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https://github.com/irmen/prog8.git
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IR: better code for array element assignments (w.i.p.)
This commit is contained in:
Irmen de Jong
parent
8f56a7fe69
commit
f2010bf7a5
@ -14,5 +14,6 @@
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<orderEntry type="module" module-name="intermediate" />
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<orderEntry type="library" name="io.kotest.assertions.core.jvm" level="project" />
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<orderEntry type="library" name="io.kotest.runner.junit5.jvm" level="project" />
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<orderEntry type="library" name="michael.bull.kotlin.result.jvm" level="project" />
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</component>
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</module>
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@ -1,5 +1,8 @@
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package prog8.codegen.intermediate
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import com.github.michaelbull.result.Ok
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import com.github.michaelbull.result.Result
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import com.github.michaelbull.result.getOrElse
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import prog8.code.ast.*
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import prog8.code.core.AssemblyError
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import prog8.code.core.DataType
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@ -7,6 +10,7 @@ import prog8.code.core.PrefixOperators
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import prog8.code.core.SignedDatatypes
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import prog8.intermediate.*
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internal class AssignmentGen(private val codeGen: IRCodeGen, private val expressionEval: ExpressionGen) {
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internal fun translate(assignment: PtAssignment): IRCodeChunks {
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@ -34,10 +38,7 @@ internal class AssignmentGen(private val codeGen: IRCodeGen, private val express
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else
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fallbackAssign(augAssign)
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} else if(array!=null) {
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// NOTE: naive fallback assignment here will sometimes generate code that loads the index value multiple times
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// in a register. It's way too much work to optimize that here - instead, we trust that the generated IL assembly
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// will be optimized later and have the double assignments removed.
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fallbackAssign(augAssign)
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assignArrayAugmented(array, augAssign)
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} else {
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fallbackAssign(augAssign)
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}
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@ -45,10 +46,7 @@ internal class AssignmentGen(private val codeGen: IRCodeGen, private val express
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return chunks
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}
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private fun assignMemoryAugmented(
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address: Int,
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assignment: PtAugmentedAssign
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): IRCodeChunks {
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private fun assignMemoryAugmented(address: Int, assignment: PtAugmentedAssign): IRCodeChunks {
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val value = assignment.value
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val targetDt = irType(assignment.target.type)
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val signed = assignment.target.type in SignedDatatypes
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@ -63,7 +61,7 @@ internal class AssignmentGen(private val codeGen: IRCodeGen, private val express
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"<<=" -> expressionEval.operatorShiftLeftInplace(address, null, targetDt, value)
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">>=" -> expressionEval.operatorShiftRightInplace(address, null, targetDt, signed, value)
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"%=" -> expressionEval.operatorModuloInplace(address, null, targetDt, value)
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"==" -> expressionEval.operatorEqualsInplace(address, null, targetDt, value)
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"==" -> expressionEval.operatorEqualsNotEqualsInplace(address, null, targetDt, value)
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"!=" -> expressionEval.operatorNotEqualsInplace(address, null, targetDt, value)
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"<" -> expressionEval.operatorLessInplace(address, null, targetDt, signed, value)
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">" -> expressionEval.operatorGreaterInplace(address, null, targetDt, signed, value)
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@ -92,17 +90,49 @@ internal class AssignmentGen(private val codeGen: IRCodeGen, private val express
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"<<=" -> expressionEval.operatorShiftLeftInplace(null, symbol, targetDt, value)
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">>=" -> expressionEval.operatorShiftRightInplace(null, symbol, targetDt, signed, value)
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"%=" -> expressionEval.operatorModuloInplace(null, symbol, targetDt, value)
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"==" -> expressionEval.operatorEqualsInplace(null, symbol, targetDt, value)
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"==" -> expressionEval.operatorEqualsNotEqualsInplace(null, symbol, targetDt, value)
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"!=" -> expressionEval.operatorNotEqualsInplace(null, symbol, targetDt, value)
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"<" -> expressionEval.operatorLessInplace(null, symbol, targetDt, signed, value)
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">" -> expressionEval.operatorGreaterInplace(null, symbol, targetDt, signed, value)
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"<=" -> expressionEval.operatorLessEqualInplace(null, symbol, targetDt, signed, value)
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">=" -> expressionEval.operatorGreaterEqualInplace(null, symbol, targetDt, signed, value)
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in PrefixOperators -> inplacePrefix(assignment.operator, targetDt, null, symbol)
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else -> throw AssemblyError("invalid augmented assign operator ${assignment.operator}")
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}
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}
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private fun assignArrayAugmented(array: PtArrayIndexer, assignment: PtAugmentedAssign): IRCodeChunks {
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val eltSize = codeGen.program.memsizer.memorySize(array.type)
