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/*
** Oricutron
** Copyright (C) 2009-2014 Peter Gordon
**
** This program 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, version 2
** of the License.
**
** This program 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 this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
** Monitor/Debugger
*/
#define MAX_CONS_INPUT 127 // Max line length in console
#define MAX_ASM_INPUT 36
#define CONS_WIDTH 46 // Actual console width for input
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include "system.h"
#undef REG_PC // MorphOS should not define REG_PC
#define REG_PC _REG_PC
#include "6502.h"
#include "via.h"
#include "8912.h"
#include "gui.h"
#include "disk.h"
#include "monitor.h"
#include "6551.h"
#include "machine.h"
#include "ula.h"
#include "tape.h"
#include "snapshot.h"
#define LOG_DEBUG 0
#if LOG_DEBUG
#if defined(__amigaos4__) || defined(__MORPHOS__)
static char *debug_logname = "RAM:debug.log";
#else
static char *debug_logname = "debug_log.txt";
#endif
FILE *debug_logfile = NULL;
#endif
struct disinf
{
char *name;
int amode;
};
struct asminf
{
char *name;
short imp, imm, zp, zpx, zpy, abs, abx, aby, zix, ziy, rel, ind;
};
struct click
{
int x, y, time;
};
static struct click leftclick[2];
extern struct textzone *tz[];
extern char vsptmp[];
extern char snappath[], filetmp[];
extern SDL_bool refreshstatus;
static char distmp[128];
static unsigned short disaddrs[10];
static char ibuf[128], lastcmd;
static char history[10][128];
static int ilen, iloff=0, cursx, histu=0, histp=-1;
static unsigned short mon_addr, mon_asmmode = SDL_FALSE;
static SDL_bool kshifted = SDL_FALSE, updatepreview = SDL_FALSE;
static int helpcount=0;
static struct symboltable defaultsyms;
char mon_bpmsg[80];
static SDL_bool mw_split = SDL_FALSE;
static int mw_which = 0;
static unsigned short mw_addr[2];
static int mw_mode=0, mw_koffs=0;
static char mw_ibuf[8];
static unsigned char mwatch_old[65536];
static SDL_bool mwatch_oldvalid = SDL_FALSE;
static struct m6502 cpu_old;
static int vidraster_old, frames_old;
static SDL_bool cpu_oldvalid = SDL_FALSE;
static struct ay8912 ay_old;
static SDL_bool ay_oldvalid = SDL_FALSE;
static struct via via_old;
static SDL_bool via_oldvalid = SDL_FALSE;
static struct via via2_old;
static SDL_bool via2_oldvalid = SDL_FALSE;
static SDL_bool modified = SDL_FALSE;
// 12345678901 12345678
static struct msym defsym_tele[] = { { 0x0300, 0, "VIA_IORB" , "VIA_IORB" , "VIA_IORB" },
{ 0x0301, 0, "VIA_IORA" , "VIA_IORA" , "VIA_IORA" },
{ 0x0302, 0, "VIA_DDRB" , "VIA_DDRB" , "VIA_DDRB" },
{ 0x0303, 0, "VIA_DDRA" , "VIA_DDRA" , "VIA_DDRA" },
{ 0x0304, 0, "VIA_T1C_L" , "VIA_T1C\x16", "VIA_T1C_L" },
{ 0x0305, 0, "VIA_T1C_H" , "VIA_T1C\x16", "VIA_T1C_H" },
{ 0x0306, 0, "VIA_T1L_L" , "VIA_T1L\x16", "VIA_T1L_L" },
{ 0x0307, 0, "VIA_T1L_H" , "VIA_T1L\x16", "VIA_T1L_H" },
{ 0x0308, 0, "VIA_T2C_L" , "VIA_T2C\x16", "VIA_T2C_L" },
{ 0x0309, 0, "VIA_T2C_H" , "VIA_T2C\x16", "VIA_T2C_H" },
{ 0x030A, 0, "VIA_SR" , "VIA_SR" , "VIA_SR" },
{ 0x030B, 0, "VIA_ACR" , "VIA_ACR" , "VIA_ACR" },
{ 0x030C, 0, "VIA_PCR" , "VIA_PCR" , "VIA_PCR" },
{ 0x030D, 0, "VIA_IFR" , "VIA_IFR" , "VIA_IFR" },
{ 0x030E, 0, "VIA_IER" , "VIA_IER" , "VIA_IER" },
{ 0x030F, 0, "VIA_IORA2" , "VIA_IORA2" , "VIA_IORA2" },
{ 0x0310, 0, "WD17_COMMA\x16", "WD17_CO\x16", "WD17_COMMAND" },
{ 0x0311, 0, "WD17_TRACK\x16", "WD17_TR\x16", "WD17_TRACK" },
{ 0x0312, 0, "WD17_SECTO\x16", "WD17_SE\x16", "WD17_SECTOR" },
