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This commit is contained in:
Irmen de Jong 2021-03-18 02:43:08 +01:00
parent 6780d4f562
commit 330e691b78
1 changed files with 15 additions and 17 deletions
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32
compiler/src/prog8/compiler/target/cpu6502/codegen/ExpressionsAsmGen.kt
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@ -501,7 +501,6 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
}
private fun translateWordLessJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
// TODO 100% checked ok.
fun code(msbCpyOperand: String, lsbCmpOperand: String) {
asmgen.out("""
@ -667,7 +666,7 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
}
private fun translateWordGreaterJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
// TODO 100% checked ok.
fun code(leftName: String) {
asmgen.out("""
cmp $leftName
@ -791,6 +790,8 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
private fun translateUwordLessOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
// TODO fix this uword <=
fun code(msbCpyOperand: String, lsbCmpOperand: String) {
asmgen.out("""
cpy $msbCpyOperand
@ -809,7 +810,6 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
} else {
if (left is IdentifierReference) {
return if(rightConstVal.number.toInt()!=0) {
// TODO is this correct? uword <= not-null
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
code("#>${rightConstVal.number}", "#<${rightConstVal.number}")
}
@ -825,7 +825,6 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
}
if(right is IdentifierReference) {
// TODO is this correct? uword <= variable
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
val varname = asmgen.asmVariableName(right)
return code("$varname+1", varname)
@ -838,6 +837,8 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
private fun translateWordLessOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
// TODO fix this word <=
fun code(msbCpyOperand: String, lsbCmpOperand: String) {
asmgen.out("""
cmp $msbCpyOperand
@ -857,27 +858,24 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
} else {
if (left is IdentifierReference) {
return if(rightConstVal.number.toInt()!=0) {
// TODO is this correct? word <= not-null
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
code("#>${rightConstVal.number}", "#<${rightConstVal.number}")
}
else {
// TODO is this correct? word <= 0 (can be shorter?)
val name = asmgen.asmVariableName(left)
asmgen.out("""
lda #0
cmp $name
sbc $name+1
bvc +
eor #$80
+ bmi $jumpIfFalseLabel""")
lda $name+1
bmi +
bne $jumpIfFalseLabel
lda $name
bne $jumpIfFalseLabel
+""")
}
}
}
}
if(right is IdentifierReference) {
// TODO is this correct? word <= variable
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
val varname = asmgen.asmVariableName(right)
return code("$varname+1", varname)
@ -961,6 +959,8 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
private fun translateUwordGreaterOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
// TODO fix this uword >=
fun code(msbCpyOperand: String, lsbCmpOperand: String) {
asmgen.out("""
cpy $msbCpyOperand
@ -979,7 +979,6 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
} else {
if (left is IdentifierReference) {
if(rightConstVal.number.toInt()!=0) {
// TODO is this correct? uword >= not-0
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
code("#>${rightConstVal.number}", "#<${rightConstVal.number}")
}
@ -988,7 +987,6 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
}
if(right is IdentifierReference) {
// TODO is this correct? uword >= variable
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
val varname = asmgen.asmVariableName(right)
return code("$varname+1", varname)
@ -1001,6 +999,8 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
private fun translateWordGreaterOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
// TODO fix this word >=
fun code(msbCpyOperand: String, lsbCmpOperand: String) {
asmgen.out("""
cmp $lsbCmpOperand
@ -1019,7 +1019,6 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
} else {
if (left is IdentifierReference) {
return if(rightConstVal.number.toInt()!=0) {
// TODO is this correct? word >= not-0
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
code("#>${rightConstVal.number}", "#<${rightConstVal.number}")
}
@ -1032,7 +1031,6 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
}
if(right is IdentifierReference) {
// TODO is this correct? word >= variable
asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
val varname = asmgen.asmVariableName(right)
return code("$varname+1", varname)