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monitor.c
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/*
* monitor.c - Implements a builtin system monitor for debugging
*
* Copyright (C) 1995-1998 David Firth
* Copyright (C) 1998-2005 Atari800 development team (see DOC/CREDITS)
*
* This file is part of the Atari800 emulator project which emulates
* the Atari 400, 800, 800XL, 130XE, and 5200 8-bit computers.
*
* Atari800 is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Atari800 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Atari800; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "antic.h"
#include "atari.h"
#include "cpu.h"
#include "gtia.h"
#include "memory.h"
#include "monitor.h"
#include "pia.h"
#include "pokey.h"
#include "util.h"
#ifdef STEREO_SOUND
#include "pokeysnd.h"
#endif
#ifdef MONITOR_READLINE
#include <readline/readline.h>
#include <readline/history.h>
#endif
#ifdef __PLUS
#include <stdarg.h>
#include "misc_win.h"
FILE *mon_output, *mon_input;
void monitor_printf(const char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(mon_output, format, args);
va_end(args);
}
#define printf monitor_printf
#define puts(s) fputs(s, mon_output)
#define putchar(c) fputc(c, mon_output)
#define perror(filename) printf("%s: %s\n", filename, strerror(errno))
#undef stdout
#define stdout mon_output
#undef stdin
#define stdin mon_input
#define PLUS_EXIT_MONITOR Misc_FreeMonitorConsole(mon_output, mon_input)
#else /* __PLUS */
#define PLUS_EXIT_MONITOR
#endif /* __PLUS */
#ifdef MONITOR_TRACE
FILE *MONITOR_trace_file = NULL;
#endif
#ifdef MONITOR_HINTS
typedef struct {
char *name;
UWORD addr;
} symtable_rec;
/* Symbol names taken from atari.equ - part of disassembler by Erich Bacher
and from antic.h, gtia.h, pia.h and pokey.h.
Symbols must be sorted by address. If the address has different names
when reading/writing to it, put the read name first. */
static const symtable_rec symtable_builtin[] = {
{"NGFLAG", 0x0001}, {"CASINI", 0x0002}, {"CASINI+1",0x0003}, {"RAMLO", 0x0004},
{"RAMLO+1", 0x0005}, {"TRAMSZ", 0x0006}, {"CMCMD", 0x0007}, {"WARMST", 0x0008},
{"BOOT", 0x0009}, {"DOSVEC", 0x000a}, {"DOSVEC+1",0x000b}, {"DOSINI", 0x000c},
{"DOSINI+1",0x000d}, {"APPMHI", 0x000e}, {"APPMHI+1",0x000f}, {"POKMSK", 0x0010},
{"BRKKEY", 0x0011}, {"RTCLOK", 0x0012}, {"RTCLOK+1",0x0013}, {"RTCLOK+2",0x0014},
{"BUFADR", 0x0015}, {"BUFADR+1",0x0016}, {"ICCOMT", 0x0017}, {"DSKFMS", 0x0018},
{"DSKFMS+1",0x0019}, {"DSKUTL", 0x001a}, {"DSKUTL+1",0x001b}, {"ABUFPT", 0x001c},
{"ABUFPT+1",0x001d}, {"ABUFPT+2",0x001e}, {"ABUFPT+3",0x001f},
{"ICHIDZ", 0x0020}, {"ICDNOZ", 0x0021}, {"ICCOMZ", 0x0022}, {"ICSTAZ", 0x0023},
{"ICBALZ", 0x0024}, {"ICBAHZ", 0x0025}, {"ICPTLZ", 0x0026}, {"ICPTHZ", 0x0027},
{"ICBLLZ", 0x0028}, {"ICBLHZ", 0x0029}, {"ICAX1Z", 0x002a}, {"ICAX2Z", 0x002b},
{"ICAX3Z", 0x002c}, {"ICAX4Z", 0x002d}, {"ICAX5Z", 0x002e}, {"ICAX6Z", 0x002f},
{"STATUS", 0x0030}, {"CHKSUM", 0x0031}, {"BUFRLO", 0x0032}, {"BUFRHI", 0x0033},
{"BFENLO", 0x0034}, {"BFENHI", 0x0035}, {"LTEMP", 0x0036}, {"LTEMP+1", 0x0037},
{"BUFRFL", 0x0038}, {"RECVDN", 0x0039}, {"XMTDON", 0x003a}, {"CHKSNT", 0x003b},
{"NOCKSM", 0x003c}, {"BPTR", 0x003d}, {"FTYPE", 0x003e}, {"FEOF", 0x003f},
{"FREQ", 0x0040}, {"SOUNDR", 0x0041}, {"CRITIC", 0x0042}, {"FMSZPG", 0x0043},
{"FMSZPG+1",0x0044}, {"FMSZPG+2",0x0045}, {"FMSZPG+3",0x0046}, {"FMSZPG+4",0x0047},
{"FMSZPG+5",0x0048}, {"FMSZPG+6",0x0049}, {"ZCHAIN", 0x004a}, {"ZCHAIN+1",0x004b},
{"DSTAT", 0x004c}, {"ATRACT", 0x004d}, {"DRKMSK", 0x004e}, {"COLRSH", 0x004f},
{"TEMP", 0x0050}, {"HOLD1", 0x0051}, {"LMARGN", 0x0052}, {"RMARGN", 0x0053},
{"ROWCRS", 0x0054}, {"COLCRS", 0x0055}, {"COLCRS+1",0x0056}, {"DINDEX", 0x0057},
{"SAVMSC", 0x0058}, {"SAVMSC+1",0x0059}, {"OLDROW", 0x005a}, {"OLDCOL", 0x005b},
{"OLDCOL+1",0x005c}, {"OLDCHR", 0x005d}, {"OLDADR", 0x005e}, {"OLDADR+1",0x005f},
{"FKDEF", 0x0060}, {"FKDEF+1", 0x0061}, {"PALNTS", 0x0062}, {"LOGCOL", 0x0063},
{"ADRESS", 0x0064}, {"ADRESS+1",0x0065}, {"MLTTMP", 0x0066}, {"MLTTMP+1",0x0067},
{"SAVADR", 0x0068}, {"SAVADR+1",0x0069}, {"RAMTOP", 0x006a}, {"BUFCNT", 0x006b},
{"BUFSTR", 0x006c}, {"BUFSTR+1",0x006d}, {"BITMSK", 0x006e}, {"SHFAMT", 0x006f},
{"ROWAC", 0x0070}, {"ROWAC+1", 0x0071}, {"COLAC", 0x0072}, {"COLAC+1", 0x0073},
{"ENDPT", 0x0074}, {"ENDPT+1", 0x0075}, {"DELTAR", 0x0076}, {"DELTAC", 0x0077},
{"DELTAC+1",0x0078}, {"KEYDEF", 0x0079}, {"KEYDEF+1",0x007a}, {"SWPFLG", 0x007b},
{"HOLDCH", 0x007c}, {"INSDAT", 0x007d}, {"COUNTR", 0x007e}, {"COUNTR+1",0x007f},