{ 0x0313, 0, "WD17_DATA" , "WD17_DA\x16", "WD17_DATA" },
{ 0x0314, 0, "MDSC_STATUS" , "MDSC_ST\x16", "MDSC_STATUS" },
{ 0x0318, 0, "MDSC_DRQ" , "MDSC_DR\x16", "MDSC_DRQ" },
{ 0x031c, 0, "ACIA_DATA" , "ACIA_DA\x16", "ACIA_DATA" },
{ 0x031d, 0, "ACIA_STATUS" , "ACIA_ST\x16", "ACIA_STATUS" },
{ 0x031e, 0, "ACIA_COMMA\x16", "ACIA_CO\x16", "ACIA_COMMAND" },
{ 0x031f, 0, "ACIA_CONTR\x16", "ACIA_CO\x16", "ACIA_CONTROL" },
{ 0x0320, 0, "VIA2_IORB" , "VIA2_IORB" , "VIA2_IORB" },
{ 0x0321, 0, "VIA2_IORA" , "VIA2_IORA" , "VIA2_IORA" },
{ 0x0322, 0, "VIA2_DDRB" , "VIA2_DDRB" , "VIA2_DDRB" },
{ 0x0323, 0, "VIA2_DDRA" , "VIA2_DDRA" , "VIA2_DDRA" },
{ 0x0324, 0, "VIA2_T1C_L" , "VIA2_T1\x16", "VIA2_T1C_L" },
{ 0x0325, 0, "VIA2_T1C_H" , "VIA2_T1\x16", "VIA2_T1C_H" },
{ 0x0326, 0, "VIA2_T1L_L" , "VIA2_T1\x16", "VIA2_T1L_L" },
{ 0x0327, 0, "VIA2_T1L_H" , "VIA2_T1\x16", "VIA2_T1L_H" },
{ 0x0328, 0, "VIA2_T2C_L" , "VIA2_T2\x16", "VIA2_T2C_L" },
{ 0x0329, 0, "VIA2_T2C_H" , "VIA2_T2\x16", "VIA2_T2C_H" },
{ 0x032A, 0, "VIA2_SR" , "VIA2_SR" , "VIA2_SR" },
{ 0x032B, 0, "VIA2_ACR" , "VIA2_ACR" , "VIA2_ACR" },
{ 0x032C, 0, "VIA2_PCR" , "VIA2_PCR" , "VIA2_PCR" },
{ 0x032D, 0, "VIA2_IFR" , "VIA2_IFR" , "VIA2_IFR" },
{ 0x032E, 0, "VIA2_IER" , "VIA2_IER" , "VIA2_IER" },
{ 0x032F, 0, "VIA2_IORA2" , "VIA2_IO\x16", "VIA2_IORA2" },
{ 0xc000, 0, "BankedArea" , "BankedA\x16", "BankedArea" } };
// 12345678901 12345678
static struct msym defsym_atmos[] = { { 0x0300, 0, "VIA_IORB" , "VIA_IORB" , "VIA_IORB" },
{ 0x0301, 0, "VIA_IORA" , "VIA_IORA" , "VIA_IORA" },
{ 0x0302, 0, "VIA_DDRB" , "VIA_DDRB" , "VIA_DDRB" },
{ 0x0303, 0, "VIA_DDRA" , "VIA_DDRA" , "VIA_DDRA" },
{ 0x0304, 0, "VIA_T1C_L" , "VIA_T1C\x16", "VIA_T1C_L" },
{ 0x0305, 0, "VIA_T1C_H" , "VIA_T1C\x16", "VIA_T1C_H" },
{ 0x0306, 0, "VIA_T1L_L" , "VIA_T1L\x16", "VIA_T1L_L" },
{ 0x0307, 0, "VIA_T1L_H" , "VIA_T1L\x16", "VIA_T1L_H" },
{ 0x0308, 0, "VIA_T2C_L" , "VIA_T2C\x16", "VIA_T2C_L" },
{ 0x0309, 0, "VIA_T2C_H" , "VIA_T2C\x16", "VIA_T2C_H" },
{ 0x030A, 0, "VIA_SR" , "VIA_SR" , "VIA_SR" },
{ 0x030B, 0, "VIA_ACR" , "VIA_ACR" , "VIA_ACR" },
{ 0x030C, 0, "VIA_PCR" , "VIA_PCR" , "VIA_PCR" },
{ 0x030D, 0, "VIA_IFR" , "VIA_IFR" , "VIA_IFR" },
{ 0x030E, 0, "VIA_IER" , "VIA_IER" , "VIA_IER" },
{ 0x030F, 0, "VIA_IORA2" , "VIA_IORA2" , "VIA_IORA2" },
{ 0xc000, SYMF_ROMDIS0, "ROMStart" , "ROMStart" , "ROMStart" },
{ 0xc000, SYMF_ROMDIS1, "Overlay" , "Overlay" , "Overlay" } };
enum
{
MSHOW_VIA=0,
MSHOW_VIA2,
MSHOW_AY,
MSHOW_DISK,
MSHOW_LAST
};
enum
{
CSHOW_CONSOLE=0,
CSHOW_DEBUG,
CSHOW_MWATCH,
CSHOW_LAST
};
static int mshow, cshow;
enum
{
REG_A=0,
REG_X,
REG_Y,
REG_PC,
REG_SP,
REG_VIA_PCR,
REG_VIA_ACR,
REG_VIA_SR,
REG_VIA_IFR,
REG_VIA_IER,
REG_VIA_IRA,
REG_VIA_ORA,
REG_VIA_DDRA,
REG_VIA_IRB,
REG_VIA_ORB,
REG_VIA_DDRB,
REG_VIA_T1L,
REG_VIA_T1C,
REG_VIA_T2L,
REG_VIA_T2C,
REG_VIA_CA1,
REG_VIA_CA2,
REG_VIA_CB1,
REG_VIA_CB2
};
enum
{
AM_IMP=0,
AM_IMM,
AM_ZP,
AM_ZPX,
AM_ZPY,
AM_ABS,
AM_ABX,
AM_ABY,
AM_ZIX,
AM_ZIY,
AM_REL,
AM_IND
};
#define AMF_IMP (1<<AM_IMP)
#define AMF_IMM (1<<AM_IMM)
#define AMF_ZP (1<<AM_ZP)
#define AMF_ZPX (1<<AM_ZPX)
#define AMF_ZPY (1<<AM_ZPY)
#define AMF_ABS (1<<AM_ABS)
#define AMF_ABX (1<<AM_ABX)
#define AMF_ABY (1<<AM_ABY)
#define AMF_ZIX (1<<AM_ZIX)
#define AMF_ZIY (1<<AM_ZIY)
#define AMF_REL (1<<AM_REL)
#define AMF_IND (1<<AM_IND)
// imp imm zp zpx zpy abs abx aby zix ziy rel ind
static struct asminf asmtab[] = { { "BRK", 0x00, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "ORA", -1, 0x09, 0x05, 0x15, -1, 0x0d, 0x1d, 0x19, 0x01, 0x11, -1, -1 },
