Across-the-board debugger fix

This commit is contained in:
Jeff 2016-09-27 09:34:56 -07:00 committed by Jeff Parsons
commit 9727a2d4df
3 changed files with 266 additions and 274 deletions

View file

@ -3669,81 +3669,74 @@ if (DEBUGGER) {
return;
}
var fValid = false;
var w = this.parseExpression(sValue);
if (w === undefined) return;
if (w !== undefined) {
fValid = true;
var sRegMatch = sReg.toUpperCase();
switch (sRegMatch) {
case "A":
cpu.regA = w & 0xff;
break;
case "B":
cpu.regB = w & 0xff;
break;
case "BC":
cpu.regB = ((w >> 8) & 0xff);
/* falls through */
case "C":
cpu.regC = w & 0xff;
break;
case "D":
cpu.regD = w & 0xff;
break;
case "DE":
cpu.regD = ((w >> 8) & 0xff);
/* falls through */
case "E":
cpu.regE = w & 0xff;
break;
case "H":
cpu.regH = w & 0xff;
break;
case "HL":
cpu.regH = ((w >> 8) & 0xff);
/* falls through */
case "L":
cpu.regL = w & 0xff;
break;
case "SP":
cpu.setSP(w);
break;
case "PC":
cpu.setPC(w);
this.dbgAddrNextCode = this.newAddr(cpu.getPC());
break;
case "PS":
cpu.setPS(w);
break;
case "PSW":
cpu.setPSW(w);
break;
case "CF":
if (w) cpu.setCF(); else cpu.clearCF();
break;
case "PF":
if (w) cpu.setPF(); else cpu.clearPF();
break;
case "AF":
if (w) cpu.setAF(); else cpu.clearAF();
break;
case "ZF":
if (w) cpu.setZF(); else cpu.clearZF();
break;
case "SF":
if (w) cpu.setSF(); else cpu.clearSF();
break;
case "IF":
if (w) cpu.setIF(); else cpu.clearIF();
break;
default:
this.println("unknown register: " + sReg);
return;
}
}
if (!fValid) {
this.println("invalid value: " + sValue);
var sRegMatch = sReg.toUpperCase();
switch (sRegMatch) {
case "A":
cpu.regA = w & 0xff;
break;
case "B":
cpu.regB = w & 0xff;
break;
case "BC":
cpu.regB = ((w >> 8) & 0xff);
/* falls through */
case "C":
cpu.regC = w & 0xff;
break;
case "D":
cpu.regD = w & 0xff;
break;
case "DE":
cpu.regD = ((w >> 8) & 0xff);
/* falls through */
case "E":
cpu.regE = w & 0xff;
break;
case "H":
cpu.regH = w & 0xff;
break;
case "HL":
cpu.regH = ((w >> 8) & 0xff);
/* falls through */
case "L":
cpu.regL = w & 0xff;
break;
case "SP":
cpu.setSP(w);
break;
case "PC":
cpu.setPC(w);
this.dbgAddrNextCode = this.newAddr(cpu.getPC());
break;
case "PS":
cpu.setPS(w);
break;
case "PSW":
cpu.setPSW(w);
break;
case "CF":
if (w) cpu.setCF(); else cpu.clearCF();
break;
case "PF":
if (w) cpu.setPF(); else cpu.clearPF();
break;
case "AF":
if (w) cpu.setAF(); else cpu.clearAF();
break;
case "ZF":
if (w) cpu.setZF(); else cpu.clearZF();
break;
case "SF":
if (w) cpu.setSF(); else cpu.clearSF();
break;
case "IF":
if (w) cpu.setIF(); else cpu.clearIF();
break;
default:
this.println("unknown register: " + sReg);
return;
}
cpu.updateCPU();

