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debug.cpp
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/*
* UAE - The Un*x Amiga Emulator
*
* Debugger
*
* (c) 1995 Bernd Schmidt
* (c) 2006 Toni Wilen
*
*/
#include "sysconfig.h"
#include "sysdeps.h"
#include <ctype.h>
#include <signal.h>
#include "options.h"
#include "uae.h"
#include "memory.h"
#include "custom.h"
#include "newcpu.h"
#include "cpu_prefetch.h"
#include "debug.h"
#include "disasm.h"
#include "debugmem.h"
#include "cia.h"
#include "xwin.h"
#include "identify.h"
#include "audio.h"
#include "sounddep/sound.h"
#include "disk.h"
#include "savestate.h"
#include "autoconf.h"
#include "akiko.h"
#include "inputdevice.h"
#include "crc32.h"
#include "cpummu.h"
#include "rommgr.h"
#include "inputrecord.h"
#include "calc.h"
#include "cpummu.h"
#include "cpummu030.h"
#include "ar.h"
#ifdef WITH_PCI
#include "pci.h"
#endif
#ifdef WITH_PPC
#include "ppc/ppcd.h"
#include "uae/io.h"
#include "uae/ppc.h"
#endif
#include "drawing.h"
#include "devices.h"
#include "blitter.h"
#include "ini.h"
#include "readcpu.h"
#include "cputbl.h"
#include "keybuf.h"
static int trace_mode;
static uae_u32 trace_param[3];
int debugger_active;
static int debug_rewind;
static int memwatch_triggered;
static int inside_debugger;
int debugger_used;
int memwatch_access_validator;
int memwatch_enabled;
int debugging;
int exception_debugging;
int no_trace_exceptions;
int debug_copper = 0;
int debug_dma = 0, debug_heatmap = 0;
static uae_u32 debug_sprite_mask_val = 0xff;
uae_u32 debug_sprite_mask = 0xffffffff;
int debug_illegal = 0;
uae_u64 debug_illegal_mask;
static int debug_mmu_mode;
static bool break_if_enforcer;
static uaecptr debug_pc;
static int trace_cycles;
static int last_hpos1, last_hpos2;
static int last_vpos1, last_vpos2;
static int last_frame = -1;
static evt_t last_cycles1, last_cycles2;
static uaecptr processptr;
static uae_char *processname;
static uaecptr debug_copper_pc;
extern int audio_channel_mask;
extern int inputdevice_logging;
static void debug_cycles(int mode)
{
trace_cycles = mode;
last_cycles2 = get_cycles();
last_vpos2 = vpos;
last_hpos2 = current_hpos();
}
void deactivate_debugger (void)
{
inside_debugger = 0;
debugger_active = 0;
debugging = 0;
exception_debugging = 0;
processptr = 0;
xfree (processname);
processname = NULL;
debugmem_enable();
debug_pc = 0xffffffff;
keybuf_ignore_next_release();
deactivate_console();
}
void activate_debugger (void)
{
disasm_init();
if (isfullscreen() > 0)
return;
debugger_load_libraries();
open_console();
debugger_used = 1;
inside_debugger = 1;
debug_pc = 0xffffffff;
trace_mode = 0;
if (debugger_active) {
// already in debugger but some break point triggered
// during disassembly etc..