{ "ASL", 0x0a, -1, 0x06, 0x16, -1, 0x0e, 0x1e, -1, -1, -1, -1, -1 },
{ "PHP", 0x08, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "BPL", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0x10, -1 },
{ "CLC", 0x18, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "JSR", -1, -1, -1, -1, -1, 0x20, -1, -1, -1, -1, -1, -1 },
{ "AND", -1, 0x29, 0x25, 0x35, -1, 0x2d, 0x3d, 0x39, 0x21, 0x31, -1, -1 },
{ "BIT", -1, -1, 0x24, -1, -1, 0x2c, -1, -1, -1, -1, -1, -1 },
{ "ROL", 0x2a, -1, 0x26, 0x36, -1, 0x2e, 0x3e, -1, -1, -1, -1, -1 },
{ "PLP", 0x28, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "BMI", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0x30, -1 },
{ "SEC", 0x38, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "RTI", 0x40, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "EOR", -1, 0x49, 0x45, 0x55, -1, 0x4d, 0x5d, 0x59, 0x41, 0x51, -1, -1 },
{ "LSR", 0x4a, -1, 0x46, 0x56, -1, 0x4e, 0x5e, -1, -1, -1, -1, -1 },
{ "PHA", 0x48, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "JMP", -1, -1, -1, -1, -1, 0x4c, -1, -1, -1, -1, -1, 0x6c },
{ "BVC", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0x50, -1 },
{ "CLI", 0x58, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "RTS", 0x60, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "ADC", -1, 0x69, 0x65, 0x75, -1, 0x6d, 0x7d, 0x79, 0x61, 0x71, -1, -1 },
{ "ROR", 0x6a, -1, 0x66, 0x76, -1, 0x6e, 0x7e, -1, -1, -1, -1, -1 },
{ "PLA", 0x68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "BVS", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0x70, -1 },
{ "SEI", 0x78, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "STY", -1, -1, 0x84, 0x94, -1, 0x8c, -1, -1, -1, -1, -1, -1 },
{ "STA", -1, -1, 0x85, 0x95, -1, 0x8d, 0x9d, 0x99, 0x81, 0x91, -1, -1 },
{ "STX", -1, -1, 0x86, 0x96, -1, 0x8e, -1, -1, -1, -1, -1, -1 },
{ "DEY", 0x88, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "TXA", 0x8a, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "BCC", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0x90, -1 },
{ "TYA", 0x98, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "TXS", 0x9a, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "LDY", -1, 0xa0, 0xa4, 0xb4, -1, 0xac, 0xbc, -1, -1, -1, -1, -1 },
{ "LDA", -1, 0xa9, 0xa5, 0xb5, -1, 0xad, 0xbd, 0xb9, 0xa1, 0xb1, -1, -1 },
{ "LDX", -1, 0xa2, 0xa6, -1, 0xb6, 0xae, -1, 0xbe, -1, -1, -1, -1 },
{ "TAY", 0xa8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "TAX", 0xaa, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "BCS", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0xb0, -1 },
{ "CLV", 0xb8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "TSX", 0xba, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "CPY", -1, 0xc0, 0xc4, -1, -1, 0xcc, -1, -1, -1, -1, -1, -1 },
{ "CMP", -1, 0xc9, 0xc5, 0xd5, -1, 0xcd, 0xdd, 0xd9, 0xc1, 0xd1, -1, -1 },
{ "DEC", -1, -1, 0xc6, 0xd6, -1, 0xce, 0xde, -1, 0xc1, -1, -1, -1 },
{ "INY", 0xc8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "DEX", 0xca, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "BNE", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0xd0, -1 },
{ "CLD", 0xd8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "CPX", -1, 0xe0, 0xe4, -1, -1, 0xec, -1, -1, -1, -1, -1, -1 },
{ "SBC", -1, 0xe9, 0xe5, 0xf5, -1, 0xed, 0xfd, 0xf9, 0xe1, 0xf1, -1, -1 },
{ "INC", -1, -1, 0xe6, 0xf6, -1, 0xee, 0xfe, -1, -1, -1, -1, -1 },