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val value = assignment.value
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val signed = assignment.target.type in SignedDatatypes
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val result = when(assignment.operator) {
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// TODO implement all of these:
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// "+=" -> expressionEval.operatorPlusInplace(array, eltSize, value)
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// "-=" -> expressionEval.operatorMinusInplace(array, eltSize, value)
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// "*=" -> expressionEval.operatorMultiplyInplace(array, eltSize, value)
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// "/=" -> expressionEval.operatorDivideInplace(array, eltSize, signed, value)
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// "|=" -> expressionEval.operatorOrInplace(array, eltSize, value)
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// "&=" -> expressionEval.operatorAndInplace(array, eltSize, value)
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// "^=" -> expressionEval.operatorXorInplace(array, eltSize, value)
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// "<<=" -> expressionEval.operatorShiftLeftInplace(array, eltSize, value)
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// ">>=" -> expressionEval.operatorShiftRightInplace(array, eltSize, signed, value)
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// "%=" -> expressionEval.operatorModuloInplace(array, eltSize, value)
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"==" -> expressionEval.operatorEqualsNotEqualsInplace(array, eltSize, value, true)
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"!=" -> expressionEval.operatorEqualsNotEqualsInplace(array, eltSize, value, false)
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// "<" -> expressionEval.operatorLessInplace(array, eltSize, signed, value) // TODO reuse code from ==
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// ">" -> expressionEval.operatorGreaterInplace(array, eltSize, signed, value) // TODO reuse code from ==
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// "<=" -> expressionEval.operatorLessEqualInplace(array, eltSize, signed, value) // TODO reuse code from ==
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// ">=" -> expressionEval.operatorGreaterEqualInplace(array, eltSize, signed, value) // TODO reuse code from ==
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in PrefixOperators -> inplacePrefix(assignment.operator, array, eltSize)
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// else -> Err(NotImplementedError("invalid augmented assign operator ${assignment.operator}"))
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else -> throw AssemblyError("invalid augmented assign operator ${assignment.operator}")
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}
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return result.getOrElse { fallbackAssign(assignment) }
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}
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private fun fallbackAssign(origAssign: PtAugmentedAssign): IRCodeChunks {
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val value: PtExpression
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if(origAssign.operator in PrefixOperators) {
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@ -122,12 +152,79 @@ internal class AssignmentGen(private val codeGen: IRCodeGen, private val express
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return translateRegularAssign(normalAssign)
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}
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private fun inplacePrefix(operator: String, array: PtArrayIndexer, eltSize: Int): Result<IRCodeChunks, NotImplementedError> {
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if(array.splitWords)
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TODO("inplace prefix for split word array")
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val result = mutableListOf<IRCodeChunkBase>()
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val vmDt = irType(array.type)
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val constIndex = array.index.asConstInteger()
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when(operator) {
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"+" -> { }
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"-" -> {
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if(constIndex!=null) {
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addInstr(result, IRInstruction(Opcode.NEGM, vmDt, labelSymbol = array.variable.name, symbolOffset = constIndex*eltSize), null)
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} else {
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val register = codeGen.registers.nextFree()
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val tr = expressionEval.translateExpression(array.index)
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addToResult(result, tr, tr.resultReg, -1)
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if(eltSize>1)
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result += codeGen.multiplyByConst(IRDataType.BYTE, tr.resultReg, eltSize)
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.LOADX, vmDt, reg1 = register, reg2 = tr.resultReg, labelSymbol = array.variable.name)
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it += IRInstruction(Opcode.NEG, vmDt, reg1 = register)
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it += IRInstruction(Opcode.STOREX, vmDt, reg1 = register, reg2 = tr.resultReg, labelSymbol = array.variable.name)
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}
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}
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}
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"~" -> {
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if(constIndex!=null) {
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addInstr(result, IRInstruction(Opcode.INVM, vmDt, labelSymbol = array.variable.name, symbolOffset = constIndex*eltSize), null)
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} else {
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val register = codeGen.registers.nextFree()
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val tr = expressionEval.translateExpression(array.index)
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addToResult(result, tr, tr.resultReg, -1)
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if(eltSize>1)
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result += codeGen.multiplyByConst(IRDataType.BYTE, tr.resultReg, eltSize)
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.LOADX, vmDt, reg1 = register, reg2 = tr.resultReg, labelSymbol = array.variable.name)
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it += IRInstruction(Opcode.INV, vmDt, reg1 = register)
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it += IRInstruction(Opcode.STOREX, vmDt, reg1 = register, reg2 = tr.resultReg, labelSymbol = array.variable.name)
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}
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}
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}
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"not" -> {
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val register = codeGen.registers.nextFree()
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if(constIndex!=null) {
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// TODO: in boolean branch, is 'not' handled ok like this?