return;
}
debug_cycles(1);
debugger_active = 1;
set_special (SPCFLAG_BRK);
debugging = 1;
mmu_triggered = 0;
debugmem_disable();
}
void activate_debugger_new(void)
{
activate_debugger();
debug_pc = M68K_GETPC;
}
void activate_debugger_new_pc(uaecptr pc, int len)
{
activate_debugger();
trace_mode = TRACE_RANGE_PC;
trace_param[0] = pc;
trace_param[1] = pc + len;
}
static void debug_continue(void)
{
set_special(SPCFLAG_BRK);
}
bool debug_enforcer(void)
{
if (!break_if_enforcer)
return false;
activate_debugger();
return true;
}
int firsthist = 0;
int lasthist = 0;
struct cpuhistory {
struct regstruct regs;
int fp, vpos, hpos;
};
static struct cpuhistory history[MAX_HIST];
static const TCHAR help[] = {
_T(" HELP for UAE Debugger\n")
_T(" -----------------------\n\n")
_T(" g [<address>] Start execution at the current address or <address>.\n")
_T(" c Dump state of the CIA, disk drives and custom registers.\n")
_T(" r Dump state of the CPU.\n")
_T(" r <reg> <value> Modify CPU registers (Dx,Ax,USP,ISP,VBR,...).\n")
_T(" rc[d] Show CPU instruction or data cache contents.\n")
_T(" m <address> [<lines>] Memory dump starting at <address>.\n")
_T(" a <address> Assembler.\n")
_T(" d <address> [<lines>] Disassembly starting at <address>.\n")
_T(" t [instructions] Step one or more instructions.\n")
_T(" tx Break when any exception.\n")
_T(" z Step through one instruction - useful for JSR, DBRA etc.\n")
_T(" f Step forward until PC in RAM (\"boot block finder\").\n")
_T(" f <address> [Nx] Add/remove breakpoint.\n")
_T(" fa <address> [<start>] [<end>]\n")
_T(" Find effective address <address>.\n")
_T(" fi Step forward until PC points to RTS, RTD or RTE.\n")
_T(" fi <opcode> [<w2>] [<w3>] Step forward until PC points to <opcode>.\n")
_T(" fp \"<name>\"/<addr> Step forward until process <name> or <addr> is active.\n")
_T(" fl List breakpoints.\n")
_T(" fd Remove all breakpoints.\n")
_T(" fs <lines to wait> | <vpos> <hpos> Wait n scanlines/position.\n")
_T(" fc <CCKs to wait> Wait n color clocks.\n")
_T(" fo <num> <reg> <oper> <val> [<mask> <val2>] Conditional register breakpoint [Nx] [Hx].\n")
_T(" reg=Dx,Ax,PC,USP,ISP,VBR,SR. oper:!=,==,<,>,>=,<=,-,!- (-=val to val2 range).\n")
_T(" f <addr1> <addr2> Step forward until <addr1> <= PC <= <addr2>.\n")
_T(" e[x] Dump contents of all custom registers, ea = AGA colors.\n")
_T(" i [<addr>] Dump contents of interrupt and trap vectors.\n")
_T(" il [<mask>] Exception breakpoint.\n")
_T(" o <0-2|addr> [<lines>]View memory as Copper instructions.\n")
_T(" od Enable/disable Copper vpos/hpos tracing.\n")
_T(" ot Copper single step trace.\n")
_T(" ob <addr> Copper breakpoint.\n")
