mirror of
https://github.com/cc65/cc65.git
synced 2024-12-27 15:29:46 +00:00
Use register variables
git-svn-id: svn://svn.cc65.org/cc65/trunk@1646 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
parent
ea06b7286e
commit
fbe913e1db
409
libsrc/dbg/dbg.c
409
libsrc/dbg/dbg.c
@ -305,7 +305,7 @@ BreakPoint* DbgIsBreak (unsigned Addr);
|
||||
|
||||
|
||||
|
||||
static void DrawFrame (FrameDesc* F, char Active)
|
||||
static void DrawFrame (register FrameDesc* F, char Active)
|
||||
/* Draw one window frame */
|
||||
{
|
||||
TextDesc* T;
|
||||
@ -386,7 +386,7 @@ static void ActivateFrame (int Num, unsigned char Clear)
|
||||
/* Activate a new frame, deactivate the old one */
|
||||
{
|
||||
unsigned char y;
|
||||
FrameDesc* F;
|
||||
register FrameDesc* F;
|
||||
|
||||
if (ActiveFrame != Num) {
|
||||
|
||||
@ -400,9 +400,9 @@ static void ActivateFrame (int Num, unsigned char Clear)
|
||||
F = Frames [ActiveFrame];
|
||||
/* Clear the frame if requested */
|
||||
if (Clear) {
|
||||
for (y = F->fd_y1+1; y < F->fd_y2; ++y) {
|
||||
cclearxy (F->fd_x1+1, y, F->fd_width);
|
||||
}
|
||||
for (y = F->fd_y1+1; y < F->fd_y2; ++y) {
|
||||
cclearxy (F->fd_x1+1, y, F->fd_width);
|
||||
}
|
||||
}
|
||||
DrawFrame (F, 1);
|
||||
}
|
||||
@ -416,7 +416,7 @@ static void ActivateFrame (int Num, unsigned char Clear)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Prompt line */
|
||||
/* Prompt line */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -621,7 +621,7 @@ static void DbgSetTmpBreak (unsigned Addr)
|
||||
static void DbgToggleUserBreak (unsigned Addr)
|
||||
/* Set a breakpoint */
|
||||
{
|
||||
BreakPoint* B = DbgIsBreak (Addr);
|
||||
register BreakPoint* B = DbgIsBreak (Addr);
|
||||
|
||||
if (B) {
|
||||
/* We have a breakpoint, remove it */
|
||||
@ -634,13 +634,13 @@ static void DbgToggleUserBreak (unsigned Addr)
|
||||
} else {
|
||||
/* Test if we can set a breakpoint at that address */
|
||||
if (!DbgIsRAM (Addr)) {
|
||||
BreakInRomError ();
|
||||
BreakInRomError ();
|
||||
} else {
|
||||
/* Set the breakpoint */
|
||||
B = DbgGetBreakSlot ();
|
||||
B->bk_addr = Addr;
|
||||
B->bk_use = BRK_USER;
|
||||
++DbgBreakCount;
|
||||
/* Set the breakpoint */
|
||||
B = DbgGetBreakSlot ();
|
||||
B->bk_addr = Addr;
|
||||
B->bk_use = BRK_USER;
|
||||
++DbgBreakCount;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -658,7 +658,7 @@ static void DbgResetTmpBreaks (void)
|
||||
if (B->bk_use == BRK_TMP) {
|
||||
B->bk_use = BRK_EMPTY;
|
||||
}
|
||||
++B;
|
||||
++B;
|
||||
}
|
||||
}
|
||||
|
||||
@ -673,11 +673,11 @@ static unsigned char DbgTmpBreaksOk (void)
|
||||
BreakPoint* B = DbgBreaks;
|
||||
for (i = 0; i < MAX_USERBREAKS; ++i) {
|
||||
if (B->bk_use == BRK_TMP && !DbgIsRAM (B->bk_addr)) {
|
||||
BreakInRomError ();
|
||||
DbgResetTmpBreaks ();
|
||||
return 0;
|
||||
BreakInRomError ();
|
||||
DbgResetTmpBreaks ();
|
||||
return 0;
|
||||
}
|
||||
++B;
|
||||
++B;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
@ -685,7 +685,7 @@ static unsigned char DbgTmpBreaksOk (void)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Assembler window stuff */
|
||||
/* Assembler window stuff */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -708,17 +708,17 @@ static unsigned AsmBack (unsigned mem, unsigned char lines)
|
||||
adr [in] = cur;
|
||||
in = (in + 1) & 0x1F;
|
||||
if (cur >= mem) {
|
||||
if (cur == mem || offs == 12) {
|
||||
/* Found */
|
||||
return adr [(in - lines - 1) & 0x1F];
|
||||
} else {
|
||||
/* The requested address is inside an instruction, go back
|
||||
* one more byte and try again.
