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https://github.com/irmen/prog8.git
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fixed split-word array in-place element +/- (other operators not yet...)
This commit is contained in:
Irmen de Jong
parent
64d8943b7d
commit
0800033b47
@ -208,10 +208,23 @@ internal class AugmentableAssignmentAsmGen(private val program: PtProgram,
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TargetStorageKind.ARRAY -> {
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val indexNum = target.array!!.index as? PtNumber
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if (indexNum!=null) {
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val targetVarName = if(target.array.splitWords)
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"${target.asmVarname} + ${indexNum.number.toInt()}"
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else
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"${target.asmVarname} + ${indexNum.number.toInt()*program.memsizer.memorySize(target.datatype)}"
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val index = indexNum.number.toInt()
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if(target.array.splitWords) {
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when(value.kind) {
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SourceStorageKind.LITERALNUMBER -> inplacemodificationSplitWordWithLiteralval(target.asmVarname, index, operator, value.number!!.number.toInt())
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else -> {
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// TODO: more optimized code for VARIABLE, REGISTER, MEMORY, ARRAY, EXPRESSION in the case of split-word arrays
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val scope = target.origAstTarget?.definingSub()
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val regTarget = AsmAssignTarget.fromRegisters(RegisterOrPair.R0, false, target.position, scope, asmgen)
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val assignToReg = AsmAssignment(value, regTarget, program.memsizer, target.position)
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assignmentAsmGen.translateNormalAssignment(assignToReg, scope)
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inplacemodificationSplitWordWithR0(target.asmVarname, index, operator)
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}
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}
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return
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}
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// normal array
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val targetVarName = "${target.asmVarname} + ${index*program.memsizer.memorySize(target.datatype)}"
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when (target.datatype) {
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in ByteDatatypes -> {
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when(value.kind) {
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@ -458,6 +471,91 @@ internal class AugmentableAssignmentAsmGen(private val program: PtProgram,
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}
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}
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private fun inplacemodificationSplitWordWithR0(arrayVar: String, index: Int, operator: String) {
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when (operator) {
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"+" -> {
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asmgen.out("""
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lda ${arrayVar}_lsb+$index
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clc
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adc cx16.r0L
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sta ${arrayVar}_lsb+$index
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lda ${arrayVar}_msb+$index
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adc cx16.r0H
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sta ${arrayVar}_msb+$index""")
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}
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"-" -> {
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asmgen.out("""
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lda ${arrayVar}_lsb+$index
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sec
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sbc cx16.r0L
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sta ${arrayVar}_lsb+$index
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lda ${arrayVar}_msb+$index
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sbc cx16.r0H
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sta ${arrayVar}_msb+$index""")
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}
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else -> TODO("in-place modify split-words array value for operator $operator")
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}
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}
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private fun inplacemodificationSplitWordWithLiteralval(arrayVar: String, index: Int, operator: String, value: Int) {
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// note: this contains special optimized cases because we know the exact value. Don't replace this with another routine.
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when (operator) {
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"+" -> {
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when {
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value==0 -> {}
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value in 1..0xff -> asmgen.out("""
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lda ${arrayVar}_lsb+$index
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clc
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adc #$value
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sta ${arrayVar}_lsb+$index
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bcc +
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inc ${arrayVar}_msb+$index
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+""")
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value==0x0100 -> asmgen.out(" inc ${arrayVar}_msb+$index")
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value==0x0200 -> asmgen.out(" inc ${arrayVar}_msb+$index | inc ${arrayVar}_msb+$index")
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value==0x0300 -> asmgen.out(" inc ${arrayVar}_msb+$index | inc ${arrayVar}_msb+$index | inc ${arrayVar}_msb+$index")
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value==0x0400 -> asmgen.out(" inc ${arrayVar}_msb+$index | inc ${arrayVar}_msb+$index | inc ${arrayVar}_msb+$index | inc ${arrayVar}_msb+$index")
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value and 255==0 -> asmgen.out(" lda ${arrayVar}_msb+$index | clc | adc #>$value | sta ${arrayVar}_msb+$index")
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else -> asmgen.out("""
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lda ${arrayVar}_lsb+$index
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clc
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adc #<$value
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sta ${arrayVar}_lsb+$index
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lda ${arrayVar}_msb+$index
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adc #>$value
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sta ${arrayVar}_msb+$index""")
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}
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}
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"-" -> {
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when {
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value==0 -> {}
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value in 1..0xff -> asmgen.out("""
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lda ${arrayVar}_lsb+$index
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sec
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sbc #$value
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sta ${arrayVar}_lsb+$index
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bcs +
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dec ${arrayVar}_msb+$index
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+""")
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value==0x0100 -> asmgen.out(" dec ${arrayVar}_msb+$index")
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value==0x0200 -> asmgen.out(" dec ${arrayVar}_msb+$index | dec ${arrayVar}_msb+$index")
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value==0x0300 -> asmgen.out(" dec ${arrayVar}_msb+$index | dec ${arrayVar}_msb+$index | dec ${arrayVar}_msb+$index")
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value==0x0400 -> asmgen.out(" dec ${arrayVar}_msb+$index | dec ${arrayVar}_msb+$index | dec ${arrayVar}_msb+$index | dec ${arrayVar}_msb+$index")
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value and 255==0 -> asmgen.out(" lda ${arrayVar}_msb+$index | sec | sbc #>$value | sta ${arrayVar}_msb+$index")
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else -> asmgen.out("""
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lda ${arrayVar}_lsb+$index
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sec
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sbc #<$value
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sta ${arrayVar}_lsb+$index
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lda ${arrayVar}_msb+$index
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sbc #>$value
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sta ${arrayVar}_msb+$index""")
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}
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}
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else -> TODO("in-place modify split-words array value for operator $operator")
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}
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}
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private fun inplacemodificationRegisterAXwithVariable(operator: String, variable: String, varDt: DataType): Boolean {
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when(operator) {
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"+" -> {
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@ -5,16 +5,53 @@
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main {
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sub start() {
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ubyte @shared xx
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uword[3] ubarr
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bool[3] barr
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float[3] flarr
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bool @shared bb
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ubyte @shared index = 1
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ubarr[1] = ubarr[1] < 2
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ubarr[1] = ubarr[1] <= 2
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ubarr[1] = ubarr[1] > 3
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ubarr[1] = ubarr[1] >= 3
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; @(2000) = 99
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; uword @shared ptr = 2000
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; txt.print_ub(@(2000))
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; txt.nl()
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; @(2000) ++
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; @(2000) ++
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; @(2000) --
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; txt.print_ub(@(2000))
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; txt.nl()
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uword[3] @split arr
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arr[1] = 9999
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txt.print_uw(arr[1])
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txt.nl()
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arr[1] = arr[1]*5
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cx16.r0=2222
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arr[1] *= cx16.r0
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arr[1] -=5
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arr[1] -=index
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txt.print_uw(arr[1])
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txt.nl()
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; arr[index] = 9999
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; txt.print_uw(arr[index])
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; txt.nl()
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; arr[index] += 5
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; arr[index] += 5
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; arr[index] -= 5
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; txt.print_uw(arr[index])
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; txt.nl()
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;
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; ubyte @shared xx
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; uword[3] ubarr
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; bool[3] barr
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; float[3] flarr
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; bool @shared bb
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;
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; ubarr[1] = ubarr[1] < 2
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; ubarr[1] = ubarr[1] <= 2
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; ubarr[1] = ubarr[1] > 3
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; ubarr[1] = ubarr[1] >= 3
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; barr[1] = barr[0] and barr[2]
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; barr[1] = barr[0] or barr[2]
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