_T(" H[H] <cnt> Show PC history (HH=full CPU info) <cnt> instructions.\n")
_T(" C <value> Search for values like energy or lifes in games.\n")
_T(" Cl List currently found trainer addresses.\n")
_T(" D[idxzs <[max diff]>] Deep trainer. i=new value must be larger, d=smaller,\n")
_T(" x = must be same, z = must be different, s = restart.\n")
_T(" W <addr> <values[.x] separated by space> Write into Amiga memory.\n")
_T(" W <addr> 'string' Write into Amiga memory.\n")
_T(" Wf <addr> <endaddr> <bytes or string like above>, fill memory.\n")
_T(" Wc <addr> <endaddr> <destaddr>, copy memory.\n")
_T(" w <num> <address> <length> <R/W/I> <F/C/L/N> [V<value>[.x]] (read/write/opcode) (freeze/mustchange/logonly/nobreak).\n")
_T(" Add/remove memory watchpoints.\n")
_T(" wd [<0-1>] Enable illegal access logger. 1 = enable break.\n")
_T(" L <file> <addr> [<n>] Load a block of Amiga memory.\n")
_T(" S <file> <addr> <n> Save a block of Amiga memory.\n")
_T(" s \"<string>\"/<values> [<addr>] [<length>]\n")
_T(" Search for string/bytes.\n")
_T(" T or Tt Show exec tasks and their PCs.\n")
_T(" Td,Tl,Tr,Tp,Ts,TS,Ti,TO,TM,Tf Show devs, libs, resources, ports, semaphores,\n")
_T(" residents, interrupts, doslist, memorylist, fsres.\n")
_T(" b Step to previous state capture position.\n")
_T(" M<a/b/s> <val> Enable or disable audio channels, bitplanes or sprites.\n")
_T(" sp <addr> [<addr2][<size>] Dump sprite information.\n")
_T(" di <mode> [<track>] Break on disk access. R=DMA read,W=write,RW=both,P=PIO.\n")
_T(" Also enables level 1 disk logging.\n")
_T(" did <log level> Enable disk logging.\n")
_T(" dj [<level bitmask>] Enable joystick/mouse input debugging.\n")
_T(" smc [<0-1>] Enable self-modifying code detector. 1 = enable break.\n")
_T(" dm Dump current address space map.\n")
_T(" v <vpos> [<hpos>] [<lines>]\n")
_T(" Show DMA data (accurate only in cycle-exact mode).\n")
_T(" v [-1 to -4] = enable visual DMA debugger.\n")
_T(" vh [<ratio> <lines>] \"Heat map\"\n")
_T(" I <custom event> Send custom event string\n")
_T(" ?<value> Hex ($ and 0x)/Bin (%)/Dec (!) converter and calculator.\n")
#ifdef _WIN32
_T(" x Close debugger.\n")
_T(" xx Switch between console and GUI debugger.\n")
_T(" mg <address> Memory dump starting at <address> in GUI.\n")
_T(" dg <address> Disassembly starting at <address> in GUI.\n")
#endif
_T(" q Quit the emulator. You don't want to use this command.\n\n")
};
void debug_help (void)
{
console_out (help);
}
struct mw_acc {
uae_u32 mask;
const TCHAR *name;
};
static const struct mw_acc memwatch_access_masks[] =
{
{ MW_MASK_ALL, _T("ALL") },
{ MW_MASK_NONE, _T("NONE") },
{ MW_MASK_ALL & ~(MW_MASK_CPU_I | MW_MASK_CPU_D_R | MW_MASK_CPU_D_W), _T("DMA") },