|
||||
*/
|
||||
if (cur == mem || offs == 12) {
|
||||
/* Found */
|
||||
return adr [(in - lines - 1) & 0x1F];
|
||||
} else {
|
||||
/* The requested address is inside an instruction, go back
|
||||
* one more byte and try again.
|
||||
*/
|
||||
++offs;
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -736,22 +736,22 @@ static unsigned UpdateAsm (void)
|
||||
unsigned m = AsmBack (AsmAddr, 2);
|
||||
|
||||
for (y = AsmFrame.fd_y1+1; y < AsmFrame.fd_y2; ++y) {
|
||||
len = DbgDisAsm (m, buf, width);
|
||||
len = DbgDisAsm (m, buf, width);
|
||||
if (m == brk_pc) {
|
||||
buf [4] = '-';
|
||||
buf [5] = '>';
|
||||
}
|
||||
if (DbgIsBreak (m)) {
|
||||
buf [5] = '*';
|
||||
}
|
||||
if (m == AsmAddr) {
|
||||
revers (1);
|
||||
cputsxy (1, y, buf);
|
||||
revers (0);
|
||||
} else {
|
||||
cputsxy (1, y, buf);
|
||||
}
|
||||
m += len;
|
||||
buf [4] = '-';
|
||||
buf [5] = '>';
|
||||
}
|
||||
if (DbgIsBreak (m)) {
|
||||
buf [5] = '*';
|
||||
}
|
||||
if (m == AsmAddr) {
|
||||
revers (1);
|
||||
cputsxy (1, y, buf);
|
||||
revers (0);
|
||||
} else {
|
||||
cputsxy (1, y, buf);
|
||||
}
|
||||
m += len;
|
||||
}
|
||||
return m;
|
||||
}
|
||||
@ -771,33 +771,33 @@ static void AsmFollow (void)
|
||||
{
|
||||
switch (*(unsigned char*) AsmAddr) {
|
||||
|
||||
case OPC_JMP:
|
||||
case OPC_JSR:
|
||||
case OPC_JMP:
|
||||
case OPC_JSR:
|
||||
AsmAddr = AsmArg16 ();
|
||||
break;
|
||||
break;
|
||||
|
||||
case OPC_JMPIND:
|
||||
AsmAddr = *(unsigned*)AsmArg16 ();
|
||||
break;
|
||||
AsmAddr = *(unsigned*)AsmArg16 ();
|
||||
break;
|
||||
|
||||
case OPC_BPL:
|
||||
case OPC_BMI:
|
||||
case OPC_BVC:
|
||||
case OPC_BVS:
|
||||
case OPC_BCC:
|
||||
case OPC_BCS:
|
||||
case OPC_BNE:
|
||||
case OPC_BEQ:
|
||||
case OPC_BPL:
|
||||
case OPC_BMI:
|
||||
case OPC_BVC:
|
||||
case OPC_BVS:
|
||||
case OPC_BCC:
|
||||
case OPC_BCS:
|
||||
case OPC_BNE:
|
||||
case OPC_BEQ:
|
||||
AsmAddr = AsmAddr + 2 + *(signed char*)(AsmAddr+1);
|
||||
break;
|
||||
break;
|
||||
|
||||
case OPC_RTS:
|
||||
AsmAddr = (*(unsigned*) (DbgSP + 0x101) + 1);
|
||||
break;
|
||||
AsmAddr = (*(unsigned*) (DbgSP + 0x101) + 1);
|
||||
break;
|
||||
|
||||
case OPC_RTI:
|
||||
AsmAddr = *(unsigned*) (DbgSP + 0x102);
|
||||
break;
|
||||
AsmAddr = *(unsigned*) (DbgSP + 0x102);
|
||||
break;
|
||||
|
||||
}
|
||||
}
|
||||
@ -832,23 +832,23 @@ static char AsmHandler (void)
|
||||
/* Update the window contents */
|
||||
Last = UpdateAsm ();
|
||||
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
|
||||
case '+':
|
||||
AsmAddr = Last;
|
||||
break;
|
||||
case '+':
|
||||
AsmAddr = Last;
|
||||
break;
|
||||
|
||||
case '-':
|
||||
AsmAddr = AsmBack (AsmAddr, AsmFrame.fd_height);
|
||||
break;
|
||||
case '-':
|
||||
AsmAddr = AsmBack (AsmAddr, AsmFrame.fd_height);
|
||||
break;
|
||||
|
||||
case 't':
|
||||
case 't':
|
||||
#ifdef CH_F2
|
||||
case CH_F2:
|
||||
#endif
|
||||
DbgToggleUserBreak (AsmAddr);
|
||||
break;
|
||||
DbgToggleUserBreak (AsmAddr);
|
||||
break;
|
||||
|
||||
case 'f':
|
||||
AsmFollow ();
|
||||
@ -929,7 +929,7 @@ static char RegHandler (void)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Stack window stuff */