{"LOMEM", 0x0080}, {"LOMEM+1", 0x0081}, {"VNTP", 0x0082}, {"VNTP+1", 0x0083},
{"VNTD", 0x0084}, {"VNTD+1", 0x0085}, {"VVTP", 0x0086}, {"VVTP+1", 0x0087},
{"STMTAB", 0x0088}, {"STMTAB+1",0x0089}, {"STMCUR", 0x008a}, {"STMCUR+1",0x008b},
{"STARP", 0x008c}, {"STARP+1", 0x008d}, {"RUNSTK", 0x008e}, {"RUNSTK+1",0x008f},
{"TOPSTK", 0x0090}, {"TOPSTK+1",0x0091}, {"MEOLFLG", 0x0092}, {"POKADR", 0x0095},
{"POKADR+1",0x0096}, {"DATAD", 0x00b6}, {"DATALN", 0x00b7}, {"DATALN+1",0x00b8},
{"STOPLN", 0x00ba}, {"STOPLN+1",0x00bb}, {"SAVCUR", 0x00be}, {"IOCMD", 0x00c0},
{"IODVC", 0x00c1}, {"PROMPT", 0x00c2}, {"ERRSAVE", 0x00c3}, {"COLOR", 0x00c8},
{"PTABW", 0x00c9}, {"LOADFLG", 0x00ca}, {"FR0", 0x00d4}, {"FR0+1", 0x00d5},
{"FR0+2", 0x00d6}, {"FR0+3", 0x00d7}, {"FR0+4", 0x00d8}, {"FR0+5", 0x00d9},
{"FRE", 0x00da}, {"FRE+1", 0x00db}, {"FRE+2", 0x00dc}, {"FRE+3", 0x00dd},
{"FRE+4", 0x00de}, {"FRE+5", 0x00df}, {"FR1", 0x00e0}, {"FR1+1", 0x00e1},
{"FR1+2", 0x00e2}, {"FR1+3", 0x00e3}, {"FR1+4", 0x00e4}, {"FR1+5", 0x00e5},
{"FR2", 0x00e6}, {"FR2+1", 0x00e7}, {"FR2+2", 0x00e8}, {"FR2+3", 0x00e9},
{"FR2+4", 0x00ea}, {"FR2+5", 0x00eb}, {"FRX", 0x00ec}, {"EEXP", 0x00ed},
{"NSIGN", 0x00ee}, {"ESIGN", 0x00ef}, {"FCHRFLG", 0x00f0}, {"DIGRT", 0x00f1},
{"CIX", 0x00f2}, {"INBUFF", 0x00f3}, {"INBUFF+1",0x00f4}, {"ZTEMP1", 0x00f5},
{"ZTEMP1+1",0x00f6}, {"ZTEMP4", 0x00f7}, {"ZTEMP4+1",0x00f8}, {"ZTEMP3", 0x00f9},
{"ZTEMP3+1",0x00fa}, {"RADFLG", 0x00fb}, {"FLPTR", 0x00fc}, {"FLPTR+1", 0x00fd},
{"FPTR2", 0x00fe}, {"FPTR2+1", 0x00ff},
{"VDSLST", 0x0200}, {"VDSLST+1",0x0201}, {"VPRCED", 0x0202}, {"VPRCED+1",0x0203},
{"VINTER", 0x0204}, {"VINTER+1",0x0205}, {"VBREAK", 0x0206}, {"VBREAK+1",0x0207},
{"VKEYBD", 0x0208}, {"VKEYBD+1",0x0209}, {"VSERIN", 0x020a}, {"VSERIN+1",0x020b},
{"VSEROR", 0x020c}, {"VSEROR+1",0x020d}, {"VSEROC", 0x020e}, {"VSEROC+1",0x020f},
{"VTIMR1", 0x0210}, {"VTIMR1+1",0x0211}, {"VTIMR2", 0x0212}, {"VTIMR2+1",0x0213},
{"VTIMR4", 0x0214}, {"VTIMR4+1",0x0215}, {"VIMIRQ", 0x0216}, {"VIMIRQ+1",0x0217},
{"CDTMV1", 0x0218}, {"CDTMV1+1",0x0219}, {"CDTMV2", 0x021a}, {"CDTMV2+1",0x021b},
{"CDTMV3", 0x021c}, {"CDTMV3+1",0x021d}, {"CDTMV4", 0x021e}, {"CDTMV4+1",0x021f},
{"CDTMV5", 0x0220}, {"CDTMV5+1",0x0221}, {"VVBLKI", 0x0222}, {"VVBLKI+1",0x0223},
{"VVBLKD", 0x0224}, {"VVBLKD+1",0x0225}, {"CDTMA1", 0x0226}, {"CDTMA1+1",0x0227},
{"CDTMA2", 0x0228}, {"CDTMA2+1",0x0229}, {"CDTMF3", 0x022a}, {"SRTIMR", 0x022b},
{"CDTMF4", 0x022c}, {"INTEMP", 0x022d}, {"CDTMF5", 0x022e}, {"SDMCTL", 0x022f},
{"SDLSTL", 0x0230}, {"SDLSTH", 0x0231}, {"SSKCTL", 0x0232}, {"SPARE", 0x0233},
{"LPENH", 0x0234}, {"LPENV", 0x0235}, {"BRKKY", 0x0236}, {"BRKKY+1", 0x0237},
{"VPIRQ", 0x0238}, {"VPIRQ+1", 0x0239}, {"CDEVIC", 0x023a}, {"CCOMND", 0x023b},
{"CAUX1", 0x023c}, {"CAUX2", 0x023d}, {"TMPSIO", 0x023e}, {"ERRFLG", 0x023f},
{"DFLAGS", 0x0240}, {"DBSECT", 0x0241}, {"BOOTAD", 0x0242}, {"BOOTAD+1",0x0243},
{"COLDST", 0x0244}, {"RECLEN", 0x0245}, {"DSKTIM", 0x0246}, {"PDVMSK", 0x0247},
{"SHPDVS", 0x0248}, {"PDMSK", 0x0249}, {"RELADR", 0x024a}, {"RELADR+1",0x024b},
{"PPTMPA", 0x024c}, {"PPTMPX", 0x024d}, {"CHSALT", 0x026b}, {"VSFLAG", 0x026c},
{"KEYDIS", 0x026d}, {"FINE", 0x026e}, {"GPRIOR", 0x026f}, {"PADDL0", 0x0270},
{"PADDL1", 0x0271}, {"PADDL2", 0x0272}, {"PADDL3", 0x0273}, {"PADDL4", 0x0274},
{"PADDL5", 0x0275}, {"PADDL6", 0x0276}, {"PADDL7", 0x0277}, {"STICK0", 0x0278},
{"STICK1", 0x0279}, {"STICK2", 0x027a}, {"STICK3", 0x027b}, {"PTRIG0", 0x027c},
{"PTRIG1", 0x027d}, {"PTRIG2", 0x027e}, {"PTRIG3", 0x027f}, {"PTRIG4", 0x0280},
{"PTRIG5", 0x0281}, {"PTRIG6", 0x0282}, {"PTRIG7", 0x0283}, {"STRIG0", 0x0284},
{"STRIG1", 0x0285}, {"STRIG2", 0x0286}, {"STRIG3", 0x0287}, {"HIBYTE", 0x0288},
{"WMODE", 0x0289}, {"BLIM", 0x028a}, {"IMASK", 0x028b}, {"JVECK", 0x028c},
{"NEWADR", 0x028e}, {"TXTROW", 0x0290}, {"TXTCOL", 0x0291}, {"TXTCOL+1",0x0292},
{"TINDEX", 0x0293}, {"TXTMSC", 0x0294}, {"TXTMSC+1",0x0295}, {"TXTOLD", 0x0296},
{"TXTOLD+1",0x0297}, {"TXTOLD+2",0x0298}, {"TXTOLD+3",0x0299}, {"TXTOLD+4",0x029a},
{"TXTOLD+5",0x029b}, {"CRETRY", 0x029c}, {"HOLD3", 0x029d}, {"SUBTMP", 0x029e},
{"HOLD2", 0x029f}, {"DMASK", 0x02a0}, {"TMPLBT", 0x02a1}, {"ESCFLG", 0x02a2},
{"TABMAP", 0x02a3}, {"TABMAP+1",0x02a4}, {"TABMAP+2",0x02a5}, {"TABMAP+3",0x02a6},
{"TABMAP+4",0x02a7}, {"TABMAP+5",0x02a8}, {"TABMAP+6",0x02a9}, {"TABMAP+7",0x02aa},
{"TABMAP+8",0x02ab}, {"TABMAP+9",0x02ac}, {"TABMAP+A",0x02ad}, {"TABMAP+B",0x02ae},
{"TABMAP+C",0x02af}, {"TABMAP+D",0x02b0}, {"TABMAP+E",0x02b1}, {"LOGMAP", 0x02b2},