{ MW_MASK_BLITTER_A | MW_MASK_BLITTER_B | MW_MASK_BLITTER_C | MW_MASK_BLITTER_D_N | MW_MASK_BLITTER_D_L | MW_MASK_BLITTER_D_F, _T("BLT") },
{ MW_MASK_BLITTER_D_N | MW_MASK_BLITTER_D_L | MW_MASK_BLITTER_D_F, _T("BLTD") },
{ MW_MASK_AUDIO_0 | MW_MASK_AUDIO_1 | MW_MASK_AUDIO_2 | MW_MASK_AUDIO_3, _T("AUD") },
{ MW_MASK_BPL_0 | MW_MASK_BPL_1 | MW_MASK_BPL_2 | MW_MASK_BPL_3 |
MW_MASK_BPL_4 | MW_MASK_BPL_5 | MW_MASK_BPL_6 | MW_MASK_BPL_7, _T("BPL") },
{ MW_MASK_SPR_0 | MW_MASK_SPR_1 | MW_MASK_SPR_2 | MW_MASK_SPR_3 |
MW_MASK_SPR_4 | MW_MASK_SPR_5 | MW_MASK_SPR_6 | MW_MASK_SPR_7, _T("SPR") },
{ MW_MASK_CPU_I | MW_MASK_CPU_D_R | MW_MASK_CPU_D_W, _T("CPU") },
{ MW_MASK_CPU_D_R | MW_MASK_CPU_D_W, _T("CPUD") },
{ MW_MASK_CPU_I, _T("CPUI") },
{ MW_MASK_CPU_D_R, _T("CPUDR") },
{ MW_MASK_CPU_D_W, _T("CPUDW") },
{ MW_MASK_COPPER, _T("COP") },
{ MW_MASK_BLITTER_A, _T("BLTA") },
{ MW_MASK_BLITTER_B, _T("BLTB") },
{ MW_MASK_BLITTER_C, _T("BLTC") },
{ MW_MASK_BLITTER_D_N, _T("BLTDN") },
{ MW_MASK_BLITTER_D_L, _T("BLTDL") },
{ MW_MASK_BLITTER_D_F, _T("BLTDF") },
{ MW_MASK_DISK, _T("DSK") },
{ MW_MASK_AUDIO_0, _T("AUD0") },
{ MW_MASK_AUDIO_1, _T("AUD1") },
{ MW_MASK_AUDIO_2, _T("AUD2") },
{ MW_MASK_AUDIO_3, _T("AUD3") },
{ MW_MASK_BPL_0, _T("BPL0") },
{ MW_MASK_BPL_1, _T("BPL1") },
{ MW_MASK_BPL_2, _T("BPL2") },
{ MW_MASK_BPL_3, _T("BPL3") },
{ MW_MASK_BPL_4, _T("BPL4") },
{ MW_MASK_BPL_5, _T("BPL5") },
{ MW_MASK_BPL_6, _T("BPL6") },
{ MW_MASK_BPL_7, _T("BPL7") },
{ MW_MASK_SPR_0, _T("SPR0") },
{ MW_MASK_SPR_1, _T("SPR1") },
{ MW_MASK_SPR_2, _T("SPR2") },
{ MW_MASK_SPR_3, _T("SPR3") },
{ MW_MASK_SPR_4, _T("SPR4") },
{ MW_MASK_SPR_5, _T("SPR5") },
{ MW_MASK_SPR_6, _T("SPR6") },
{ MW_MASK_SPR_7, _T("SPR7") },
{ 0, NULL },
};
static void mw_help(void)
{
for (int i = 0; memwatch_access_masks[i].mask; i++) {
console_out_f(_T("%s "), memwatch_access_masks[i].name);
}
console_out_f(_T("\n"));
}
static int debug_linecounter;
#define MAX_LINECOUNTER 1000
static int debug_out (const TCHAR *format, ...)
{
va_list parms;
TCHAR buffer[4000];
va_start (parms, format);
_vsntprintf (buffer, 4000 - 1, format, parms);
va_end (parms);
console_out (buffer);
if (debug_linecounter < MAX_LINECOUNTER)
debug_linecounter++;
if (debug_linecounter >= MAX_LINECOUNTER)
return 0;
return 1;
}
uae_u32 get_byte_debug (uaecptr addr)
{
uae_u32 v = 0xff;
if (debug_mmu_mode) {
flagtype olds = regs.s;
regs.s = (debug_mmu_mode & 4) != 0;
TRY(p) {
if (currprefs.mmu_model == 68030) {
v = mmu030_get_generic (addr, debug_mmu_mode, sz_byte, MMU030_SSW_SIZE_B);
} else {
if (debug_mmu_mode & 1) {
bool odd = (addr & 1) != 0;
addr &= ~1;