View file

@ -6784,214 +6784,214 @@ if (DEBUGGER) {
this.println("missing value for " + asArgs[1]);
return;
}
var fValid = false;
var w = this.parseExpression(sValue);
if (w !== undefined) {
fValid = true;
var sRegMatch = sReg.toUpperCase();
if (sRegMatch.charAt(0) == 'E' && this.cchReg <= 4) {
sRegMatch = null;
}
switch (sRegMatch) {
case "AL":
this.cpu.regEAX = (this.cpu.regEAX & ~0xff) | (w & 0xff);
break;
case "AH":
this.cpu.regEAX = (this.cpu.regEAX & ~0xff00) | ((w << 8) & 0xff);
break;
case "AX":
this.cpu.regEAX = (this.cpu.regEAX & ~0xffff) | (w & 0xffff);
break;
case "BL":
this.cpu.regEBX = (this.cpu.regEBX & ~0xff) | (w & 0xff);
break;
case "BH":
this.cpu.regEBX = (this.cpu.regEBX & ~0xff00) | ((w << 8) & 0xff);
break;
case "BX":
this.cpu.regEBX = (this.cpu.regEBX & ~0xffff) | (w & 0xffff);
break;
case "CL":
this.cpu.regECX = (this.cpu.regECX & ~0xff) | (w & 0xff);
break;
case "CH":
this.cpu.regECX = (this.cpu.regECX & ~0xff00) | ((w << 8) & 0xff);
break;
case "CX":
this.cpu.regECX = (this.cpu.regECX & ~0xffff) | (w & 0xffff);
break;
case "DL":
this.cpu.regEDX = (this.cpu.regEDX & ~0xff) | (w & 0xff);
break;
case "DH":
this.cpu.regEDX = (this.cpu.regEDX & ~0xff00) | ((w << 8) & 0xff);
break;
case "DX":
this.cpu.regEDX = (this.cpu.regEDX & ~0xffff) | (w & 0xffff);
break;
case "SP":
this.cpu.setSP((this.cpu.getSP() & ~0xffff) | (w & 0xffff));
break;
case "BP":
this.cpu.regEBP = (this.cpu.regEBP & ~0xffff) | (w & 0xffff);
break;
case "SI":
this.cpu.regESI = (this.cpu.regESI & ~0xffff) | (w & 0xffff);
break;
case "DI":
this.cpu.regEDI = (this.cpu.regEDI & ~0xffff) | (w & 0xffff);
break;
/*
* DANGER: For any of the segment loads below, by going through the normal CPU
* segment load procedure, you run the risk of generating a fault in the machine
* if you're not careful. So, um, be careful.
*/
case "DS":
this.cpu.setDS(w);
break;
case "ES":
this.cpu.setES(w);
break;
case "SS":
this.cpu.setSS(w);
break;
case "CS":
// fInstruction = true;
this.cpu.setCS(w);
this.dbgAddrNextCode = this.newAddr(this.cpu.getIP(), this.cpu.getCS());
break;
case "IP":
case "EIP":
// fInstruction = true;
this.cpu.setIP(w);
this.dbgAddrNextCode = this.newAddr(this.cpu.getIP(), this.cpu.getCS());
break;
/*
* I used to alias "PC" (Program Counter) to "IP" (Instruction Pointer), because in PC-DOS 1.00
* through 2.10, DEBUG.COM did the same thing. Then I discovered that, starting with PC-DOS 3.00,
* DEBUG.COM changed "PC" to refer to the 16-bit flags register (Program or Processor Control?)
* I've elected to go for PC-DOS 3.00+ compatibility, since that will be more widely known.
*
* PCx86 prefers "PS" (Processor Status) for accessing the FLAGS register in its 16-bit (or 32-bit)
* entirety. Individual flag bits can also be accessed as 1-bit registers, using the names shown
* below ("C", "P", "A", "Z", etc.)
*/
case "PC":
case "PS":
this.cpu.setPS(w);
break;
case 'C':
if (w) this.cpu.setCF(); else this.cpu.clearCF();
break;
case 'P':
if (w) this.cpu.setPF(); else this.cpu.clearPF();
break;
case 'A':
if (w) this.cpu.setAF(); else this.cpu.clearAF();
break;
case 'Z':
if (w) this.cpu.setZF(); else this.cpu.clearZF();
break;
case 'S':
if (w) this.cpu.setSF(); else this.cpu.clearSF();
break;
case 'I':
if (w) this.cpu.setIF(); else this.cpu.clearIF();
break;
case 'D':
if (w) this.cpu.setDF(); else this.cpu.clearDF();
break;
case 'V':