{"LOGMAP+1",0x02b3}, {"LOGMAP+2",0x02b4}, {"LOGMAP+3",0x02b5}, {"INVFLG", 0x02b6},
{"FILFLG", 0x02b7}, {"TMPROW", 0x02b8}, {"TMPCOL", 0x02b9}, {"TMPCOL+1",0x02ba},
{"SCRFLG", 0x02bb}, {"HOLD4", 0x02bc}, {"DRETRY", 0x02bd}, {"SHFLOC", 0x02be},
{"BOTSCR", 0x02bf}, {"PCOLR0", 0x02c0}, {"PCOLR1", 0x02c1}, {"PCOLR2", 0x02c2},
{"PCOLR3", 0x02c3}, {"COLOR0", 0x02c4}, {"COLOR1", 0x02c5}, {"COLOR2", 0x02c6},
{"COLOR3", 0x02c7}, {"COLOR4", 0x02c8}, {"RUNADR", 0x02c9}, {"RUNADR+1",0x02ca},
{"HIUSED", 0x02cb}, {"HIUSED+1",0x02cc}, {"ZHIUSE", 0x02cd}, {"ZHIUSE+1",0x02ce},
{"GBYTEA", 0x02cf}, {"GBYTEA+1",0x02d0}, {"LOADAD", 0x02d1}, {"LOADAD+1",0x02d2},
{"ZLOADA", 0x02d3}, {"ZLOADA+1",0x02d4}, {"DSCTLN", 0x02d5}, {"DSCTLN+1",0x02d6},
{"ACMISR", 0x02d7}, {"ACMISR+1",0x02d8}, {"KRPDER", 0x02d9}, {"KEYREP", 0x02da},
{"NOCLIK", 0x02db}, {"HELPFG", 0x02dc}, {"DMASAV", 0x02dd}, {"PBPNT", 0x02de},
{"PBUFSZ", 0x02df}, {"RUNAD", 0x02e0}, {"RUNAD+1", 0x02e1}, {"INITAD", 0x02e2},
{"INITAD+1",0x02e3}, {"RAMSIZ", 0x02e4}, {"MEMTOP", 0x02e5}, {"MEMTOP+1",0x02e6},
{"MEMLO", 0x02e7}, {"MEMLO+1", 0x02e8}, {"HNDLOD", 0x02e9}, {"DVSTAT", 0x02ea},
{"DVSTAT+1",0x02eb}, {"DVSTAT+2",0x02ec}, {"DVSTAT+3",0x02ed}, {"CBAUDL", 0x02ee},
{"CBAUDH", 0x02ef}, {"CRSINH", 0x02f0}, {"KEYDEL", 0x02f1}, {"CH1", 0x02f2},
{"CHACT", 0x02f3}, {"CHBAS", 0x02f4}, {"NEWROW", 0x02f5}, {"NEWCOL", 0x02f6},
{"NEWCOL+1",0x02f7}, {"ROWINC", 0x02f8}, {"COLINC", 0x02f9}, {"CHAR", 0x02fa},
{"ATACHR", 0x02fb}, {"CH", 0x02fc}, {"FILDAT", 0x02fd}, {"DSPFLG", 0x02fe},
{"SSFLAG", 0x02ff},
{"DDEVIC", 0x0300}, {"DUNIT", 0x0301}, {"DCOMND", 0x0302}, {"DSTATS", 0x0303},
{"DBUFLO", 0x0304}, {"DBUFHI", 0x0305}, {"DTIMLO", 0x0306}, {"DUNUSE", 0x0307},
{"DBYTLO", 0x0308}, {"DBYTHI", 0x0309}, {"DAUX1", 0x030a}, {"DAUX2", 0x030b},
{"TIMER1", 0x030c}, {"TIMER1+1",0x030d}, {"ADDCOR", 0x030e}, {"CASFLG", 0x030f},
{"TIMER2", 0x0310}, {"TIMER2+1",0x0311}, {"TEMP1", 0x0312}, {"TEMP1+1", 0x0313},
{"TEMP2", 0x0314}, {"TEMP3", 0x0315}, {"SAVIO", 0x0316}, {"TIMFLG", 0x0317},
{"STACKP", 0x0318}, {"TSTAT", 0x0319}, {"HATABS", 0x031a}, /* HATABS 1-34 */
{"PUTBT1", 0x033d}, {"PUTBT2", 0x033e}, {"PUTBT3", 0x033f},
{"B0-ICHID",0x0340}, {"B0-ICDNO",0x0341}, {"B0-ICCOM",0x0342}, {"B0-ICSTA",0x0343},
{"B0-ICBAL",0x0344}, {"B0-ICBAH",0x0345}, {"B0-ICPTL",0x0346}, {"B0-ICPTH",0x0347},
{"B0-ICBLL",0x0348}, {"B0-ICBLH",0x0349}, {"B0-ICAX1",0x034a}, {"B0-ICAX2",0x034b},
{"B0-ICAX3",0x034c}, {"B0-ICAX4",0x034d}, {"B0-ICAX5",0x034e}, {"B0-ICAX6",0x034f},
{"B1-ICHID",0x0350}, {"B1-ICDNO",0x0351}, {"B1-ICCOM",0x0352}, {"B1-ICSTA",0x0353},
{"B1-ICBAL",0x0354}, {"B1-ICBAH",0x0355}, {"B1-ICPTL",0x0356}, {"B1-ICPTH",0x0357},
{"B1-ICBLL",0x0358}, {"B1-ICBLH",0x0359}, {"B1-ICAX1",0x035a}, {"B1-ICAX2",0x035b},
{"B1-ICAX3",0x035c}, {"B1-ICAX4",0x035d}, {"B1-ICAX5",0x035e}, {"B1-ICAX6",0x035f},
{"B2-ICHID",0x0360}, {"B2-ICDNO",0x0361}, {"B2-ICCOM",0x0362}, {"B2-ICSTA",0x0363},
{"B2-ICBAL",0x0364}, {"B2-ICBAH",0x0365}, {"B2-ICPTL",0x0366}, {"B2-ICPTH",0x0367},
{"B2-ICBLL",0x0368}, {"B2-ICBLH",0x0369}, {"B2-ICAX1",0x036a}, {"B2-ICAX2",0x036b},
{"B2-ICAX3",0x036c}, {"B2-ICAX4",0x036d}, {"B2-ICAX5",0x036e}, {"B2-ICAX6",0x036f},
{"B3-ICHID",0x0370}, {"B3-ICDNO",0x0371}, {"B3-ICCOM",0x0372}, {"B3-ICSTA",0x0373},
{"B3-ICBAL",0x0374}, {"B3-ICBAH",0x0375}, {"B3-ICPTL",0x0376}, {"B3-ICPTH",0x0377},
{"B3-ICBLL",0x0378}, {"B3-ICBLH",0x0379}, {"B3-ICAX1",0x037a}, {"B3-ICAX2",0x037b},
{"B3-ICAX3",0x037c}, {"B3-ICAX4",0x037d}, {"B3-ICAX5",0x037e}, {"B3-ICAX6",0x037f},
{"B4-ICHID",0x0380}, {"B4-ICDNO",0x0381}, {"B4-ICCOM",0x0382}, {"B4-ICSTA",0x0383},
{"B4-ICBAL",0x0384}, {"B4-ICBAH",0x0385}, {"B4-ICPTL",0x0386}, {"B4-ICPTH",0x0387},
{"B4-ICBLL",0x0388}, {"B4-ICBLH",0x0389}, {"B4-ICAX1",0x038a}, {"B4-ICAX2",0x038b},
{"B4-ICAX3",0x038c}, {"B4-ICAX4",0x038d}, {"B4-ICAX5",0x038e}, {"B4-ICAX6",0x038f},
{"B5-ICHID",0x0390}, {"B5-ICDNO",0x0391}, {"B5-ICCOM",0x0392}, {"B5-ICSTA",0x0393},
{"B5-ICBAL",0x0394}, {"B5-ICBAH",0x0395}, {"B5-ICPTL",0x0396}, {"B5-ICPTH",0x0397},
{"B5-ICBLL",0x0398}, {"B5-ICBLH",0x0399}, {"B5-ICAX1",0x039a}, {"B5-ICAX2",0x039b},
{"B5-ICAX3",0x039c}, {"B5-ICAX4",0x039d}, {"B5-ICAX5",0x039e}, {"B5-ICAX6",0x039f},
{"B6-ICHID",0x03a0}, {"B6-ICDNO",0x03a1}, {"B6-ICCOM",0x03a2}, {"B6-ICSTA",0x03a3},
{"B6-ICBAL",0x03a4}, {"B6-ICBAH",0x03a5}, {"B6-ICPTL",0x03a6}, {"B6-ICPTH",0x03a7},
{"B6-ICBLL",0x03a8}, {"B6-ICBLH",0x03a9}, {"B6-ICAX1",0x03aa}, {"B6-ICAX2",0x03ab},
{"B6-ICAX3",0x03ac}, {"B6-ICAX4",0x03ad}, {"B6-ICAX5",0x03ae}, {"B6-ICAX6",0x03af},