v = mmu_get_iword(addr, sz_byte);
if (!odd)
v >>= 8;
else
v &= 0xff;
} else {
v = mmu_get_user_byte (addr, regs.s != 0, false, sz_byte, false);
}
}
} CATCH(p) {
} ENDTRY
regs.s = olds;
} else {
v = get_byte (addr);
}
return v;
}
uae_u32 get_word_debug (uaecptr addr)
{
uae_u32 v = 0xffff;
if (debug_mmu_mode) {
flagtype olds = regs.s;
regs.s = (debug_mmu_mode & 4) != 0;
TRY(p) {
if (currprefs.mmu_model == 68030) {
v = mmu030_get_generic (addr, debug_mmu_mode, sz_word, MMU030_SSW_SIZE_W);
} else {
if (debug_mmu_mode & 1) {
v = mmu_get_iword(addr, sz_word);
} else {
v = mmu_get_user_word (addr, regs.s != 0, false, sz_word, false);
}
}
} CATCH(p) {
} ENDTRY
regs.s = olds;
} else {
v = get_word (addr);
}
return v;
}
uae_u32 get_long_debug (uaecptr addr)
{
uae_u32 v = 0xffffffff;
if (debug_mmu_mode) {
flagtype olds = regs.s;
regs.s = (debug_mmu_mode & 4) != 0;
TRY(p) {
if (currprefs.mmu_model == 68030) {
v = mmu030_get_generic (addr, debug_mmu_mode, sz_long, MMU030_SSW_SIZE_L);
} else {
if (debug_mmu_mode & 1) {
v = mmu_get_ilong(addr, sz_long);
} else {
v = mmu_get_user_long (addr, regs.s != 0, false, sz_long, false);
}
}
} CATCH(p) {
} ENDTRY
regs.s = olds;
} else {
v = get_long (addr);
}
return v;
}
uae_u32 get_iword_debug (uaecptr addr)
{
if (debug_mmu_mode) {
return get_word_debug (addr);
} else {
if (valid_address (addr, 2))
return get_word (addr);
return 0xffff;
}
}
uae_u32 get_ilong_debug (uaecptr addr)
{
if (debug_mmu_mode) {
return get_long_debug (addr);
} else {
if (valid_address (addr, 4))
return get_long (addr);
return 0xffffffff;
}
}
uae_u8 *get_real_address_debug(uaecptr addr)
{
if (debug_mmu_mode) {
flagtype olds = regs.s;
TRY(p) {
if (currprefs.mmu_model >= 68040)
addr = mmu_translate(addr, 0, regs.s != 0, (debug_mmu_mode & 1), false, 0);
else
addr = mmu030_translate(addr, regs.s != 0, (debug_mmu_mode & 1), false);
} CATCH(p) {
} ENDTRY
}
return get_real_address(addr);
}
int debug_safe_addr (uaecptr addr, int size)
{
if (debug_mmu_mode) {
flagtype olds = regs.s;
regs.s = (debug_mmu_mode & 4) != 0;
TRY(p) {
if (currprefs.mmu_model >= 68040)
addr = mmu_translate (addr, 0, regs.s != 0, (debug_mmu_mode & 1), false, size);
else
addr = mmu030_translate (addr, regs.s != 0, (debug_mmu_mode & 1), false);
} CATCH(p) {
STOPTRY;
return 0;
} ENDTRY
regs.s = olds;
}
addrbank *ab = &get_mem_bank (addr);
if (!ab)
return 0;
if (ab->flags & ABFLAG_SAFE)
return 1;
if (!ab->check (addr, size))
return 0;
if (ab->flags & (ABFLAG_RAM | ABFLAG_ROM | ABFLAG_ROMIN | ABFLAG_SAFE))
return 1;
return 0;
}
static bool iscancel (int counter)
{
static int cnt;
cnt++;
if (cnt < counter)
return false;
cnt = 0;
if (!console_isch ())
return false;