if (w) this.cpu.setOF(); else this.cpu.clearOF();
break;
default:
var fUnknown = true;
if (this.cpu.model >= X86.MODEL_80286) {
fUnknown = false;
switch(sRegMatch){
case "MS":
this.cpu.setMSW(w);
break;
case "TR":
if (w === undefined) return;
var fValid = true;
var sRegMatch = sReg.toUpperCase();
if (sRegMatch.charAt(0) == 'E' && this.cchReg <= 4) {
sRegMatch = null;
}
switch (sRegMatch) {
case "AL":
this.cpu.regEAX = (this.cpu.regEAX & ~0xff) | (w & 0xff);
break;
case "AH":
this.cpu.regEAX = (this.cpu.regEAX & ~0xff00) | ((w << 8) & 0xff);
break;
case "AX":
this.cpu.regEAX = (this.cpu.regEAX & ~0xffff) | (w & 0xffff);
break;
case "BL":
this.cpu.regEBX = (this.cpu.regEBX & ~0xff) | (w & 0xff);
break;
case "BH":
this.cpu.regEBX = (this.cpu.regEBX & ~0xff00) | ((w << 8) & 0xff);
break;
case "BX":
this.cpu.regEBX = (this.cpu.regEBX & ~0xffff) | (w & 0xffff);
break;
case "CL":
this.cpu.regECX = (this.cpu.regECX & ~0xff) | (w & 0xff);
break;
case "CH":
this.cpu.regECX = (this.cpu.regECX & ~0xff00) | ((w << 8) & 0xff);
break;
case "CX":
this.cpu.regECX = (this.cpu.regECX & ~0xffff) | (w & 0xffff);
break;
case "DL":
this.cpu.regEDX = (this.cpu.regEDX & ~0xff) | (w & 0xff);
break;
case "DH":
this.cpu.regEDX = (this.cpu.regEDX & ~0xff00) | ((w << 8) & 0xff);
break;
case "DX":
this.cpu.regEDX = (this.cpu.regEDX & ~0xffff) | (w & 0xffff);
break;
case "SP":
this.cpu.setSP((this.cpu.getSP() & ~0xffff) | (w & 0xffff));
break;
case "BP":
this.cpu.regEBP = (this.cpu.regEBP & ~0xffff) | (w & 0xffff);
break;
case "SI":
this.cpu.regESI = (this.cpu.regESI & ~0xffff) | (w & 0xffff);
break;
case "DI":
this.cpu.regEDI = (this.cpu.regEDI & ~0xffff) | (w & 0xffff);
break;
/*
* DANGER: For any of the segment loads below, by going through the normal CPU
* segment load procedure, you run the risk of generating a fault in the machine
* if you're not careful. So, um, be careful.
*/
case "DS":
this.cpu.setDS(w);
break;
case "ES":
this.cpu.setES(w);
break;
case "SS":
this.cpu.setSS(w);
break;
case "CS":
// fInstruction = true;
this.cpu.setCS(w);
this.dbgAddrNextCode = this.newAddr(this.cpu.getIP(), this.cpu.getCS());
break;
case "IP":
case "EIP":
// fInstruction = true;
this.cpu.setIP(w);
this.dbgAddrNextCode = this.newAddr(this.cpu.getIP(), this.cpu.getCS());
break;
/*
* I used to alias "PC" (Program Counter) to "IP" (Instruction Pointer), because in PC-DOS 1.00
* through 2.10, DEBUG.COM did the same thing. Then I discovered that, starting with PC-DOS 3.00,
* DEBUG.COM changed "PC" to refer to the 16-bit flags register (Program or Processor Control?)
* I've elected to go for PC-DOS 3.00+ compatibility, since that will be more widely known.
*
* PCx86 prefers "PS" (Processor Status) for accessing the FLAGS register in its 16-bit (or 32-bit)
* entirety. Individual flag bits can also be accessed as 1-bit registers, using the names shown
* below ("C", "P", "A", "Z", etc.)
*/
case "PC":
case "PS":
this.cpu.setPS(w);
break;
case 'C':
if (w) this.cpu.setCF(); else this.cpu.clearCF();
break;
case 'P':
if (w) this.cpu.setPF(); else this.cpu.clearPF();
break;
case 'A':
if (w) this.cpu.setAF(); else this.cpu.clearAF();
break;
case 'Z':
if (w) this.cpu.setZF(); else this.cpu.clearZF();
break;
case 'S':
if (w) this.cpu.setSF(); else this.cpu.clearSF();
break;
case 'I':
if (w) this.cpu.setIF(); else this.cpu.clearIF();
break;
case 'D':