|
||||
/* Stack window stuff */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -943,10 +943,10 @@ static unsigned UpdateStack (void)
|
||||
unsigned char y;
|
||||
|
||||
for (y = StackFrame.fd_y2-1; y > StackFrame.fd_y1; --y) {
|
||||
gotoxy (x1, y);
|
||||
cputhex8 (mem);
|
||||
gotoxy (x2, y);
|
||||
cputhex8 (* (unsigned char*) (mem + 0x100));
|
||||
gotoxy (x1, y);
|
||||
cputhex8 (mem);
|
||||
gotoxy (x2, y);
|
||||
cputhex8 (* (unsigned char*) (mem + 0x100));
|
||||
++mem;
|
||||
}
|
||||
return mem;
|
||||
@ -979,35 +979,35 @@ static char StackHandler (void)
|
||||
|
||||
while (1) {
|
||||
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
|
||||
case '+':
|
||||
case '+':
|
||||
StackAddr += BytesPerPage;
|
||||
break;
|
||||
break;
|
||||
|
||||
case '-':
|
||||
StackAddr -= BytesPerPage;
|
||||
break;
|
||||
case '-':
|
||||
StackAddr -= BytesPerPage;
|
||||
break;
|
||||
|
||||
case 'o':
|
||||
StackHome ();
|
||||
break;
|
||||
case 'o':
|
||||
StackHome ();
|
||||
break;
|
||||
|
||||
case CH_CURS_UP:
|
||||
--StackAddr;
|
||||
break;
|
||||
case CH_CURS_UP:
|
||||
--StackAddr;
|
||||
break;
|
||||
|
||||
case CH_CURS_DOWN:
|
||||
++StackAddr;
|
||||
break;
|
||||
case CH_CURS_DOWN:
|
||||
++StackAddr;
|
||||
break;
|
||||
|
||||
default:
|
||||
return c;
|
||||
default:
|
||||
return c;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/* Update the window contents */
|
||||
/* Update the window contents */
|
||||
UpdateStack ();
|
||||
}
|
||||
}
|
||||
@ -1028,9 +1028,9 @@ static unsigned UpdateCStack (void)
|
||||
unsigned char y;
|
||||
|
||||
for (y = CStackFrame.fd_y2-1; y > CStackFrame.fd_y1; --y) {
|
||||
gotoxy (x, y);
|
||||
cputhex16 (* (unsigned*)mem);
|
||||
mem += 2;
|
||||
gotoxy (x, y);
|
||||
cputhex16 (* (unsigned*)mem);
|
||||
mem += 2;
|
||||
}
|
||||
cputsxy (CStackFrame.fd_x1+1, CStackFrame.fd_y2-1, "->");
|
||||
return mem;
|
||||
@ -1063,35 +1063,35 @@ static char CStackHandler (void)
|
||||
|
||||
while (1) {
|
||||
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
|
||||
case '+':
|
||||
case '+':
|
||||
CStackAddr += BytesPerPage;
|
||||
break;
|
||||
break;
|
||||
|
||||
case '-':
|
||||
CStackAddr -= BytesPerPage;
|
||||
break;
|
||||
case '-':
|
||||
CStackAddr -= BytesPerPage;
|
||||
break;
|
||||
|
||||
case 'o':
|
||||
CStackHome ();
|
||||
break;
|
||||
case 'o':
|
||||
CStackHome ();
|
||||
break;
|
||||
|
||||
case CH_CURS_UP:
|
||||
CStackAddr -= 2;
|
||||
break;
|
||||
case CH_CURS_UP:
|
||||
CStackAddr -= 2;
|
||||
break;
|
||||
|
||||
case CH_CURS_DOWN:
|
||||
CStackAddr += 2;
|
||||
break;
|
||||
case CH_CURS_DOWN:
|
||||
CStackAddr += 2;
|
||||
break;
|
||||
|
||||
default:
|
||||
return c;
|
||||
default:
|
||||
return c;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/* Update the window contents */
|
||||
/* Update the window contents */
|
||||
UpdateCStack ();
|
||||
}
|
||||
}
|
||||
@ -1099,7 +1099,7 @@ static char CStackHandler (void)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Dump window stuff */
|
||||
/* Dump window stuff */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -1114,8 +1114,8 @@ static unsigned UpdateDump (void)