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.LOAD, vmDt, reg1=register, immediate = 1)
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it += IRInstruction(Opcode.XORM, vmDt, reg1=register, labelSymbol = array.variable.name, symbolOffset = constIndex*eltSize)
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}
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} else {
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val tr = expressionEval.translateExpression(array.index)
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addToResult(result, tr, tr.resultReg, -1)
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if(eltSize>1)
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result += codeGen.multiplyByConst(IRDataType.BYTE, tr.resultReg, eltSize)
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.LOADX, vmDt, reg1 = register, reg2 = tr.resultReg, labelSymbol = array.variable.name)
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it += IRInstruction(Opcode.XOR, vmDt, reg1 = register, immediate = 1)
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it += IRInstruction(Opcode.STOREX, vmDt, reg1 = register, reg2 = tr.resultReg, labelSymbol = array.variable.name)
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}
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}
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}
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else -> throw AssemblyError("weird prefix operator")
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}
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return Ok(result)
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}
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private fun inplacePrefix(operator: String, vmDt: IRDataType, address: Int?, symbol: String?): IRCodeChunks {
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val code= IRCodeChunk(null, null)
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when(operator) {
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"+" -> { }
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"-" -> code += IRInstruction(Opcode.NEGM, vmDt, address = address, labelSymbol = symbol)
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"~" -> code += IRInstruction(Opcode.INVM, vmDt, address = address, labelSymbol = symbol)
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// TODO: in boolean branch, how is 'not' handled here?
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else -> throw AssemblyError("weird prefix operator")
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}
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return listOf(code)
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@ -1,11 +1,15 @@
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package prog8.codegen.intermediate
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import com.github.michaelbull.result.Err
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import com.github.michaelbull.result.Ok
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import com.github.michaelbull.result.Result
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import prog8.code.StRomSub
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import prog8.code.StSub
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import prog8.code.ast.*
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import prog8.code.core.*
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import prog8.intermediate.*
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internal class ExpressionCodeResult(val chunks: IRCodeChunks, val dt: IRDataType, val resultReg: Int, val resultFpReg: Int) {
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constructor(chunks: IRCodeChunk, dt: IRDataType, resultReg: Int, resultFpReg: Int) : this(listOf(chunks), dt, resultReg, resultFpReg)
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@ -193,15 +197,14 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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if(arrayIx.splitWords) {
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require(vmDt==IRDataType.WORD)
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val arrayLength = codeGen.symbolTable.getLength(arrayIx.variable.name)
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resultRegister = codeGen.registers.nextFree()
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val finalResultReg = codeGen.registers.nextFree()
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if(arrayIx.index is PtNumber) {
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val memOffset = (arrayIx.index as PtNumber).number.toInt()
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result += IRCodeChunk(null, null).also {
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val tmpRegMsb = codeGen.registers.nextFree()
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it += IRInstruction(Opcode.LOADM, IRDataType.BYTE, reg1=tmpRegMsb, immediate = arrayLength, labelSymbol= "${arrayVarSymbol}_msb", symbolOffset = memOffset)
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it += IRInstruction(Opcode.LOADM, IRDataType.BYTE, reg1=resultRegister, immediate = arrayLength, labelSymbol= "${arrayVarSymbol}_lsb", symbolOffset = memOffset)
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it += IRInstruction(Opcode.LOADM, IRDataType.BYTE, reg1=tmpRegMsb, labelSymbol= "${arrayVarSymbol}_msb", symbolOffset = memOffset)
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it += IRInstruction(Opcode.LOADM, IRDataType.BYTE, reg1=resultRegister, labelSymbol= "${arrayVarSymbol}_lsb", symbolOffset = memOffset)
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it += IRInstruction(Opcode.CONCAT, IRDataType.BYTE, reg1=finalResultReg, reg2=tmpRegMsb, reg3=resultRegister)
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}
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} else {
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@ -209,8 +212,8 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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addToResult(result, tr, tr.resultReg, -1)
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result += IRCodeChunk(null, null).also {
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val tmpRegMsb = codeGen.registers.nextFree()