{ "INX", 0xe8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "NOP", 0xea, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "BEQ", -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0xf0, -1 },
{ "SED", 0xf8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
// Illegal opcodes
// imp imm zp zpx zpy abs abx aby zix ziy rel ind
{ "ANC", -1, 0x0b, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "SAX", -1, -1, 0x87, -1, 0x97, 0x8f, -1, -1, 0x83, -1, -1, -1 },
{ "ARR", -1, 0x6b, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "ALR", -1, 0x4b, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "LAX", -1, 0xab, 0xa7, -1, 0xb7, 0xaf, -1, 0xbf, 0xa3, 0xb3, -1, -1 },
{ "AHX", -1, -1, -1, -1, -1, -1, -1, 0x9f, -1, 0x93, -1, -1 },
{ "AXS", -1, 0xcb, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "DCP", -1, -1, 0xc7, 0xd7, -1, 0xcf, 0xdf, 0xdb, 0xc3, 0xd3, -1, -1 },
{ "DOP", -1, 0x80, 0x04, 0x14, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "ISC", -1, -1, 0xe7, 0xf7, -1, 0xef, 0xff, 0xfb, 0xe3, 0xf3, -1, -1 },
{ "JAM", 0x02, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "LAS", -1, -1, -1, -1, -1, -1, -1, 0xbb, -1, -1, -1, -1 },
{ "RLA", -1, -1, 0x27, 0x37, -1, 0x2f, 0x3f, 0x3b, 0x23, 0x33, -1, -1 },
{ "RRA", -1, -1, 0x67, 0x77, -1, 0x6f, 0x7f, 0x7b, 0x63, 0x73, -1, -1 },
{ "SLO", -1, -1, 0x07, 0x17, -1, 0x0f, 0x1f, 0x1b, 0x03, 0x13, -1, -1 },
{ "SRE", -1, -1, 0x47, 0x57, -1, 0x4f, 0x5f, 0x5b, 0x43, 0x53, -1, -1 },
{ "SHX", -1, -1, -1, -1, -1, -1, -1, 0x9e, -1, -1, -1, -1 },
{ "SHY", -1, -1, -1, -1, -1, -1, 0x9c, -1, -1, -1, -1, -1 },
{ "TOP", -1, -1, -1, -1, -1, 0x0c, 0x1c, -1, -1, -1, -1, -1 },
{ "XAA", -1, 0x8b, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ "TAS", -1, 0x9b, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ NULL, } };
static struct disinf distab[] = { { "BRK", AM_IMM }, // 00
{ "ORA", AM_ZIX }, // 01
{ "JAM", AM_IMP }, // 02 (illegal)
{ "SLO", AM_ZIX }, // 03 (illegal)
{ "DOP", AM_ZP }, // 04 (illegal)
{ "ORA", AM_ZP }, // 05
{ "ASL", AM_ZP }, // 06
{ "SLO", AM_ZP }, // 07 (illegal)
{ "PHP", AM_IMP }, // 08
{ "ORA", AM_IMM }, // 09
{ "ASL", AM_IMP }, // 0A
{ "ANC", AM_IMM }, // 0B (illegal)
{ "TOP", AM_IMP }, // 0C (illegal)
{ "ORA", AM_ABS }, // 0D
{ "ASL", AM_ABS }, // 0E
{ "SLO", AM_ABS }, // 0F (illegal)
{ "BPL", AM_REL }, // 10
{ "ORA", AM_ZIY }, // 11
{ "JAM", AM_IMP }, // 12 (illegal)
{ "SLO", AM_ZIY }, // 13 (illegal)
{ "DOP", AM_ZPX }, // 14 (illegal)
{ "ORA", AM_ZPX }, // 15
{ "ASL", AM_ZPX }, // 16
{ "SLO", AM_ZPX }, // 17 (illegal)
{ "CLC", AM_IMP }, // 18
{ "ORA", AM_ABY }, // 19
{ "NOP", AM_IMP }, // 1A (illegal)
{ "SLO", AM_ABY }, // 1B (illegal)
{ "TOP", AM_ABX }, // 1C (illegal)
{ "ORA", AM_ABX }, // 1D
{ "ASL", AM_ABX }, // 1E
{ "SLO", AM_IMP }, // 1F (illegal)
{ "JSR", AM_ABS }, // 20
{ "AND", AM_ZIX }, // 21
{ "JAM", AM_IMP }, // 22 (illegal)
{ "RLA", AM_ZIX }, // 23 (illegal)
{ "BIT", AM_ZP }, // 24
{ "AND", AM_ZP }, // 25
{ "ROL", AM_ZP }, // 26
{ "RLA", AM_ZP }, // 27 (illegal)
{ "PLP", AM_IMP }, // 28
{ "AND", AM_IMM }, // 29
{ "ROL", AM_IMP }, // 2A
{ "ANC", AM_IMP }, // 2B (illegal)
{ "BIT", AM_ABS }, // 2C
{ "AND", AM_ABS }, // 2D
{ "ROL", AM_ABS }, // 2E
{ "RLA", AM_ABS }, // 2F (illegal)
{ "BMI", AM_REL }, // 30
{ "AND", AM_ZIY }, // 31
{ "JAM", AM_IMP }, // 32 (illegal)
{ "RLA", AM_ZIY }, // 33 (illegal)
{ "DOP", AM_ZPX }, // 34 (illegal)
{ "AND", AM_ZPX }, // 35
{ "ROL", AM_ZPX }, // 36
{ "RLA", AM_ZPX }, // 37 (illegal)
{ "SEC", AM_IMP }, // 38