|
||||
unsigned char* p = (unsigned char*) mem;
|
||||
|
||||
for (y = DumpFrame.fd_y1+1; y < DumpFrame.fd_y2; ++y) {
|
||||
cputsxy (x, y, DbgMemDump (mem, Buf, DUMP_BYTES));
|
||||
mem += DUMP_BYTES;
|
||||
cputsxy (x, y, DbgMemDump (mem, Buf, DUMP_BYTES));
|
||||
mem += DUMP_BYTES;
|
||||
}
|
||||
return mem;
|
||||
}
|
||||
@ -1138,37 +1138,37 @@ static char DumpHandler (void)
|
||||
|
||||
while (1) {
|
||||
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
/* Read and handle input */
|
||||
switch (c = GetKeyUpdate ()) {
|
||||
|
||||
case '+':
|
||||
DumpAddr += BytesPerPage;
|
||||
break;
|
||||
case '+':
|
||||
DumpAddr += BytesPerPage;
|
||||
break;
|
||||
|
||||
case '-':
|
||||
case '-':
|
||||
DumpAddr -= BytesPerPage;
|
||||
break;
|
||||
break;
|
||||
|
||||
case 'g':
|
||||
InputGoto (&DumpAddr);
|
||||
break;
|
||||
case 'g':
|
||||
InputGoto (&DumpAddr);
|
||||
break;
|
||||
|
||||
case 'o':
|
||||
DumpHome ();
|
||||
break;
|
||||
case 'o':
|
||||
DumpHome ();
|
||||
break;
|
||||
|
||||
case CH_CURS_UP:
|
||||
DumpAddr -= 8;
|
||||
break;
|
||||
case CH_CURS_UP:
|
||||
DumpAddr -= 8;
|
||||
break;
|
||||
|
||||
case CH_CURS_DOWN:
|
||||
DumpAddr += 8;
|
||||
break;
|
||||
case CH_CURS_DOWN:
|
||||
DumpAddr += 8;
|
||||
break;
|
||||
|
||||
default:
|
||||
return c;
|
||||
default:
|
||||
return c;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/* Update the window contents */
|
||||
UpdateDump ();
|
||||
@ -1178,7 +1178,7 @@ static char DumpHandler (void)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Help window stuff */
|
||||
/* Help window stuff */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -1206,7 +1206,7 @@ static char HelpHandler (void)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Singlestep */
|
||||
/* Singlestep */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -1242,49 +1242,49 @@ static void SingleStep (char StepInto)
|
||||
switch (*(unsigned char*) brk_pc) {
|
||||
|
||||
case OPC_JMP:
|
||||
/* Set breakpoint at target */
|
||||
DbgSetTmpBreak (GetArg16 ());
|
||||
return;
|
||||
/* Set breakpoint at target */
|
||||
DbgSetTmpBreak (GetArg16 ());
|
||||
return;
|
||||
|
||||
case OPC_JMPIND:
|
||||
/* Indirect jump, ignore CPU error when crossing page */
|
||||
DbgSetTmpBreak (*(unsigned*)GetArg16 ());
|
||||
return;
|
||||
/* Indirect jump, ignore CPU error when crossing page */
|
||||
DbgSetTmpBreak (*(unsigned*)GetArg16 ());
|
||||
return;
|
||||
|
||||
case OPC_BPL:
|
||||
case OPC_BMI:
|
||||
case OPC_BVC:
|
||||
case OPC_BVS:
|
||||
case OPC_BCC:
|
||||
case OPC_BCS:
|
||||
case OPC_BNE:
|
||||
case OPC_BEQ:
|
||||
/* Be sure not to set the breakpoint twice if this is a jump to
|
||||
* the following instruction.
|
||||
*/
|
||||
Offs = *(signed char*)(brk_pc+1);
|
||||
if (Offs) {
|
||||
DbgSetTmpBreak (brk_pc + Offs + 2);
|
||||
}
|
||||
break;
|
||||
case OPC_BPL:
|
||||
case OPC_BMI:
|
||||
case OPC_BVC:
|
||||
case OPC_BVS:
|
||||
case OPC_BCC:
|
||||
case OPC_BCS:
|
||||
case OPC_BNE:
|
||||
case OPC_BEQ:
|
||||
/* Be sure not to set the breakpoint twice if this is a jump to
|
||||
* the following instruction.
