum;
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char counter;
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char outer;
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char inner;
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char limit;
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int index;
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unsigned int line;
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unsigned char ubyte;
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unsigned char bitmask;
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int row;
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int bit;
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int ascii;
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int bool;
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struct CNFGDATA * pCNFGDATA;
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struct SYSCFG * pSYSCFG;
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FILE * fd;
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int main(argc,argv)
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int argc;
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char *argv[];
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{
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char column;
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hregbc = GETSYSCFG; /* function = Get System Config */
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hregde = HIGHSEG; /* addr of dest (must be high) */
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diagnose(); /* invoke the NBIOS function */
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pSYSCFG = HIGHSEG;
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crtinit(pSYSCFG->cnfgdata.termtype);
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crtclr();
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vdp_wrvram(0);
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in(DATAP);
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in(DATAP);
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for(line=0;line<24;line++) {
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crtlc(line+1,0);
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printf("line %2d |",line+1);
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for(column=0;column<40;column++) {
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ubyte = in(DATAP);
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switch(ubyte) {
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case 0x0d: ubyte = 0; break;
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case 0x0a: ubyte = 0; break;
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case 0x09: ubyte = 0; break;
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case 0x00: ubyte = 0x20; break;
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}
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if(0 != ubyte ) printf("%c",ubyte);
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}
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crtlc(line+1,50);
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printf("|");
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if(line==0) printf(" remote.com 11/21/2012 dwg");
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if(line==1) printf(" display tms9918 screen");
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if(line==4) printf(" Note: semi-graphics not");
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if(line==5) printf(" supported.");
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}
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printf(" (press enter to exit)");
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dregbc=1;
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bdoscall();
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}
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