{ "AND", AM_ABY }, // 39
{ "NOP", AM_IMP }, // 3A (illegal)
{ "RLA", AM_ABY }, // 3B (illegal)
{ "TOP", AM_ABX }, // 3C (illegal)
{ "AND", AM_ABX }, // 3D
{ "ROL", AM_ABX }, // 3E
{ "RLA", AM_ABX }, // 3F (illegal)
{ "RTI", AM_IMP }, // 40
{ "EOR", AM_ZIX }, // 41
{ "JAM", AM_IMP }, // 42 (illegal)
{ "SRE", AM_ZIX }, // 43 (illegal)
{ "DOP", AM_ZP }, // 44 (illegal)
{ "EOR", AM_ZP }, // 45
{ "LSR", AM_ZP }, // 46
{ "SRE", AM_ZP }, // 47 (illegal)
{ "PHA", AM_IMP }, // 48
{ "EOR", AM_IMM }, // 49
{ "LSR", AM_IMP }, // 4A
{ "ALR", AM_IMM }, // 4B (illegal)
{ "JMP", AM_ABS }, // 4C
{ "EOR", AM_ABS }, // 4D
{ "LSR", AM_ABS }, // 4E
{ "SRE", AM_ABS }, // 4F (illegal)
{ "BVC", AM_REL }, // 50
{ "EOR", AM_ZIY }, // 51
{ "JAM", AM_IMP }, // 52 (illegal)
{ "SRE", AM_ZIY }, // 53 (illegal)
{ "DOP", AM_ZPX }, // 54 (illegal)
{ "EOR", AM_ZPX }, // 55
{ "LSR", AM_ZPX }, // 56
{ "SRE", AM_ZPX }, // 57 (illegal)
{ "CLI", AM_IMP }, // 58
{ "EOR", AM_ABY }, // 59
{ "NOP", AM_IMP }, // 5A (illegal)
{ "SRE", AM_ABY }, // 5B (illegal)
{ "TOP", AM_ABX }, // 5C (illegal)
{ "EOR", AM_ABX }, // 5D
{ "LSR", AM_ABX }, // 5E
{ "SRE", AM_ABX }, // 5F (illegal)
{ "RTS", AM_IMP }, // 60
{ "ADC", AM_ZIX }, // 61
{ "JAM", AM_IMP }, // 62 (illegal)
{ "RRA", AM_ZIX }, // 63 (illegal)
{ "DOP", AM_IMP }, // 64 (illegal)
{ "ADC", AM_ZP }, // 65
{ "ROR", AM_ZP }, // 66
{ "RRA", AM_ZP }, // 67 (illegal)
{ "PLA", AM_IMP }, // 68
{ "ADC", AM_IMM }, // 69
{ "ROR", AM_IMP }, // 6A
{ "ARR", AM_IMM }, // 6B (illegal)
{ "JMP", AM_IND }, // 6C
{ "ADC", AM_ABS }, // 6D
{ "ROR", AM_ABS }, // 6E
{ "RRA", AM_ABS }, // 6F (illegal)
{ "BVS", AM_REL }, // 70
{ "ADC", AM_ZIY }, // 71
{ "JAM", AM_IMP }, // 72 (illegal)
{ "RRA", AM_ZIY }, // 73 (illegal)
{ "DOP", AM_ZPX }, // 74 (illegal)
{ "ADC", AM_ZPX }, // 75
{ "ROR", AM_ZPX }, // 76
{ "RRA", AM_ZPX }, // 77
{ "SEI", AM_IMP }, // 78
{ "ADC", AM_ABY }, // 79
{ "NOP", AM_IMP }, // 7A (illegal)
{ "RRA", AM_ABY }, // 7B (illegal)
{ "TOP", AM_ABX }, // 7C (illegal)
{ "ADC", AM_ABX }, // 7D
{ "ROR", AM_ABX }, // 7E
{ "RRA", AM_ABX }, // 7F (illegal)
{ "DOP", AM_IMM }, // 80 (illegal)
{ "STA", AM_ZIX }, // 81
{ "DOP", AM_IMM }, // 82 (illegal)
{ "SAX", AM_ZIX }, // 83 (illegal)
{ "STY", AM_ZP }, // 84
{ "STA", AM_ZP }, // 85
{ "STX", AM_ZP }, // 86
{ "SAX", AM_ZP }, // 87 (illegal)
{ "DEY", AM_IMP }, // 88
{ "DOP", AM_IMM }, // 89 (illegal)
{ "TXA", AM_IMP }, // 8A
{ "XAA", AM_IMM }, // 8B (illegal, unstable)
{ "STY", AM_ABS }, // 8C
{ "STA", AM_ABS }, // 8D
{ "STX", AM_ABS }, // 8E
{ "SAX", AM_ABS }, // 8F (illegal)
{ "BCC", AM_REL }, // 90
{ "STA", AM_ZIY }, // 91
{ "JAM", AM_IMP }, // 92 (illegal)
{ "AHX", AM_ZIY }, // 93 (illegal, unstable)
{ "STY", AM_ZPX }, // 94
{ "STA", AM_ZPX }, // 95
{ "STX", AM_ZPY }, // 96
{ "SAX", AM_ZPY }, // 97 (illegal)
{ "TYA", AM_IMP }, // 98
{ "STA", AM_ABY }, // 99
{ "TXS", AM_IMP }, // 9A
{ "TAS", AM_IMM }, // 9B (illegal0
{ "SHY", AM_ABY }, // 9C (illegal, unstable)
{ "STA", AM_ABX }, // 9D
{ "SHX", AM_ABX }, // 9E (illegal, unstable)
{ "AHX", AM_ABY }, // 9F (illegal, unstable)
{ "LDY", AM_IMM }, // A0
{ "LDA", AM_ZIX }, // A1
{ "LDX", AM_IMM }, // A2
{ "LAX", AM_ZIX }, // A3 (illegal)
{ "LDY", AM_ZP }, // A4
{ "LDA", AM_ZP }, // A5
{ "LDX", AM_ZP }, // A6
{ "LAX", AM_ZP }, // A7 (illegal)
{ "TAY", AM_IMP }, // A8
{ "LDA", AM_IMM }, // A9
{ "TAX", AM_IMP }, // AA
{ "LAX", AM_IMM }, // AB (illegal, unstable)
{ "LDY", AM_ABS }, // AC
{ "LDA", AM_ABS }, // AD
{ "LDX", AM_ABS }, // AE