{"B7-ICHID",0x03b0}, {"B7-ICDNO",0x03b1}, {"B7-ICCOM",0x03b2}, {"B7-ICSTA",0x03b3},
{"B7-ICBAL",0x03b4}, {"B7-ICBAH",0x03b5}, {"B7-ICPTL",0x03b6}, {"B7-ICPTH",0x03b7},
{"B7-ICBLL",0x03b8}, {"B7-ICBLH",0x03b9}, {"B7-ICAX1",0x03ba}, {"B7-ICAX2",0x03bb},
{"B7-ICAX3",0x03bc}, {"B7-ICAX4",0x03bd}, {"B7-ICAX5",0x03be}, {"B7-ICAX6",0x03bf},
{"PRNBUF", 0x03c0}, /* PRNBUF 1-39 */
{"SUPERF", 0x03e8}, {"CKEY", 0x03e9}, {"CASSBT", 0x03ea}, {"CARTCK", 0x03eb},
{"DERRF", 0x03ec}, {"ACMVAR", 0x03ed}, /* ACMVAR 1-10 */
{"BASICF", 0x03f8}, {"MINTLK", 0x03f9}, {"GINTLK", 0x03fa}, {"CHLINK", 0x03fb},
{"CHLINK+1",0x03fc}, {"CASBUF", 0x03fd},
{"M0PF", 0xd000}, {"HPOSP0",0xd000}, {"M1PF", 0xd001}, {"HPOSP1",0xd001},
{"M2PF", 0xd002}, {"HPOSP2",0xd002}, {"M3PF", 0xd003}, {"HPOSP3",0xd003},
{"P0PF", 0xd004}, {"HPOSM0",0xd004}, {"P1PF", 0xd005}, {"HPOSM1",0xd005},
{"P2PF", 0xd006}, {"HPOSM2",0xd006}, {"P3PF", 0xd007}, {"HPOSM3",0xd007},
{"M0PL", 0xd008}, {"SIZEP0",0xd008}, {"M1PL", 0xd009}, {"SIZEP1",0xd009},
{"M2PL", 0xd00a}, {"SIZEP2",0xd00a}, {"M3PL", 0xd00b}, {"SIZEP3",0xd00b},
{"P0PL", 0xd00c}, {"SIZEM", 0xd00c}, {"P1PL", 0xd00d}, {"GRAFP0",0xd00d},
{"P2PL", 0xd00e}, {"GRAFP1",0xd00e}, {"P3PL", 0xd00f}, {"GRAFP2",0xd00f},
{"TRIG0", 0xd010}, {"GRAFP3",0xd010}, {"TRIG1", 0xd011}, {"GRAFM", 0xd011},
{"TRIG2", 0xd012}, {"COLPM0",0xd012}, {"TRIG3", 0xd013}, {"COLPM1",0xd013},
{"PAL", 0xd014}, {"COLPM2",0xd014}, {"COLPM3",0xd015}, {"COLPF0",0xd016},
{"COLPF1",0xd017},
{"COLPF2",0xd018}, {"COLPF3",0xd019}, {"COLBK", 0xd01a}, {"PRIOR", 0xd01b},
{"VDELAY",0xd01c}, {"GRACTL",0xd01d}, {"HITCLR",0xd01e}, {"CONSOL",0xd01f},
{"POT0", 0xd200}, {"AUDF1", 0xd200}, {"POT1", 0xd201}, {"AUDC1", 0xd201},
{"POT2", 0xd202}, {"AUDF2", 0xd202}, {"POT3", 0xd203}, {"AUDC2", 0xd203},
{"POT4", 0xd204}, {"AUDF3", 0xd204}, {"POT5", 0xd205}, {"AUDC3", 0xd205},
{"POT6", 0xd206}, {"AUDF4", 0xd206}, {"POT7", 0xd207}, {"AUDC4", 0xd207},
{"ALLPOT",0xd208}, {"AUDCTL",0xd208}, {"KBCODE",0xd209}, {"STIMER",0xd209},
{"RANDOM",0xd20a}, {"SKREST",0xd20a}, {"POTGO", 0xd20b},
{"SERIN", 0xd20d}, {"SEROUT",0xd20d}, {"IRQST", 0xd20e}, {"IRQEN", 0xd20e},
{"SKSTAT",0xd20f}, {"SKCTL", 0xd20f},
{"PORTA", 0xd300}, {"PORTB", 0xd301}, {"PACTL", 0xd302}, {"PBCTL", 0xd303},
{"DMACTL",0xd400}, {"CHACTL",0xd401}, {"DLISTL",0xd402}, {"DLISTH",0xd403},
{"HSCROL",0xd404}, {"VSCROL",0xd405}, {"PMBASE",0xd407}, {"CHBASE",0xd409},
{"WSYNC", 0xd40a}, {"VCOUNT",0xd40b}, {"PENH", 0xd40c}, {"PENV", 0xd40d},
{"NMIEN", 0xd40e}, {"NMIST", 0xd40f}, {"NMIRES",0xd40f},
{"AFP", 0xd800}, {"FASC", 0xd8e6}, {"IFP", 0xd9aa}, {"FPI", 0xd9d2},
{"ZPRO", 0xda44}, {"ZF1", 0xda46}, {"FSUB", 0xda60}, {"FADD", 0xda66},
{"FMUL", 0xdadb}, {"FDIV", 0xdb28}, {"PLYEVL",0xdd40}, {"FLD0R", 0xdd89},
{"FLD0R", 0xdd8d}, {"FLD1R", 0xdd98}, {"FLD1P", 0xdd9c}, {"FST0R", 0xdda7},
{"FST0P", 0xddab}, {"FMOVE", 0xddb6}, {"EXP", 0xddc0}, {"EXP10", 0xddcc},
{"LOG", 0xdecd}, {"LOG10", 0xded1},
{"DSKINV",0xe453}, {"CIOV", 0xe456}, {"SIOV", 0xe459}, {"SETVBV",0xe45c},
{"SYSVBV",0xe45f}, {"XITVBV",0xe462}, {"SIOINV",0xe465}, {"SENDEV",0xe468},
{"INTINV",0xe46b}, {"CIOINV",0xe46e}, {"SELFSV",0xe471}, {"WARMSV",0xe474},
{"COLDSV",0xe477}, {"RBLOKV",0xe47a}, {"CSOPIV",0xe47d}, {"PUPDIV",0xe480},
{"SELFTSV",0xe483},{"PENTV", 0xe486}, {"PHUNLV",0xe489}, {"PHINIV",0xe48c},
{"GPDVV", 0xe48f},
{NULL, 0x0000}
};
static const symtable_rec symtable_builtin_5200[] = {
{"POKMSK", 0x0000}, {"RTCLOKH", 0x0001}, {"RTCLOKL",0x0002}, {"CRITIC", 0x0003},
{"ATRACT", 0x0004}, {"SDLSTL", 0x0005}, {"SDLSTH", 0x0006}, {"SDMCTL", 0x0007},
{"PCOLR0", 0x0008}, {"PCOLR1", 0x0009}, {"PCOLR2",0x000a}, {"PCOLR3", 0x000b},
{"COLOR0",0x000c}, {"COLOR1", 0x000d}, {"COLOR2",0x000e}, {"COLOR3", 0x000f},
{"COLOR4", 0x0010}, {"PADDL0", 0x0011}, {"PADDL1",0x0012}, {"PADDL2",0x0013},
{"PADDL3", 0x0014}, {"PADDL4",0x0015}, {"PADDL5", 0x0016}, {"PADDL6", 0x0017},
{"PADDL7",0x0018},
{"VIMIRQ", 0x0200}, {"VIMIRQ+1",0x0201}, {"VVBLKI", 0x0202}, {"VVBLKI+1",0x0203},
{"VVBLKD", 0x0204}, {"VVBLKD+1",0x0205}, {"VDSLST", 0x0206}, {"VDSLST+1",0x0207},
{"VKEYBD", 0x0208}, {"VKEYBD+1",0x0209}, {"VKPD", 0x020a}, {"VKPD+1",0x020b},
{"BRKKY", 0x020c}, {"BRKKY+1",0x020d}, {"VBREAK", 0x020e}, {"VBREAK+1",0x020f},
{"VSERIN", 0x0210}, {"VSERIN+1",0x0211}, {"VSEROR", 0x0212}, {"VSEROR+1",0x0213},
{"VSEROC", 0x0214}, {"VSEROC+1",0x0215}, {"VTIMR1", 0x0216}, {"VTIMR1+1",0x0217},
{"VTIMR2", 0x0218}, {"VTIMR2+1",0x0219}, {"VTIMR4", 0x021a}, {"VTIMR4+1",0x021b},
