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https://github.com/irmen/prog8.git
synced 2024-12-24 01:29:28 +00:00
really fix byte-word sign extension for function args as expression
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parent
9e54e11113
commit
73524e01a6
@ -39,16 +39,20 @@ enum class DataType {
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infix fun isAssignableTo(targetTypes: Set<DataType>) = targetTypes.any { this isAssignableTo it }
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infix fun largerThan(other: DataType) =
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when(this) {
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in ByteDatatypes -> false
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in WordDatatypes -> other in ByteDatatypes
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when {
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this == other -> false
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this in ByteDatatypes -> false
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this in WordDatatypes -> other in ByteDatatypes
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this==STR && other==UWORD || this==UWORD && other==STR -> false
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else -> true
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}
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infix fun equalsSize(other: DataType) =
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when(this) {
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in ByteDatatypes -> other in ByteDatatypes
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in WordDatatypes -> other in WordDatatypes
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when {
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this == other -> true
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this in ByteDatatypes -> other in ByteDatatypes
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this in WordDatatypes -> other in WordDatatypes
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this==STR && other==UWORD || this==UWORD && other==STR -> true
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else -> false
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}
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@ -611,7 +611,7 @@ $endLabel""")
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private fun assignLoopvar(stmt: ForLoop, range: RangeExpr) {
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val target = AsmAssignTarget(TargetStorageKind.VARIABLE, program, asmgen, stmt.loopVarDt(program).typeOrElse(DataType.STRUCT), stmt.definingSubroutine(), variable=stmt.loopVar)
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val src = AsmAssignSource.fromAstSource(range.from, program).adjustDataTypeToTarget(target)
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val src = AsmAssignSource.fromAstSource(range.from, program).adjustSignedUnsigned(target)
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val assign = AsmAssignment(src, target, false, range.position)
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asmgen.translateNormalAssignment(assign)
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}
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@ -159,7 +159,7 @@ internal class FunctionCallAsmGen(private val program: Program, private val asmg
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val identifier = IdentifierReference(scopedParamVar, sub.position)
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identifier.linkParents(value.parent)
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val tgt = AsmAssignTarget(TargetStorageKind.VARIABLE, program, asmgen, parameter.value.type, sub, variable = identifier)
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val source = AsmAssignSource.fromAstSource(value, program).adjustDataTypeToTarget(tgt)
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val source = AsmAssignSource.fromAstSource(value, program).adjustSignedUnsigned(tgt)
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val asgn = AsmAssignment(source, tgt, false, Position.DUMMY)
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asmgen.translateNormalAssignment(asgn)
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}
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@ -179,7 +179,7 @@ internal class FunctionCallAsmGen(private val program: Program, private val asmg
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val stack = paramRegister.stack
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val requiredDt = parameter.value.type
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if(requiredDt!=valueDt) {
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if(valueDt.largerThan(requiredDt))
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if(valueDt largerThan requiredDt)
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throw AssemblyError("can only convert byte values to word param types")
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}
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when {
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@ -233,19 +233,27 @@ internal class FunctionCallAsmGen(private val program: Program, private val asmg
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else -> {
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// via register or register pair
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val target = AsmAssignTarget.fromRegisters(register!!, sub, program, asmgen)
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val src = if(valueDt in PassByReferenceDatatypes) {
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if(value is IdentifierReference) {
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val addr = AddressOf(value, Position.DUMMY)
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AsmAssignSource.fromAstSource(addr, program).adjustDataTypeToTarget(target)
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} else {
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AsmAssignSource.fromAstSource(value, program).adjustDataTypeToTarget(target)
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}
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} else {
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AsmAssignSource.fromAstSource(value, program).adjustDataTypeToTarget(target)
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if(requiredDt largerThan valueDt) {
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// TODO we need to sign extend the source, do this via stack (slow)
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println("warning: slow stack evaluation used for sign-extend: into $requiredDt at ${value.position}")
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asmgen.translateExpression(value)
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asmgen.signExtendStackLsb(valueDt)
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val src = AsmAssignSource(SourceStorageKind.STACK, program, valueDt)
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asmgen.translateNormalAssignment(AsmAssignment(src, target, false, Position.DUMMY))
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}
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else {
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val src = if(valueDt in PassByReferenceDatatypes) {
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if(value is IdentifierReference) {
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val addr = AddressOf(value, Position.DUMMY)