{ "LAX", AM_ABS }, // AF (illegal)
{ "BCS", AM_REL }, // B0
{ "LDA", AM_ZIY }, // B1
{ "JAM", AM_IMP }, // B2 (illegal)
{ "LAX", AM_ZIY }, // B3 (illegal)
{ "LDY", AM_ZPX }, // B4
{ "LDA", AM_ZPX }, // B5
{ "LDX", AM_ZPY }, // B6
{ "LAX", AM_ZPY }, // B7 (illegal)
{ "CLV", AM_IMP }, // B8
{ "LDA", AM_ABY }, // B9
{ "TSX", AM_IMP }, // BA
{ "LAS", AM_IMP }, // BB (illegal)
{ "LDY", AM_ABX }, // BC
{ "LDA", AM_ABX }, // BD
{ "LDX", AM_ABY }, // BE
{ "LAX", AM_ABY }, // BF (illegal)
{ "CPY", AM_IMM }, // C0
{ "CMP", AM_ZIX }, // C1
{ "DOP", AM_IMP }, // C2 (illegal)
{ "DCP", AM_ZIX }, // C3 (illegal)
{ "CPY", AM_ZP }, // C4
{ "CMP", AM_ZP }, // C5
{ "DEC", AM_ZP }, // C6
{ "DCP", AM_ZP }, // C7 (illegal)
{ "INY", AM_IMP }, // C8
{ "CMP", AM_IMM }, // C9
{ "DEX", AM_IMP }, // CA
{ "AXS", AM_IMM }, // CB (illegal)
{ "CPY", AM_ABS }, // CC
{ "CMP", AM_ABS }, // CD
{ "DEC", AM_ABS }, // CE
{ "DCP", AM_ABS }, // CF (illegal)
{ "BNE", AM_REL }, // D0
{ "CMP", AM_ZIY }, // D1
{ "JAM", AM_IMP }, // D2 (illegal)
{ "DCP", AM_ZIY }, // D3 (illegal)
{ "DOP", AM_ZPX }, // D4 (illegal)
{ "CMP", AM_ZPX }, // D5
{ "DEC", AM_ZPX }, // D6
{ "DCP", AM_ZPX }, // D7 (illegal)
{ "CLD", AM_IMP }, // D8
{ "CMP", AM_ABY }, // D9
{ "NOP", AM_IMP }, // DA (illegal)
{ "DCP", AM_ABY }, // DB (illegal)
{ "TOP", AM_ABX }, // DC (illegal)
{ "CMP", AM_ABX }, // DD
{ "DEC", AM_ABX }, // DE
{ "DCP", AM_ABX }, // DF (illegal)
{ "CPX", AM_IMM }, // E0
{ "SBC", AM_ZIX }, // E1
{ "DOP", AM_IMM }, // E2 (illegal)
{ "ISC", AM_ZIX }, // E3 (illegal)
{ "CPX", AM_ZP }, // E4
{ "SBC", AM_ZP }, // E5
{ "INC", AM_ZP }, // E6
{ "ISC", AM_ZP }, // E7 (illegal)
{ "INX", AM_IMP }, // E8
{ "SBC", AM_IMM }, // E9
{ "NOP", AM_IMP }, // EA
{ "SBC", AM_IMM }, // EB (illegal)
{ "CPX", AM_ABS }, // EC
{ "SBC", AM_ABS }, // ED
{ "INC", AM_ABS }, // EE
{ "ISC", AM_ABS }, // EF (illegal)
{ "BEQ", AM_REL }, // F0
{ "SBC", AM_ZIY }, // F1
{ "JAM", AM_IMP }, // F2 (illegal)
{ "ISC", AM_ZIY }, // F3 (illegal)
{ "DOP", AM_ZPX }, // F4 (illegal)
{ "SBC", AM_ZPX }, // F5
{ "INC", AM_ZPX }, // F6
{ "ISC", AM_ZPX }, // F7 (illegal)
{ "SED", AM_IMP }, // F8
{ "SBC", AM_ABY }, // F9
{ "NOP", AM_IMP }, // FA (illegal)
{ "ISC", AM_ABY }, // FB (illegal)
{ "TOP", AM_ABX }, // FC (illegal)
{ "SBC", AM_ABX }, // FD
{ "INC", AM_ABX }, // FE
{ "ISC", AM_ABX } };// FF (illegal)
SDL_bool isws( char c )
{
if( ( c == 9 ) || ( c == 32 ) ) return SDL_TRUE;
return SDL_FALSE;
}
SDL_bool isbin( char c )
{
if( ( c >= '0' ) && ( c <= '1' ) ) return SDL_TRUE;
return SDL_FALSE;
}
SDL_bool isnum( char c )
{
if( ( c >= '0' ) && ( c <= '9' ) ) return SDL_TRUE;
return SDL_FALSE;
}
SDL_bool ishex( char c )
{
if( isnum( c ) ) return SDL_TRUE;
if( ( c >= 'a' ) && ( c <= 'f' ) ) return SDL_TRUE;
if( ( c >= 'A' ) && ( c <= 'F' ) ) return SDL_TRUE;
return SDL_FALSE;
}
SDL_bool isalph( char c )
{
if( ( c >= 'a' ) && ( c <= 'z' ) ) return SDL_TRUE;
if( ( c >= 'A' ) && ( c <= 'Z' ) ) return SDL_TRUE;
return SDL_FALSE;
}
SDL_bool issymstart( char c )
{
if( isalph( c ) ) return SDL_TRUE;
if( c == '_' ) return SDL_TRUE;
return SDL_FALSE;
}
SDL_bool issymchar( char c )
{
if( issymstart( c ) ) return SDL_TRUE;
if( isnum( c ) ) return SDL_TRUE;
return SDL_FALSE;
}
int hexit( char c )
{
if( isnum( c ) ) return c-'0';
if( ( c >= 'a' ) && ( c <= 'f' ) ) return c-('a'-10);
if( ( c >= 'A' ) && ( c <= 'F' ) ) return c-('A'-10);
return -1;
}
static int bp_at( struct machine *oric, unsigned short addr, int *xbp, int *mbp )
{