{"M0PF", 0xc000}, {"HPOSP0",0xc000}, {"M1PF", 0xc001}, {"HPOSP1",0xc001},
{"M2PF", 0xc002}, {"HPOSP2",0xc002}, {"M3PF", 0xc003}, {"HPOSP3",0xc003},
{"P0PF", 0xc004}, {"HPOSM0",0xc004}, {"P1PF", 0xc005}, {"HPOSM1",0xc005},
{"P2PF", 0xc006}, {"HPOSM2",0xc006}, {"P3PF", 0xc007}, {"HPOSM3",0xc007},
{"M0PL", 0xc008}, {"SIZEP0",0xc008}, {"M1PL", 0xc009}, {"SIZEP1",0xc009},
{"M2PL", 0xc00a}, {"SIZEP2",0xc00a}, {"M3PL", 0xc00b}, {"SIZEP3",0xc00b},
{"P0PL", 0xc00c}, {"SIZEM", 0xc00c}, {"P1PL", 0xc00d}, {"GRAFP0",0xc00d},
{"P2PL", 0xc00e}, {"GRAFP1",0xc00e}, {"P3PL", 0xc00f}, {"GRAFP2",0xc00f},
{"TRIG0", 0xc010}, {"GRAFP3",0xc010}, {"TRIG1", 0xc011}, {"GRAFM", 0xc011},
{"TRIG2", 0xc012}, {"COLPM0",0xc012}, {"TRIG3", 0xc013}, {"COLPM1",0xc013},
{"PAL", 0xc014}, {"COLPM2",0xc014}, {"COLPM3",0xc015}, {"COLPF0",0xc016},
{"COLPF1",0xc017},
{"COLPF2",0xc018}, {"COLPF3",0xc019}, {"COLBK", 0xc01a}, {"PRIOR", 0xc01b},
{"VDELAY",0xc01c}, {"GRACTL",0xc01d}, {"HITCLR",0xc01e}, {"CONSOL",0xc01f},
{"DMACTL",0xd400}, {"CHACTL",0xd401}, {"DLISTL",0xd402}, {"DLISTH",0xd403},
{"HSCROL",0xd404}, {"VSCROL",0xd405}, {"PMBASE",0xd407}, {"CHBASE",0xd409},
{"WSYNC", 0xd40a}, {"VCOUNT",0xd40b}, {"PENH", 0xd40c}, {"PENV", 0xd40d},
{"NMIEN", 0xd40e}, {"NMIST", 0xd40f}, {"NMIRES",0xd40f},
{"POT0", 0xe800}, {"AUDF1", 0xe800}, {"POT1", 0xe801}, {"AUDC1", 0xe801},
{"POT2", 0xe802}, {"AUDF2", 0xe802}, {"POT3", 0xe803}, {"AUDC2", 0xe803},
{"POT4", 0xe804}, {"AUDF3", 0xe804}, {"POT5", 0xe805}, {"AUDC3", 0xe805},
{"POT6", 0xe806}, {"AUDF4", 0xe806}, {"POT7", 0xe807}, {"AUDC4", 0xe807},
{"ALLPOT",0xe808}, {"AUDCTL",0xe808}, {"KBCODE",0xe809}, {"STIMER",0xe809},
{"RANDOM",0xe80a}, {"SKREST",0xe80a}, {"POTGO", 0xe80b},
{"SERIN", 0xe80d}, {"SEROUT",0xe80d}, {"IRQST", 0xe80e}, {"IRQEN", 0xe80e},
{"SKSTAT",0xe80f}, {"SKCTL", 0xe80f},
{NULL, 0x0000}
};
static int symtable_builtin_enable = TRUE;
static symtable_rec *symtable_user = NULL;
static int symtable_user_size = 0;
static const char *find_label_name(UWORD addr, int is_write)
{
int i;
for (i = 0; i < symtable_user_size; i++) {
if (symtable_user[i].addr == addr)
return symtable_user[i].name;
}
if (symtable_builtin_enable) {
const symtable_rec *p;
for (p = (Atari800_machine_type == Atari800_MACHINE_5200 ? symtable_builtin_5200 : symtable_builtin); p->name != NULL; p++) {
if (p->addr == addr) {
if (is_write && p[1].addr == addr)
p++;
return p->name;
}
}
}
return NULL;
}
static symtable_rec *find_user_label(const char *name)
{
int i;
for (i = 0; i < symtable_user_size; i++) {
if (Util_stricmp(symtable_user[i].name, name) == 0)
return &symtable_user[i];
}
return NULL;
}
static int find_label_value(const char *name)
{
const symtable_rec *p = find_user_label(name);
if (p != NULL)
return p->addr;
if (symtable_builtin_enable) {
for (p = (Atari800_machine_type == Atari800_MACHINE_5200 ? symtable_builtin_5200 : symtable_builtin); p->name != NULL; p++) {
if (Util_stricmp(p->name, name) == 0)
return p->addr;
}
}
return -1;
}
static void free_user_labels(void)
{
if (symtable_user != NULL) {
while (symtable_user_size > 0)
free(symtable_user[--symtable_user_size].name);
free(symtable_user);
symtable_user = NULL;
}
}
static void add_user_label(const char *name, UWORD addr)
{
#define SYMTABLE_USER_INITIAL_SIZE 128
if (symtable_user == NULL)
symtable_user = (symtable_rec *) Util_malloc(SYMTABLE_USER_INITIAL_SIZE * sizeof(symtable_rec));
else if (symtable_user_size >= SYMTABLE_USER_INITIAL_SIZE
&& (symtable_user_size & (symtable_user_size - 1)) == 0) {
/* symtable_user_size is a power of two: allocate twice as much */
symtable_user = (symtable_rec *) Util_realloc(symtable_user,
2 * symtable_user_size * sizeof(symtable_rec));
}
symtable_user[symtable_user_size].name = Util_strdup(name);
symtable_user[symtable_user_size].addr = addr;
symtable_user_size++;
}
static void load_user_labels(const char *filename)
{
FILE *fp;
char line[256];
if (filename == NULL) {
printf("You must specify a filename\n");
return;
}
/* "rb" and not "r", because we strip EOLs ourselves
- this is better, because we can use CR/LF files on Unix */
fp = fopen(filename, "rb");
if (fp == NULL) {
perror(filename);
return;
}
free_user_labels();
while (fgets(line, sizeof(line), fp)) {
char *p;
unsigned int value = 0;
int digits = 0;
/* Find first 4 hex digits or more. */
/* We don't support "Cafe Assembler", "Dead Assembler" or "C0de Assembler". ;-) */
for (p = line; *p != '\0'; p++) {
if (*p >= '0' && *p <= '9') {
value = (value << 4) + *p - '0';
digits++;
}
else if (*p >= 'A' && *p <= 'F') {