console_getch ();
return true;
}
static bool isoperator(TCHAR **cp)
{
TCHAR c = _totupper(**cp);
TCHAR c1 = _totupper((*cp)[1]);
return c == '+' || c == '-' || c == '/' || c == '*' || c == '(' || c == ')' ||
c == '|' || c == '&' || c == '^' || c == '=' || c == '>' || c == '<' ||
(c == 'R' && (c1 == 'L' || c1 == 'W' || c1 == 'B'));
}
static void ignore_ws (TCHAR **c)
{
while (**c && _istspace(**c))
(*c)++;
}
static TCHAR peekchar (TCHAR **c)
{
return **c;
}
static TCHAR readchar (TCHAR **c)
{
TCHAR cc = **c;
(*c)++;
return cc;
}
static TCHAR next_char(TCHAR **c)
{
ignore_ws (c);
return *(*c)++;
}
static TCHAR next_char2(TCHAR **c)
{
return *(*c)++;
}
static TCHAR peek_next_char (TCHAR **c)
{
TCHAR *pc = *c;
return pc[1];
}
static int more_params(TCHAR **c)
{
ignore_ws(c);
return (**c) != 0;
}
static int more_params2(TCHAR **c)
{
return (**c) != 0;
}
static uae_u32 readint(TCHAR **c, bool *err);
static uae_u32 readbin(TCHAR **c, bool *err);
static uae_u32 readhex(TCHAR **c, bool *err);
static const TCHAR *debugoper[] = {
_T("=="),
_T("!="),
_T("<="),
_T(">="),
_T("<"),
_T(">"),
_T("-"),
_T("!-"),
NULL
};
static int getoperidx(TCHAR **c, bool *opersigned)
{
int i;
TCHAR *p = *c;
TCHAR tmp[10];
int extra = 0;
i = 0;
while (p[i]) {
tmp[i] = _totupper(p[i]);
if (i >= sizeof(tmp) / sizeof(TCHAR) - 1)
break;
i++;
}
tmp[i] = 0;
if (!_tcsncmp(tmp, _T("!="), 2)) {
(*c) += 2;
return BREAKPOINT_CMP_NEQUAL;
} else if (!_tcsncmp(tmp, _T("=="), 2)) {
(*c) += 2;
return BREAKPOINT_CMP_EQUAL;
} else if (!_tcsncmp(tmp, _T(">="), 2)) {
(*c) += 2;
return BREAKPOINT_CMP_LARGER_EQUAL;
} else if (!_tcsncmp(tmp, _T("<="), 2)) {
(*c) += 2;
return BREAKPOINT_CMP_SMALLER_EQUAL;
} else if (!_tcsncmp(tmp, _T(">"), 1)) {
(*c) += 1;
return BREAKPOINT_CMP_LARGER;
} else if (!_tcsncmp(tmp, _T("<"), 1)) {
(*c) += 1;
return BREAKPOINT_CMP_SMALLER;
} else if (!_tcsncmp(tmp, _T("-"), 1)) {
(*c) += 1;
return BREAKPOINT_CMP_RANGE;
} else if (!_tcsncmp(tmp, _T("!-"), 2)) {
(*c) += 2;
return BREAKPOINT_CMP_NRANGE;
}
*opersigned = false;
if (**c == 's') {
(*c)++;
*opersigned = true;
}
return -1;
}
static const TCHAR *debugregs[] = {
_T("D0"),
_T("D1"),
_T("D2"),
_T("D3"),
_T("D4"),
_T("D5"),
_T("D6"),
_T("D7"),
_T("A0"),
_T("A1"),
_T("A2"),
_T("A3"),
_T("A4"),
_T("A5"),
_T("A6"),
_T("A7"),
_T("PC"),
_T("USP"),
_T("MSP"),
_T("ISP"),
_T("VBR"),
_T("SR"),
_T("CCR"),
_T("CACR"),
_T("CAAR"),
_T("SFC"),
_T("DFC"),
_T("TC"),
_T("ITT0"),
_T("ITT1"),
_T("DTT0"),
_T("DTT1"),
_T("BUSC"),
_T("PCR"),
_T("FPIAR"),
_T("FPCR"),
_T("FPSR"),
NULL
};
int getregidx(TCHAR **c)
{
int i;
TCHAR *p = *c;
TCHAR tmp[10];
int extra = 0;
i = 0;
while (p[i]) {
tmp[i] = _totupper(p[i]);