if (w) this.cpu.setDF(); else this.cpu.clearDF();
break;
case 'V':
if (w) this.cpu.setOF(); else this.cpu.clearOF();
break;
default:
var fUnknown = true;
if (this.cpu.model >= X86.MODEL_80286) {
fUnknown = false;
switch(sRegMatch){
case "MS":
this.cpu.setMSW(w);
break;
case "TR":
/*
* DANGER: Like any of the segment loads above, by going through the normal CPU
* segment load procedure, you run the risk of generating a fault in the machine
* if you're not careful. So, um, be careful.
*/
if (this.cpu.segTSS.load(w) === X86.ADDR_INVALID) {
fValid = false;
}
break;
/*
* TODO: Add support for GDTR (addr and limit), IDTR (addr and limit), and perhaps
* even the ability to edit descriptor information associated with each segment register.
*/
default:
fUnknown = true;
if (I386 && this.cpu.model >= X86.MODEL_80386) {
fUnknown = false;
switch(sRegMatch){
case "EAX":
this.cpu.regEAX = w;
break;
case "EBX":
this.cpu.regEBX = w;
break;
case "ECX":
this.cpu.regECX = w;
break;
case "EDX":
this.cpu.regEDX = w;
break;
case "ESP":
this.cpu.setSP(w);
break;
case "EBP":
this.cpu.regEBP = w;
break;
case "ESI":
this.cpu.regESI = w;
break;
case "EDI":
this.cpu.regEDI = w;
break;
/*
* DANGER: Like any of the segment loads above, by going through the normal CPU
* DANGER: For any of the segment loads below, by going through the normal CPU
* segment load procedure, you run the risk of generating a fault in the machine
* if you're not careful. So, um, be careful.
*/
if (this.cpu.segTSS.load(w) === X86.ADDR_INVALID) {
fValid = false;
case "FS":
this.cpu.setFS(w);
break;
case "GS":
this.cpu.setGS(w);
break;
case "CR0":
this.cpu.regCR0 = w;
X86.helpLoadCR0.call(this.cpu, w);
break;
case "CR2":
this.cpu.regCR2 = w;
break;
case "CR3":
this.cpu.regCR3 = w;
X86.helpLoadCR3.call(this.cpu, w);
break;
/*
* TODO: Add support for DR0-DR7 and TR6-TR7.
*/
default:
fUnknown = true;
break;
}
break;
/*
* TODO: Add support for GDTR (addr and limit), IDTR (addr and limit), and perhaps
* even the ability to edit descriptor information associated with each segment register.
*/
default:
fUnknown = true;
if (I386 && this.cpu.model >= X86.MODEL_80386) {
fUnknown = false;
switch(sRegMatch){
case "EAX":
this.cpu.regEAX = w;
break;
case "EBX":
this.cpu.regEBX = w;
break;
case "ECX":
this.cpu.regECX = w;
break;
case "EDX":
this.cpu.regEDX = w;
break;
case "ESP":
this.cpu.setSP(w);
break;
case "EBP":
this.cpu.regEBP = w;
break;
case "ESI":
this.cpu.regESI = w;
break;
case "EDI":
this.cpu.regEDI = w;
break;
/*
* DANGER: For any of the segment loads below, by going through the normal CPU
* segment load procedure, you run the risk of generating a fault in the machine
* if you're not careful. So, um, be careful.
*/
case "FS":
this.cpu.setFS(w);
break;
case "GS":
this.cpu.setGS(w);
break;
case "CR0":
this.cpu.regCR0 = w;
X86.helpLoadCR0.call(this.cpu, w);
break;
case "CR2":
this.cpu.regCR2 = w;
break;
case "CR3":
this.cpu.regCR3 = w;
X86.helpLoadCR3.call(this.cpu, w);
break;
/*
* TODO: Add support for DR0-DR7 and TR6-TR7.
*/
default:
fUnknown = true;
break;
}
}
break;
}
break;
}
if (fUnknown) {
this.println("unknown register: " + sReg);
return;
}
}
if (fUnknown) {
this.println("unknown register: " + sReg);
return;
}
}
if (!fValid) {

View file

@ -3177,7 +3177,6 @@ if (DEBUGGER) {
this.println("unknown register: " + sReg);
return;
}
cpu.updateCPU();
this.println("updated registers:");
}