value = (value << 4) + *p - 'A' + 10;
digits++;
}
else if (*p >= 'a' && *p <= 'f') {
value = (value << 4) + *p - 'a' + 10;
digits++;
}
else if (digits >= 4)
break;
else if (*p == '-')
break; /* ignore labels with negative values */
else {
/* note that xasm can put "2" before the label value and mads puts "00" */
value = 0;
digits = 0;
}
}
if (*p != ' ' && *p != '\t')
continue;
if (value > 0xffff || digits > 8)
continue;
do
p++;
while (*p == ' ' || *p == '\t');
Util_chomp(p);
if (*p == '\0')
continue;
add_user_label(p, (UWORD) value);
}
fclose(fp);
printf("Loaded %d labels\n", symtable_user_size);
}
#endif /* MONITOR_HINTS */
static const char instr6502[256][10] = {
"BRK", "ORA (1,X)", "CIM", "ASO (1,X)", "NOP 1", "ORA 1", "ASL 1", "ASO 1",
"PHP", "ORA #1", "ASL", "ANC #1", "NOP 2", "ORA 2", "ASL 2", "ASO 2",
"BPL 0", "ORA (1),Y", "CIM", "ASO (1),Y", "NOP 1,X", "ORA 1,X", "ASL 1,X", "ASO 1,X",
"CLC", "ORA 2,Y", "NOP !", "ASO 2,Y", "NOP 2,X", "ORA 2,X", "ASL 2,X", "ASO 2,X",
"JSR 2", "AND (1,X)", "CIM", "RLA (1,X)", "BIT 1", "AND 1", "ROL 1", "RLA 1",
"PLP", "AND #1", "ROL", "ANC #1", "BIT 2", "AND 2", "ROL 2", "RLA 2",
"BMI 0", "AND (1),Y", "CIM", "RLA (1),Y", "NOP 1,X", "AND 1,X", "ROL 1,X", "RLA 1,X",
"SEC", "AND 2,Y", "NOP !", "RLA 2,Y", "NOP 2,X", "AND 2,X", "ROL 2,X", "RLA 2,X",
"RTI", "EOR (1,X)", "CIM", "LSE (1,X)", "NOP 1", "EOR 1", "LSR 1", "LSE 1",
"PHA", "EOR #1", "LSR", "ALR #1", "JMP 2", "EOR 2", "LSR 2", "LSE 2",
"BVC 0", "EOR (1),Y", "CIM", "LSE (1),Y", "NOP 1,X", "EOR 1,X", "LSR 1,X", "LSE 1,X",
"CLI", "EOR 2,Y", "NOP !", "LSE 2,Y", "NOP 2,X", "EOR 2,X", "LSR 2,X", "LSE 2,X",
"RTS", "ADC (1,X)", "CIM", "RRA (1,X)", "NOP 1", "ADC 1", "ROR 1", "RRA 1",
"PLA", "ADC #1", "ROR", "ARR #1", "JMP (2)", "ADC 2", "ROR 2", "RRA 2",
"BVS 0", "ADC (1),Y", "CIM", "RRA (1),Y", "NOP 1,X", "ADC 1,X", "ROR 1,X", "RRA 1,X",
"SEI", "ADC 2,Y", "NOP !", "RRA 2,Y", "NOP 2,X", "ADC 2,X", "ROR 2,X", "RRA 2,X",
"NOP #1", "STA (1,X)", "NOP #1", "SAX (1,X)", "STY 1", "STA 1", "STX 1", "SAX 1",
"DEY", "NOP #1", "TXA", "ANE #1", "STY 2", "STA 2", "STX 2", "SAX 2",
"BCC 0", "STA (1),Y", "CIM", "SHA (1),Y", "STY 1,X", "STA 1,X", "STX 1,Y", "SAX 1,Y",
"TYA", "STA 2,Y", "TXS", "SHS 2,Y", "SHY 2,X", "STA 2,X", "SHX 2,Y", "SHA 2,Y",
"LDY #1", "LDA (1,X)", "LDX #1", "LAX (1,X)", "LDY 1", "LDA 1", "LDX 1", "LAX 1",
"TAY", "LDA #1", "TAX", "ANX #1", "LDY 2", "LDA 2", "LDX 2", "LAX 2",
"BCS 0", "LDA (1),Y", "CIM", "LAX (1),Y", "LDY 1,X", "LDA 1,X", "LDX 1,Y", "LAX 1,X",
"CLV", "LDA 2,Y", "TSX", "LAS 2,Y", "LDY 2,X", "LDA 2,X", "LDX 2,Y", "LAX 2,Y",
"CPY #1", "CMP (1,X)", "NOP #1", "DCM (1,X)", "CPY 1", "CMP 1", "DEC 1", "DCM 1",
"INY", "CMP #1", "DEX", "SBX #1", "CPY 2", "CMP 2", "DEC 2", "DCM 2",
"BNE 0", "CMP (1),Y", "ESCRTS #1", "DCM (1),Y", "NOP 1,X", "CMP 1,X", "DEC 1,X", "DCM 1,X",
"CLD", "CMP 2,Y", "NOP !", "DCM 2,Y", "NOP 2,X", "CMP 2,X", "DEC 2,X", "DCM 2,X",
"CPX #1", "SBC (1,X)", "NOP #1", "INS (1,X)", "CPX 1", "SBC 1", "INC 1", "INS 1",
"INX", "SBC #1", "NOP", "SBC #1 !", "CPX 2", "SBC 2", "INC 2", "INS 2",
"BEQ 0", "SBC (1),Y", "ESCAPE #1", "INS (1),Y", "NOP 1,X", "SBC 1,X", "INC 1,X", "INS 1,X",
"SED", "SBC 2,Y", "NOP !", "INS 2,Y", "NOP 2,X", "SBC 2,X", "INC 2,X", "INS 2,X"
};
/* Opcode type:
bits 1-0 = instruction length
bit 2 = instruction reads from memory (without stack-manipulating instructions)
bit 3 = instruction writes to memory (without stack-manipulating instructions)
bits 7-4 = adressing type:
0 = NONE (implicit)
1 = ABSOLUTE
2 = ZPAGE
3 = ABSOLUTE_X
4 = ABSOLUTE_Y
5 = INDIRECT_X
6 = INDIRECT_Y
7 = ZPAGE_X
8 = ZPAGE_Y
9 = RELATIVE
A = IMMEDIATE
B = STACK 2 (RTS)
C = STACK 3 (RTI)
D = INDIRECT (JMP () )
E = ESCRTS
F = ESCAPE */
const UBYTE MONITOR_optype6502[256] = {
0x01, 0x56, 0x01, 0x5e, 0x22, 0x26, 0x2e, 0x2e, 0x01, 0xa2, 0x01, 0xa2, 0x13, 0x17, 0x1f, 0x1f,
0x92, 0x66, 0x01, 0x6e, 0x72, 0x76, 0x7e, 0x7e, 0x01, 0x47, 0x01, 0x4f, 0x33, 0x37, 0x3f, 0x3f,
0x13, 0x56, 0x01, 0x5e, 0x26, 0x26, 0x2e, 0x2e, 0x01, 0xa2, 0x01, 0xa2, 0x17, 0x17, 0x1f, 0x1f,
0x92, 0x66, 0x01, 0x6e, 0x72, 0x76, 0x7e, 0x7e, 0x01, 0x47, 0x01, 0x4f, 0x33, 0x37, 0x3f, 0x3f,
0xc1, 0x56, 0x01, 0x5e, 0x22, 0x26, 0x2e, 0x2e, 0x01, 0xa2, 0x01, 0xa2, 0x13, 0x17, 0x1f, 0x1f,
0x92, 0x66, 0x01, 0x6e, 0x72, 0x76, 0x7e, 0x7e, 0x01, 0x47, 0x01, 0x4f, 0x33, 0x37, 0x3f, 0x3f,
0xb1, 0x56, 0x01, 0x5e, 0x22, 0x26, 0x2e, 0x2e, 0x01, 0xa2, 0x01, 0xa2, 0xd3, 0x17, 0x1f, 0x1f,
0x92, 0x66, 0x01, 0x6e, 0x72, 0x76, 0x7e, 0x7e, 0x01, 0x47, 0x01, 0x4f, 0x33, 0x37, 0x3f, 0x3f,