if (i >= sizeof(tmp) / sizeof(TCHAR) - 1)
break;
i++;
}
tmp[i] = 0;
for (int i = 0; debugregs[i]; i++) {
if (!_tcsncmp(tmp, debugregs[i], _tcslen(debugregs[i]))) {
(*c) += _tcslen(debugregs[i]);
return i;
}
}
return -1;
}
uae_u32 returnregx(int regid)
{
if (regid < BREAKPOINT_REG_PC)
return regs.regs[regid];
switch(regid)
{
case BREAKPOINT_REG_PC:
return M68K_GETPC;
case BREAKPOINT_REG_USP:
return regs.usp;
case BREAKPOINT_REG_MSP:
return regs.msp;
case BREAKPOINT_REG_ISP:
return regs.isp;
case BREAKPOINT_REG_VBR:
return regs.vbr;
case BREAKPOINT_REG_SR:
MakeSR();
return regs.sr;
case BREAKPOINT_REG_CCR:
MakeSR();
return regs.sr & 31;
case BREAKPOINT_REG_CACR:
return regs.cacr;
case BREAKPOINT_REG_CAAR:
return regs.caar;
case BREAKPOINT_REG_SFC:
return regs.sfc;
case BREAKPOINT_REG_DFC:
return regs.dfc;
case BREAKPOINT_REG_TC:
if (currprefs.cpu_model == 68030)
return tc_030;
return regs.tcr;
case BREAKPOINT_REG_ITT0:
if (currprefs.cpu_model == 68030)
return tt0_030;
return regs.itt0;
case BREAKPOINT_REG_ITT1:
if (currprefs.cpu_model == 68030)
return tt1_030;
return regs.itt1;
case BREAKPOINT_REG_DTT0:
return regs.dtt0;
case BREAKPOINT_REG_DTT1:
return regs.dtt1;
case BREAKPOINT_REG_BUSC:
return regs.buscr;
case BREAKPOINT_REG_PCR:
return regs.pcr;
case BREAKPOINT_REG_FPIAR:
return regs.fpiar;
case BREAKPOINT_REG_FPCR:
return regs.fpcr;
case BREAKPOINT_REG_FPSR:
return regs.fpsr;
}
return 0;
}
static int readregx(TCHAR **c, uae_u32 *valp)
{
int idx;
uae_u32 addr;
TCHAR *old = *c;
addr = 0;
if (_totupper(**c) == 'R') {
(*c)++;
}
idx = getregidx(c);
if (idx < 0) {
*c = old;
return 0;
}
addr = returnregx(idx);
*valp = addr;
return 1;
}
static bool checkisneg(TCHAR **c)
{
TCHAR nc = peekchar(c);
if (nc == '-') {
(*c)++;
return true;
} else if (nc == '+') {
(*c)++;
}
return false;
}
static bool readbinx (TCHAR **c, uae_u32 *valp)
{
uae_u32 val = 0;
bool first = true;
bool negative = false;
ignore_ws (c);
negative = checkisneg(c);
for (;;) {
TCHAR nc = **c;
if (nc != '1' && nc != '0' && nc != '`') {
if (first)
return false;
break;
}
first = false;
(*c)++;
if (nc != '`') {
val <<= 1;
if (nc == '1') {
val |= 1;
}
}
}
*valp = val * (negative ? -1 : 1);
return true;
}
static bool readhexx (TCHAR **c, uae_u32 *valp)
{
uae_u32 val = 0;
TCHAR nc;
bool negative = false;
ignore_ws(c);
negative = checkisneg(c);
if (!isxdigit(peekchar(c)))
return false;
while (isxdigit (nc = **c)) {
(*c)++;
val *= 16;
nc = _totupper (nc);
if (isdigit (nc)) {
val += nc - '0';
} else {
val += nc - 'A' + 10;
}
}
*valp = val * (negative ? -1 : 1);
return true;
}
static bool readintx (TCHAR **c, uae_u32 *valp)
{
uae_u32 val = 0;
TCHAR nc;