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegMsb, reg2 = tr.resultReg, immediate = arrayLength, labelSymbol= "${arrayVarSymbol}_msb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=resultRegister, reg2 = tr.resultReg, immediate = arrayLength, labelSymbol= "${arrayVarSymbol}_lsb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegMsb, reg2 = tr.resultReg, labelSymbol= "${arrayVarSymbol}_msb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=resultRegister, reg2 = tr.resultReg, labelSymbol= "${arrayVarSymbol}_lsb")
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it += IRInstruction(Opcode.CONCAT, IRDataType.BYTE, reg1=finalResultReg, reg2=tmpRegMsb, reg3=resultRegister)
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}
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}
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@ -1338,7 +1341,7 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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return result
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}
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fun operatorEqualsInplace(knownAddress: Int?, symbol: String?, vmDt: IRDataType, operand: PtExpression): IRCodeChunks {
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fun operatorEqualsNotEqualsInplace(knownAddress: Int?, symbol: String?, vmDt: IRDataType, operand: PtExpression): IRCodeChunks {
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return if(vmDt==IRDataType.FLOAT) {
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createInplaceFloatComparison(knownAddress, symbol, operand, Opcode.SEQ)
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} else {
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@ -1391,7 +1394,7 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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}
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}
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private fun createInplaceComparison(
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private fun createInplaceComparison(
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knownAddress: Int?,
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symbol: String?,
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vmDt: IRDataType,
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@ -1402,6 +1405,7 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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val valueReg = codeGen.registers.nextFree()
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val cmpResultReg = codeGen.registers.nextFree()
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if(operand is PtNumber) {
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// TODO optimize if operand is 0
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val numberReg = codeGen.registers.nextFree()
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if (knownAddress != null) {
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// in-place modify a memory location
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@ -1453,6 +1457,7 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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val cmpReg = codeGen.registers.nextFree()
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val zeroReg = codeGen.registers.nextFree()
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if(operand is PtNumber) {
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// TODO optimize if operand is 0 ?
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val numberReg = codeGen.registers.nextFreeFloat()
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val cmpResultReg = codeGen.registers.nextFree()
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if (knownAddress != null) {
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@ -1507,6 +1512,38 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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return result
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}
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fun operatorEqualsNotEqualsInplace(array: PtArrayIndexer, eltSize: Int, value: PtExpression, equals: Boolean): Result<IRCodeChunks, NotImplementedError> {
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val result = mutableListOf<IRCodeChunkBase>()
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if(array.splitWords)
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TODO("inplace == for split word array")
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if(array.usesPointerVariable)
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TODO("inplace == for pointer variable")
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val vmDt = irType(array.type)
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val constIndex = array.index.asConstInteger()
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val constValue = value.asConstInteger()
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val cmpResultReg = codeGen.registers.nextFree()
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if(constIndex!=null) {
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if(constValue!=null) {
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val valueReg = codeGen.registers.nextFree()
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if(constValue==0) {
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val compareAndSetOpcode = if(equals) Opcode.SZ else Opcode.SNZ
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.LOADM, vmDt, reg1=valueReg, labelSymbol = array.variable.name, symbolOffset = constIndex*eltSize)
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it += IRInstruction(compareAndSetOpcode, vmDt, reg1=cmpResultReg, reg2=valueReg)
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it += IRInstruction(Opcode.STOREM, vmDt, reg1 = cmpResultReg, labelSymbol = array.variable.name, symbolOffset = constIndex*eltSize)
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}
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} else {
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return Err(NotImplementedError("compare against non-zero value"))
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}