0xa2, 0x5a, 0x01, 0x5a, 0x2a, 0x2a, 0x2a, 0x2a, 0x01, 0xa2, 0x01, 0xa2, 0x1b, 0x1b, 0x1b, 0x1b,
0x92, 0x6a, 0x01, 0x6a, 0x7a, 0x7a, 0x8a, 0x8a, 0x01, 0x4b, 0x01, 0x4b, 0x3b, 0x3b, 0x4b, 0x4b,
0xa2, 0x56, 0xa2, 0x56, 0x26, 0x26, 0x26, 0x26, 0x01, 0xa2, 0x01, 0xa2, 0x17, 0x17, 0x17, 0x17,
0x92, 0x66, 0x01, 0x66, 0x76, 0x76, 0x86, 0x86, 0x01, 0x47, 0x01, 0x47, 0x37, 0x37, 0x47, 0x47,
0xa2, 0x56, 0xa2, 0x5e, 0x26, 0x26, 0x2e, 0x2e, 0x01, 0xa2, 0x01, 0xa2, 0x17, 0x17, 0x1f, 0x1f,
0x92, 0x66, 0xe2, 0x6e, 0x72, 0x76, 0x7e, 0x7e, 0x01, 0x47, 0x01, 0x4f, 0x33, 0x37, 0x3f, 0x3f,
0xa2, 0x56, 0xa2, 0x5e, 0x26, 0x26, 0x2e, 0x2e, 0x01, 0xa2, 0x01, 0xa2, 0x17, 0x17, 0x1f, 0x1f,
0x92, 0x66, 0xf2, 0x6e, 0x72, 0x76, 0x7e, 0x7e, 0x01, 0x47, 0x01, 0x4f, 0x33, 0x37, 0x3f, 0x3f
};
static void safe_gets(char *buffer, size_t size)
{
#ifdef HAVE_FFLUSH
fflush(stdout);
#endif
#ifdef MONITOR_READLINE
{
char *got = readline("");
if (got) {
strncpy(buffer, got, size);
if (*got)
add_history(got);
}
}
#else
fgets(buffer, size, stdin);
#endif
Util_chomp(buffer);
}
static int pager(void)
{
char buf[100];
printf("Press Return to continue ('q' to quit): ");
safe_gets(buf, sizeof(buf));
return buf[0] == 'q' || buf[0] == 'Q';
}
static char *token_ptr;
static char *get_token(void)
{
char *p = token_ptr;
while (*p == ' ')
p++;
if (*p == '\0')
return NULL;
token_ptr = p;
do {
token_ptr++;
if (*token_ptr == ' ') {
*token_ptr++ = '\0';
break;
}
} while (*token_ptr != '\0');
return p;
}
#if defined(MONITOR_BREAK) || !defined(NO_YPOS_BREAK_FLICKER)
static int get_dec(int *decval)
{
const char *t;
t = get_token();
if (t != NULL) {
int x = Util_sscandec(t);
if (x < 0)
return FALSE;
*decval = x;
return TRUE;
}
return FALSE;
}
#endif
static int parse_hex(const char *s, UWORD *hexval)
{
int x = Util_sscanhex(s);
#ifdef MONITOR_HINTS
int y = find_label_value(s);
if (y >= 0) {
if (x < 0 || x > 0xffff || x == y) {
*hexval = (UWORD) y;
return TRUE;
}
/* s can be a hex number or a label name */
printf("%s is ambiguous. Use 0%X or %X instead.\n", s, x, y);
return FALSE;
}
#endif
if (x < 0 || x > 0xffff)
return FALSE;
*hexval = (UWORD) x;
return TRUE;
}
static int get_hex(UWORD *hexval)
{
const char *t;
t = get_token();
if (t != NULL)
return parse_hex(t, hexval);
return FALSE;
}
static int get_hex2(UWORD *hexval1, UWORD *hexval2)
{
return get_hex(hexval1) && get_hex(hexval2);
}
static int get_hex3(UWORD *hexval1, UWORD *hexval2, UWORD *hexval3)
{
return get_hex(hexval1) && get_hex(hexval2) && get_hex(hexval3);
}
static void get_uword(UWORD *val)
{
if (!get_hex(val))
printf("Invalid argument!\n");
}
static void get_ubyte(UBYTE *val)
{
UWORD uword;
if (!get_hex(&uword) || uword > 0xff)
printf("Invalid argument!\n");
else
*val = (UBYTE) uword;
}
static int get_bool(void)
{
const char *t;
t = get_token();
if (t != NULL) {
int result = Util_sscanbool(t);
if (result >= 0)
return result;
}
printf("Invalid argument (should be 0 or 1)!\n");
return -1;
}
static int get_attrib_range(UWORD *addr1, UWORD *addr2)
{
if (get_hex2(addr1, addr2) && *addr1 <= *addr2) {
#ifdef PAGED_ATTRIB
if ((*addr1 & 0xff) != 0 || (*addr2 & 0xff) != 0xff) {
printf("This is PAGED_ATTRIB version of Atari800.\n"
"You can only change attributes of full memory pages.\n");
return FALSE;
}
#endif
return TRUE;
}
printf("Missing or bad argument!\n");
return FALSE;
}
static UWORD show_instruction(FILE *fp, UWORD pc)
{
UWORD addr = pc;
UBYTE insn;
const char *mnemonic;
const char *p;
int value = 0;
int nchars = 0;
insn = MEMORY_dGetByte(pc++);
mnemonic = instr6502[insn];
for (p = mnemonic + 3; *p != '\0'; p++) {
if (*p == '1') {
value = MEMORY_dGetByte(pc++);
nchars = fprintf(fp, "%04X: %02X %02X " /*"%Xcyc "*/ "%.*s$%02X%s",
addr, insn, value, /*cycles[insn],*/ (int) (p - mnemonic), mnemonic, value, p + 1);
break;
}
if (*p == '2') {
value = MEMORY_dGetWord(pc);
nchars = fprintf(fp, "%04X: %02X %02X %02X " /*"%Xcyc "*/ "%.*s$%04X%s",
addr, insn, value & 0xff, value >> 8, /*cycles[insn],*/ (int) (p - mnemonic), mnemonic, value, p + 1);
pc += 2;
break;
}
if (*p == '0') {
UBYTE op = MEMORY_dGetByte(pc++);
value = (UWORD) (pc + (SBYTE) op);
nchars = fprintf(fp, "%04X: %02X %02X " /*"3cyc "*/ "%.4s$%04X", addr, insn, op, mnemonic, value);
break;
}
}
if (*p == '\0') {
fprintf(fp, "%04X: %02X " /*"%Xcyc "*/ "%s\n", addr, insn, /*cycles[insn],*/ mnemonic);
return pc;
}
#ifdef MONITOR_HINTS
if (p[-1] != '#') {
/* different names when reading/writing memory */
const char *label = find_label_name((UWORD) value, (MONITOR_optype6502[insn] & 0x08) != 0);