int bpmask = 0, i;
if( xbp ) *xbp = -1;
if( mbp ) *mbp = -1;
oric->cpu.anybp = SDL_FALSE;
for( i=0; i<16; i++ )
{
if( oric->cpu.breakpoints[i] != -1 )
{
oric->cpu.anybp = SDL_TRUE;
if( addr == oric->cpu.breakpoints[i] )
{
bpmask |= 8;
if( xbp ) *xbp = i;
break;
}
}
}
oric->cpu.anymbp = SDL_FALSE;
for( i=0; i<16; i++ )
{
if( oric->cpu.membreakpoints[i].flags )
{
oric->cpu.anymbp = SDL_TRUE;
if( oric->cpu.membreakpoints[i].addr == addr )
{
bpmask |= oric->cpu.membreakpoints[i].flags;
if( mbp ) *mbp = i;
break;
}
}
}
return bpmask;
}
// Don't mess with registers that change because you read them!
unsigned char mon_read( struct machine *oric, unsigned short addr )
{
// microdisc registers could screw things up
if( oric->drivetype == DRV_MICRODISC )
{
switch( addr )
{
case 0x310:
return oric->wddisk.r_status;
case 0x311:
return oric->wddisk.r_track;
case 0x312:
return oric->wddisk.r_sector;
case 0x313:
return oric->wddisk.r_data;
case 0x314:
return oric->md.intrq|0x7f;
case 0x318:
return oric->md.drq|0x7f;
}
}
if( oric->drivetype == DRV_PRAVETZ )
{
if ( ( 0x300 <= addr ) && ( addr <= 0x30f ) )
{
return via_mon_read( &oric->via, addr );
}
if ( ( 0x310 <= addr ) && ( addr <= 0x31f ) )
{
return 0xFF;
}
return oric->cpu.read( &oric->cpu, addr );
}
if( ( addr & 0xff00 ) == 0x0300 )
{
if ( ( !oric->lightpen ) || ( addr < 0x3e0 ) || ( addr > 0x3e1 ) )
{
return via_mon_read( &oric->via, addr );
}
}
return oric->cpu.read( &oric->cpu, addr );
}
void mon_store_state( struct machine *oric )
{
int k;
for( k=0; k<65536; k++ )
{
if( isram( oric, k ) )
mwatch_old[k] = mon_read( oric, k );
}
mwatch_oldvalid = SDL_TRUE;
cpu_old = oric->cpu;
vidraster_old = oric->vid_raster;
frames_old = oric->frames;
cpu_oldvalid = SDL_TRUE;
ay_old = oric->ay;
ay_oldvalid = SDL_TRUE;
via_old = oric->via;
via_oldvalid = SDL_TRUE;
via2_old = oric->tele_via;
via2_oldvalid = SDL_TRUE;
}
void mon_set_modified( struct machine *oric )
{
if( modified ) return;
modified = SDL_TRUE;
mon_store_state( oric );
}
void dbg_scroll( void )
{
int x, y, s, d;
struct textzone *ptz = tz[TZ_DEBUG];
s = ptz->w*2+1;
d = ptz->w+1;
for( y=0; y<18; y++ )
{
for( x=0; x<48; x++ )
{
ptz->tx[d] = ptz->tx[s];
ptz->fc[d] = ptz->fc[s];
ptz->bc[d++] = ptz->bc[s++];
}
d += 2;
s += 2;
}
for( x=0; x<48; x++ )
{
ptz->tx[d] = ' ';
ptz->fc[d] = 2;
ptz->bc[d++] = 3;
}
}
void dbg_printf( char *fmt, ... )
{
va_list ap;
dbg_scroll();
va_start( ap, fmt );
if( vsnprintf( vsptmp, VSPTMPSIZE, fmt, ap ) != -1 )
{
vsptmp[VSPTMPSIZE-1] = 0;
#if LOG_DEBUG
if( debug_logfile )
{
fprintf( debug_logfile, "%s\n", vsptmp );
fflush( debug_logfile );
}
#endif
vsptmp[48] = 0;
tzstrpos( tz[TZ_DEBUG], 1, 19, vsptmp );
}
va_end( ap );
}
struct msym *mon_tab_find_sym_by_addr( struct symboltable *stab, struct machine *oric, unsigned short addr, SDL_bool *override_romdis )
{
int i, j, k;
SDL_bool romdis;
romdis = oric->romdis;
if( ( oric->drivetype == DRV_JASMIN ) && ( oric->jasmin.olay ) )
romdis = SDL_FALSE;
if (override_romdis)
romdis = *override_romdis;
for( i=0; i<stab->numsyms; i++ )
{
if( oric->type == MACH_TELESTRAT )
{
if( stab->syms[i].addr >= 0xc000 )
{
for( j=0, k=SYMF_TELEBANK0; j<8; j++, k<<=1 )
{
if( ((stab->syms[i].flags&k)==0) && ( oric->tele_currbank == j ) )
break;
}
if( j != 8 ) continue;
}
} else {
if( stab->syms[i].flags&SYMF_MICRODISC )
{
if( ( oric->drivetype != DRV_MICRODISC ) || ( !oric->md.diskrom ) )
continue;
}
if( (stab->syms[i].flags&SYMF_JASMIN) && ( oric->drivetype != DRV_JASMIN ) )