|
||||
*/
|
||||
Offs = *(signed char*)(brk_pc+1);
|
||||
if (Offs) {
|
||||
DbgSetTmpBreak (brk_pc + Offs + 2);
|
||||
}
|
||||
break;
|
||||
|
||||
case OPC_RTS:
|
||||
/* Set a breakpoint at the return target */
|
||||
SetRTSBreak ();
|
||||
return;
|
||||
/* Set a breakpoint at the return target */
|
||||
SetRTSBreak ();
|
||||
return;
|
||||
|
||||
case OPC_RTI:
|
||||
/* Set a breakpoint at the return target */
|
||||
DbgSetTmpBreak (GetStack16 (1));
|
||||
return;
|
||||
/* Set a breakpoint at the return target */
|
||||
DbgSetTmpBreak (GetStack16 (1));
|
||||
return;
|
||||
|
||||
case OPC_JSR:
|
||||
if (StepInto) {
|
||||
/* Set breakpoint at target */
|
||||
DbgSetTmpBreak (GetArg16 ());
|
||||
return;
|
||||
}
|
||||
break;
|
||||
if (StepInto) {
|
||||
/* Set breakpoint at target */
|
||||
DbgSetTmpBreak (GetArg16 ());
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* Place a breakpoint behind the instruction */
|
||||
@ -1294,7 +1294,7 @@ static void SingleStep (char StepInto)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* High level window handling */
|
||||
/* High level window handling */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -1378,7 +1378,7 @@ static char GetKeyUpdate (void)
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Externally visible functions */
|
||||
/* Externally visible functions */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
@ -1392,15 +1392,15 @@ void DbgEntry (void)
|
||||
|
||||
/* If this is the first call, setup the display */
|
||||
if (FirstTime) {
|
||||
FirstTime = 0;
|
||||
FirstTime = 0;
|
||||
|
||||
/* Draw the window, default active frame is ASM frame */
|
||||
RedrawStatic (WIN_ASM);
|
||||
InitAsm ();
|
||||
InitReg ();
|
||||
InitStack ();
|
||||
InitCStack ();
|
||||
UpdateDump ();
|
||||
/* Draw the window, default active frame is ASM frame */
|
||||
RedrawStatic (WIN_ASM);
|
||||
InitAsm ();
|
||||
InitReg ();
|
||||
InitStack ();
|
||||
InitCStack ();
|
||||
UpdateDump ();
|
||||
}
|
||||
|
||||
/* Only initialize variables here, don't do a display update. The actual
|
||||
@ -1415,24 +1415,24 @@ void DbgEntry (void)
|
||||
done = 0;
|
||||
while (!done) {
|
||||
c = Frames [ActiveFrame]->fd_func ();
|
||||
switch (c) {
|
||||
switch (c) {
|
||||
|
||||
case '1':
|
||||
case '2':
|
||||
case '3':
|
||||
case '4':
|
||||
case '5':
|
||||
ActivateFrame (c - '1', 0);
|
||||
break;
|
||||
case '1':
|
||||
case '2':
|
||||
case '3':
|
||||
case '4':
|
||||
case '5':
|
||||
ActivateFrame (c - '1', 0);
|
||||
break;
|
||||
|
||||
case '?':
|
||||
case '?':
|
||||
#ifdef CH_F1
|
||||
case CH_F1:
|
||||
#endif
|
||||
HelpHandler ();
|
||||
break;
|
||||
|
||||
case 'u':
|
||||
case 'u':
|
||||
#ifdef CH_F3
|
||||
case CH_F3:
|
||||
#endif
|
||||
@ -1441,7 +1441,7 @@ void DbgEntry (void)
|
||||
done = 1;
|
||||
break;
|
||||
|
||||
case 'h':
|
||||
case 'h':
|
||||
#ifdef CH_F4
|
||||
case CH_F4:
|
||||
#endif
|
||||
@ -1463,7 +1463,7 @@ void DbgEntry (void)
|
||||
}
|
||||
break;
|
||||
|
||||
case '\n':
|
||||
case '\n':
|
||||
#ifdef CH_F8
|
||||
case CH_F8:
|
||||
#endif
|
||||
@ -1500,3 +1500,4 @@ void DbgEntry (void)
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user