if (label != NULL) {
fprintf(fp, "%*s;%s\n", 28 - nchars, "", label);
return pc;
}
}
#endif
fputc('\n', fp);
return pc;
}
void MONITOR_ShowState(FILE *fp, UWORD pc, UBYTE a, UBYTE x, UBYTE y, UBYTE s,
char n, char v, char z, char c)
{
fprintf(fp, "%3d %3d A=%02X X=%02X Y=%02X S=%02X P=%c%c*-%c%c%c%c PC=",
ANTIC_ypos, ANTIC_xpos, a, x, y, s,
n, v, (CPU_regP & CPU_D_FLAG) ? 'D' : '-', (CPU_regP & CPU_I_FLAG) ? 'I' : '-', z, c);
show_instruction(fp, pc);
}
static void show_state(void)
{
MONITOR_ShowState(stdout, CPU_regPC, CPU_regA, CPU_regX, CPU_regY, CPU_regS,
(char) ((CPU_regP & CPU_N_FLAG) ? 'N' : '-'), (char) ((CPU_regP & CPU_V_FLAG) ? 'V' : '-'),
(char) ((CPU_regP & CPU_Z_FLAG) ? 'Z' : '-'), (char) ((CPU_regP & CPU_C_FLAG) ? 'C' : '-'));
}
static UWORD disassemble(UWORD addr)
{
int count = 24;
do
addr = show_instruction(stdout, addr);
while (--count > 0);
return addr;
}
#ifdef MONITOR_ASSEMBLER
static UWORD assembler(UWORD addr)
{
printf("Simple assembler (enter empty line to exit)\n");
for (;;) {
char s[128]; /* input string */
char c[128]; /* converted input */
char *sp; /* input pointer */
char *cp; /* converted input pointer */
char *vp; /* value pointer (the value is stored in s) */
char *tp; /* type pointer (points at type character '0', '1' or '2' in converted input) */
int i;
int isa; /* the operand is "A" */
UWORD value = 0;
printf("%04X: ", (int) addr);
safe_gets(s, sizeof(s));
if (s[0] == '\0')
return addr;
Util_strupper(s);
sp = s;
cp = c;
/* copy first three characters */
for (i = 0; i < 3 && *sp != '\0'; i++)
*cp++ = *sp++;
/* insert space before operands */
*cp++ = ' ';
tp = NULL;
isa = FALSE;
/* convert input to format of instr6502[] table */
while (*sp != '\0') {
switch (*sp) {
case ' ':
case '\t':
case '$':
case '@':
sp++;
break;
case '#':
case '(':
case ')':
case ',':
isa = FALSE;
*cp++ = *sp++;
break;
default:
if (tp != NULL) {
if (*sp == 'X' || *sp == 'Y') {
*cp++ = *sp++;
break;
}
goto invalid_instr;
}
vp = s;
do
*vp++ = *sp++;
while (strchr(" \t$@#(),", *sp) == NULL && *sp != '\0');
/* If *sp=='\0', strchr() should return non-NULL,
but we do an extra check to be on safe side. */
*vp++ = '\0';
tp = cp++;
*tp = '0';
isa = (s[0] == 'A' && s[1] == '\0');
break;
}
}
if (cp[-1] == ' ')
cp--; /* no arguments (e.g. NOP or ASL @) */
*cp = '\0';
/* if there's an operand, get its value */
if (tp != NULL && !parse_hex(s, &value)) {
printf("Invalid operand!\n");
continue;
}
for (;;) {
/* search table for instruction */
for (i = 0; i < 256; i++) {
if (strcmp(instr6502[i], c) == 0) {
if (tp == NULL) {
MEMORY_dPutByte(addr, (UBYTE) i);
addr++;
}
else if (*tp == '0') {
value -= (addr + 2);
if ((SWORD) value < -128 || (SWORD) value > 127)
printf("Branch out of range!\n");
else {
MEMORY_dPutByte(addr, (UBYTE) i);
addr++;
MEMORY_dPutByte(addr, (UBYTE) value);
addr++;
}
}
else if (*tp == '1') {
c[3] = '\0';
if (isa && (strcmp(c, "ASL") == 0 || strcmp(c, "LSR") == 0 ||
strcmp(c, "ROL") == 0 || strcmp(c, "ROR") == 0)) {
printf("\"%s A\" is ambiguous.\n"
"Use \"%s\" for accumulator mode or \"%s 0A\" for zeropage mode.\n", c, c, c);
}
else {
MEMORY_dPutByte(addr, (UBYTE) i);
addr++;
MEMORY_dPutByte(addr, (UBYTE) value);
addr++;
}
}
else { /* *tp == '2' */
MEMORY_dPutByte(addr, (UBYTE) i);
addr++;
MEMORY_dPutWord(addr, value);
addr += 2;
}
goto next_instr;
}
}
/* not found */
if (tp == NULL || *tp == '2')
break;
if (++*tp == '1' && value > 0xff)
*tp = '2';
}
invalid_instr:
printf("Invalid instruction!\n");
next_instr:
;
}
}
#endif /* MONITOR_ASSEMBLER */
#ifdef MONITOR_BREAK
UWORD MONITOR_break_addr = 0xd000;
UBYTE MONITOR_break_step = FALSE;
static UBYTE break_over = FALSE;
UBYTE MONITOR_break_ret = FALSE;
UBYTE MONITOR_break_brk = FALSE;
int MONITOR_ret_nesting = 0;
#endif
#ifdef MONITOR_BREAKPOINTS
MONITOR_breakpoint_cond MONITOR_breakpoint_table[MONITOR_BREAKPOINT_TABLE_MAX];
int MONITOR_breakpoint_table_size = 0;
int MONITOR_breakpoints_enabled = TRUE;
static void breakpoint_print_flag(int flagmask)
{
switch (flagmask) {
case CPU_N_FLAG:
putchar('N');
break;
case CPU_V_FLAG:
putchar('V');
break;
case CPU_D_FLAG:
putchar('D');
break;
case CPU_I_FLAG:
putchar('I');
break;
case CPU_Z_FLAG:
putchar('Z');
break;
case CPU_C_FLAG:
putchar('C');
break;
}
}
static int breakpoint_scan_flag(char c)
{
switch (c) {
case 'N':
return CPU_N_FLAG;
case 'V':
return CPU_V_FLAG;
case 'D':
return CPU_D_FLAG;
case 'I':
return CPU_I_FLAG;
case 'Z':
return CPU_Z_FLAG;
case 'C':
return CPU_C_FLAG;
default:
return -1;