continue;
if( romdis )
{
if( (stab->syms[i].flags&SYMF_ROMDIS0) != 0 )
continue;
} else {
if( (stab->syms[i].flags&SYMF_ROMDIS1) != 0 )
continue;
}
}
if( addr == stab->syms[i].addr )
return &stab->syms[i];
}
return NULL;
}
struct msym *mon_tab_find_sym_by_name( struct symboltable *stab, struct machine *oric, char *name, int *symnum )
{
int i, j, k, romdis;
romdis = oric->romdis;
if( ( oric->drivetype == DRV_JASMIN ) && ( oric->jasmin.olay ) )
romdis = 1;
for( i=0; i<stab->numsyms; i++ )
{
if( oric->type == MACH_TELESTRAT )
{
if( stab->syms[i].addr >= 0xc000 )
{
for( j=0, k=SYMF_TELEBANK0; j<8; j++, k<<=1 )
{
if( ((stab->syms[i].flags&k)==0) && ( oric->tele_currbank == j ) )
break;
}
if( j != 8 ) continue;
}
} else {
if( stab->syms[i].flags&SYMF_MICRODISC )
{
if( ( oric->drivetype != DRV_MICRODISC ) || ( !oric->md.diskrom ) )
continue;
}
if( (stab->syms[i].flags&SYMF_JASMIN) && ( oric->drivetype != DRV_JASMIN ) )
continue;
if( romdis )
{
if( (stab->syms[i].flags&SYMF_ROMDIS0) != 0 )
continue;
} else {
if( (stab->syms[i].flags&SYMF_ROMDIS1) != 0 )
continue;
}
}
if( !oric->symbolscase )
{
if( strcasecmp( name, stab->syms[i].name ) == 0 )
{
if( symnum ) (*symnum) = i;
return &stab->syms[i];
}
} else {
if( strcmp( name, stab->syms[i].name ) == 0 )
{
if( symnum ) (*symnum) = i;
return &stab->syms[i];
}
}
}
if( symnum ) (*symnum) = -1;
return NULL;
}
struct msym *mon_find_sym_by_addr( struct machine *oric, unsigned short addr, SDL_bool *override_romdis )
{
struct msym *ret;
ret = mon_tab_find_sym_by_addr( &oric->usersyms, oric, addr, override_romdis );
if( !ret ) ret = mon_tab_find_sym_by_addr( &oric->romsyms, oric, addr, override_romdis );
if( ( !ret ) && ( oric->type == MACH_TELESTRAT ) ) ret = mon_tab_find_sym_by_addr( &oric->tele_banksyms[oric->tele_currbank], oric, addr, override_romdis );
if( ( !ret ) && ( oric->disksyms ) ) ret = mon_tab_find_sym_by_addr( oric->disksyms, oric, addr, override_romdis );
if( ret ) return ret;
return mon_tab_find_sym_by_addr( &defaultsyms, oric, addr, override_romdis );
}
struct msym *mon_find_sym_by_name( struct machine *oric, char *name )
{
struct msym *ret;
ret = mon_tab_find_sym_by_name( &oric->usersyms, oric, name, NULL );
if( !ret ) ret = mon_tab_find_sym_by_name( &oric->romsyms, oric, name, NULL );
if( ( !ret ) && ( oric->type == MACH_TELESTRAT ) ) ret = mon_tab_find_sym_by_name( &oric->tele_banksyms[oric->tele_currbank], oric, name, NULL );
if( ( !ret ) && ( oric->disksyms ) ) ret = mon_tab_find_sym_by_name( oric->disksyms, oric, name, NULL );
if( ret ) return ret;
return mon_tab_find_sym_by_name( &defaultsyms, oric, name, NULL );
}
SDL_bool mon_addsym( struct symboltable *stab, unsigned short addr, unsigned short flags, char *name, struct msym **symptr )
{
int i;
if( symptr ) (*symptr) = NULL;
// Is it a dynamic symbol table?
if( stab->symspace == -1 ) return SDL_FALSE;
if( ( !stab->syms ) || ( stab->symspace < (stab->numsyms+1) ) )
{
struct msym *newbuf;
newbuf = malloc( sizeof( struct msym ) * (stab->symspace+64) );
if( !newbuf ) return SDL_FALSE;
if( ( stab->syms ) && ( stab->numsyms > 0 ) )
memcpy( newbuf, stab->syms, sizeof( struct msym ) * stab->numsyms );
free( stab->syms );
stab->syms = newbuf;
stab->symspace += 64;
for( i=stab->numsyms; i<stab->symspace; i++ )
stab->syms[i].name = NULL;
}
if( !stab->syms[stab->numsyms].name )
{
stab->syms[stab->numsyms].name = malloc( 128 );
if( !stab->syms[stab->numsyms].name ) return SDL_FALSE;
}
stab->syms[stab->numsyms].addr = addr;