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AsmAssignSource.fromAstSource(addr, program).adjustSignedUnsigned(target)
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} else {
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AsmAssignSource.fromAstSource(value, program).adjustSignedUnsigned(target)
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}
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} else {
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AsmAssignSource.fromAstSource(value, program).adjustSignedUnsigned(target)
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}
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asmgen.translateNormalAssignment(AsmAssignment(src, target, false, Position.DUMMY))
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}
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// the following routine knows about converting byte to word if required:
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asmgen.translateNormalAssignment(AsmAssignment(src, target, false, Position.DUMMY))
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}
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}
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}
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@ -165,7 +165,7 @@ internal class AsmAssignSource(val kind: SourceStorageKind,
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fun withAdjustedDt(newType: DataType) =
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AsmAssignSource(kind, program, newType, variable, array, memory, register, number, expression)
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fun adjustDataTypeToTarget(target: AsmAssignTarget): AsmAssignSource {
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fun adjustSignedUnsigned(target: AsmAssignTarget): AsmAssignSource {
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// allow some signed/unsigned relaxations
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if(target.datatype!=datatype) {
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if(target.datatype in ByteDatatypes && datatype in ByteDatatypes) {
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@ -18,7 +18,7 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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fun translate(assignment: Assignment) {
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val target = AsmAssignTarget.fromAstAssignment(assignment, program, asmgen)
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val source = AsmAssignSource.fromAstSource(assignment.value, program).adjustDataTypeToTarget(target)
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val source = AsmAssignSource.fromAstSource(assignment.value, program).adjustSignedUnsigned(target)
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val assign = AsmAssignment(source, target, assignment.isAugmentable, assignment.position)
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target.origAssign = assign
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@ -7,6 +7,25 @@ main {
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sub start() {
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print_10s(1)
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txt.chrout('\n')
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print_10s(123)
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txt.chrout('\n')
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print_10s(54321)
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txt.chrout('\n')
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txt.chrout('\n')
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ubyte ww
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ww=1
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print_10s(ww)
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txt.chrout('\n')
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ww=123
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print_10s(ww)
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txt.chrout('\n')
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ww=255
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print_10s(ww)
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txt.chrout('\n')
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txt.print("\nCommands are:\n"+
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"buy jump inf cash\n" +
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"sell teleport market hold\n" +
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@ -30,6 +49,32 @@ main {
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}
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asmsub print_10s(uword value @AY) clobbers(A, X, Y) {
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%asm {{
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jsr conv.uword2decimal
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lda conv.uword2decimal.decTenThousands
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cmp #'0'
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beq +
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jsr c64.CHROUT
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+ lda conv.uword2decimal.decThousands
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cmp #'0'
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beq +
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jsr c64.CHROUT
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+ lda conv.uword2decimal.decHundreds
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cmp #'0'
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beq +
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jsr c64.CHROUT
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+ lda conv.uword2decimal.decTens
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jsr c64.CHROUT
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lda #'.'
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jsr c64.CHROUT
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lda conv.uword2decimal.decOnes
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jsr c64.CHROUT
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rts
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}}
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}
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asmsub testX() {
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%asm {{
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stx _saveX
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@ -179,10 +179,10 @@ market {
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sub display() {
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ubyte ci
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txt.print(" COMMODITY / PRICE / AVAIL / IN HOLD\n")
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txt.print(" COMMODITY / PRICE / AVAIL / IN HOLD\n")
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for ci in 0 to len(names)-1 {
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util.print_right(12, names[ci])
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txt.print(" ")
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util.print_right(13, names[ci])
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txt.print(" ")
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util.print_10s(current_price[ci])
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txt.print(" ")
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txt.print_ub(current_quantity[ci])
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