int negative = 0;
ignore_ws (c);
negative = checkisneg(c);
if (!isdigit (peekchar (c)))
return false;
while (isdigit (nc = **c)) {
(*c)++;
val *= 10;
val += nc - '0';
}
*valp = val * (negative ? -1 : 1);
return true;
}
static int checkvaltype2 (TCHAR **c, uae_u32 *val, TCHAR def)
{
TCHAR nc;
ignore_ws (c);
nc = _totupper (**c);
if (nc == '!') {
(*c)++;
return readintx (c, val) ? 1 : 0;
}
if (nc == '$') {
(*c)++;
return readhexx (c, val) ? 1 : 0;
}
if (nc == '0' && _totupper ((*c)[1]) == 'X') {
(*c)+= 2;
return readhexx (c, val) ? 1 : 0;
}
if (nc == '%') {
(*c)++;
return readbinx (c, val) ? 1: 0;
}
if (nc >= 'A' && nc <= 'Z' && nc != 'A' && nc != 'D') {
if (readregx (c, val))
return 1;
}
TCHAR name[256];
name[0] = 0;
for (int i = 0; i < sizeof name / sizeof(TCHAR) - 1; i++) {
nc = (*c)[i];
if (nc == 0 || nc == ' ')
break;
name[i] = nc;
name[i + 1] = 0;
}
if (name[0]) {
TCHAR *np = name;
if (*np == '#')
np++;
if (debugmem_get_symbol_value(np, val)) {
(*c) += _tcslen(name);
return 1;
}
}
if (def == '!') {
return readintx (c, val) ? -1 : 0;
} else if (def == '$') {
return readhexx (c, val) ? -1 : 0;
} else if (def == '%') {
return readbinx (c, val) ? -1 : 0;
}
return 0;
}
static int readsize (int val, TCHAR **c)
{
TCHAR cc = _totupper (readchar(c));
if (cc == 'B')
return 1;
if (cc == 'W')
return 2;
if (cc == '3')
return 3;
if (cc == 'L')
return 4;
return 0;
}
static int checkvaltype(TCHAR **cp, uae_u32 *val, int *size, TCHAR def)
{
TCHAR form[256], *p;
bool gotop = false;
bool copyrest = false;
double out;
form[0] = 0;
if (size)
*size = 0;
p = form;
for (;;) {
uae_u32 v;
if (!checkvaltype2(cp, &v, def)) {
if (isoperator(cp) || gotop || **cp == '\"' || **cp == '\'') {
goto docalc;
}
return 0;
}
*val = v;
// stupid but works!
_stprintf(p, _T("%u"), v);
p += _tcslen (p);
*p = 0;
if (peekchar(cp) == '.') {
readchar(cp);
if (size) {
*size = readsize(v, cp);
}
}
TCHAR *cpb = *cp;
ignore_ws(cp);
if (!isoperator(cp)) {
*cp = cpb;
break;
}
gotop = true;
*p++= readchar(cp);
*p = 0;
}
if (!gotop) {
if (size && *size == 0) {
uae_s32 v = (uae_s32)(*val);
if (v > 65535 || v < -32767) {
*size = 4;
} else if (v > 255 || v < -127) {
*size = 2;
} else {
*size = 1;
}
}
return 1;
}
docalc:
while (more_params2(cp)) {
TCHAR c = readchar(cp);
if (c == ' ') {
break;
}
*p++ = c;
}
*p = 0;
TCHAR tmp[MAX_DPATH];
int v = calc(form, &out, tmp, sizeof(tmp) / sizeof(TCHAR));
if (v > 0) {
*val = (uae_u32)out;
if (size && *size == 0) {
uae_s32 v = (uae_s32)(*val);
if (v > 255 || v < -127) {
*size = 2;
} else if (v > 65535 || v < -32767) {
*size = 4;
} else {
*size = 1;
}
}
return 1;
} else if (v < 0) {
console_out_f(_T("String returned: '%s'\n"), tmp);