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Update 64tass handling of StackInt ops

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The operands for BRK and COP must be expressed as immediate mode
constants, with a leading '#'.
This commit is contained in:
Andy McFadden 2019-08-19 16:09:11 -07:00
parent 434f0506d5
commit 0abea2beac
6 changed files with 16 additions and 5 deletions
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5
SourceGen/AsmGen/AsmTass64.cs
View File

@ -153,6 +153,7 @@ namespace SourceGen.AsmGen {
Project = project;
Quirks = new AssemblerQuirks();
Quirks.StackIntOperandIsImmediate = true;
mWorkDirectory = workDirectory;
mFileNameBase = fileNameBase;
@ -326,8 +327,8 @@ namespace SourceGen.AsmGen {
return null;
}
}
if (op == OpDef.OpCOP_StackInt || op == OpDef.OpWDM_WDM) {
// 64tass doesn't like these to have an operand. Output as hex.
if (op == OpDef.OpWDM_WDM) {
// 64tass v1.54 doesn't like this to have an operand. Output as hex.
return null;
}
return string.Empty; // indicate original is fine

5
SourceGen/AsmGen/GenCommon.cs
View File

@ -267,6 +267,11 @@ namespace SourceGen.AsmGen {
}
string operandStr = formatter.FormatOperand(op, formattedOperand, wdis);
if (gen.Quirks.StackIntOperandIsImmediate && op.AddrMode == OpDef.AddressMode.StackInt) {
// COP $02 is standard, but some require COP #$02
operandStr = '#' + operandStr;
}
string eolComment = proj.Comments[offset];
if (doAddCycles) {
bool branchCross = (attr.Address & 0xff00) != (operandForSymbol & 0xff00);

5
SourceGen/AsmGen/IGenerator.cs
View File

@ -178,6 +178,11 @@ namespace SourceGen.AsmGen {
/// </summary>
public bool BlockMoveArgsNoHash { get; set; }
/// <summary>
/// Do 8-bit constant args to StackInt ops (BRK/COP) require a leading '#'?
/// </summary>
public bool StackIntOperandIsImmediate { get; set; }
/// <summary>
/// Does the assembler configure assembler widths based on SEP/REP, but doesn't
/// track the emulation bit?

2
SourceGen/SGTestData/Expected/1000-allops-value-65816_64tass.S
View File

@ -20,7 +20,7 @@
.byte $ff
L101F ora ($ff,x)
.byte $02,$ff
cop #$ff
ora $ff,s
tsb $ff
ora $ff

2
SourceGen/SGTestData/Expected/1001-allops-zero-65816_64tass.S
View File

@ -20,7 +20,7 @@
.byte $00
L101F ora ($00,x)
.byte $02,$00
cop #$00
ora $00,s
tsb $00
ora $00

2
SourceGen/SGTestData/Expected/2014-label-dp_64tass.S
View File

@ -21,7 +21,7 @@
.byte $80
L101F ora (L0080,x)
.byte $02,$80
cop #$80
ora $80,s
tsb L0080
ora L0080