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} else {
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TODO("non const value")
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}
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} else {
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TODO("non const index")
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}
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return Ok(result)
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}
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}
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@ -475,8 +475,8 @@ class IRCodeGen(
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val tmpRegLsb = registers.nextFree()
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val tmpRegMsb = registers.nextFree()
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val concatReg = registers.nextFree()
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegMsb, reg2=indexReg, immediate = iterableLength, labelSymbol=iterable.name+"_msb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegLsb, reg2=indexReg, immediate = iterableLength, labelSymbol=iterable.name+"_lsb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegMsb, reg2=indexReg, labelSymbol=iterable.name+"_msb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegLsb, reg2=indexReg, labelSymbol=iterable.name+"_lsb")
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it += IRInstruction(Opcode.CONCAT, IRDataType.BYTE, reg1=concatReg, reg2=tmpRegMsb, reg3=tmpRegLsb)
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it += IRInstruction(Opcode.STOREM, irType(elementDt), reg1=concatReg, labelSymbol = loopvarSymbol)
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}
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@ -1462,7 +1462,6 @@ class IRCodeGen(
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else -> throw AssemblyError("weird operator")
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}
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} else {
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val arrayLength = symbolTable.getLength(array.variable.name)
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val indexTr = expressionEval.translateExpression(array.index)
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addToResult(result, indexTr, indexTr.resultReg, -1)
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val incReg = registers.nextFree()
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@ -1470,28 +1469,28 @@ class IRCodeGen(
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when(postIncrDecr.operator) {
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"++" -> {
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_lsb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_lsb")
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it += IRInstruction(Opcode.INC, IRDataType.BYTE, reg1=incReg)
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it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_lsb")
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it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_lsb")
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it += IRInstruction(Opcode.BSTNE, labelSymbol = skipLabel)
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_msb")
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||||
it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_msb")
|
||||
it += IRInstruction(Opcode.INC, IRDataType.BYTE, reg1=incReg)
|
||||
it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_msb")
|
||||
it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_msb")
|
||||
}
|
||||
result += IRCodeChunk(skipLabel, null)
|
||||
}
|
||||
"--" -> {
|
||||
result += IRCodeChunk(null, null).also {
|
||||
it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_lsb")
|
||||
it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_lsb")
|
||||
it += IRInstruction(Opcode.BSTNE, labelSymbol = skipLabel)
|
||||
it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_msb")
|
||||
it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_msb")
|
||||
it += IRInstruction(Opcode.DEC, IRDataType.BYTE, reg1=incReg)
|
||||
it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_msb")
|
||||
it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_msb")
|
||||
}
|
||||
result += IRCodeChunk(skipLabel, null).also {
|
||||
it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_lsb")
|
||||
it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_lsb")
|
||||
it += IRInstruction(Opcode.DEC, IRDataType.BYTE, reg1=incReg)
|
||||
it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, immediate = arrayLength, labelSymbol = "${variable}_lsb")
|
||||
it += IRInstruction(Opcode.STOREX, IRDataType.BYTE, reg1=incReg, reg2=indexTr.resultReg, labelSymbol = "${variable}_lsb")
|
||||
}
|
||||
}
|
||||
else -> throw AssemblyError("weird operator")
|
||||
|
||||
@ -1,6 +1,10 @@
|
||||
TODO
|
||||
====
|
||||
|
||||
IR assignVarAugmented(): implement all operators.
|
||||
IR expressionGen.kt: optimize various stuff if the operand is const value 0
|
||||
|
||||
|
||||
maze: if cell & UP!=0 and @(celladdr(cx,cy-1)) & (WALKED|BACKTRACKED) ==0
|
||||
^^ adding this !=0 caused a weird beq + / lda #1 / + to appear in front of the shortcircuit beq...
|
||||
|
||||
@ -65,6 +69,7 @@ Optimizations:
|
||||
those checks should probably be removed, or be made permanent
|
||||
- optimizeCommonSubExpressions: currently only looks in expressions on a single line, could search across multiple expressions
|
||||
|
||||
|
||||
STRUCTS again?
|
||||
--------------
|
||||
|
||||
|
||||
@ -1,15 +1,32 @@
|
||||
%import textio
|
||||
%zeropage dontuse
|
||||
%zeropage basicsafe
|
||||
%option no_sysinit
|
||||
|
||||
main {
|
||||
sub start() {
|
||||
ubyte @shared ubb = 99
|
||||
uword @shared uww = 12345
|
||||
ubyte[200] @shared barr
|
||||
uword @shared ptr = memory("data", $2000, 0)
|
||||
uword[3] ubarr
|
||||
bool[3] barr
|
||||
bool @shared bb
|
||||
|
||||
%breakpoint
|
||||
; ubarr[1] = ubarr[1] + 2
|
||||
; ubarr[1] = ubarr[1] * 3
|
||||
|
||||
txt.print_uwhex(sys.progend(), true)
|
||||
; barr[1] = barr[0] and barr[2]
|
||||
; barr[1] = barr[0] or barr[2]
|
||||
; barr[1] = barr[0] xor barr[2]
|
||||
; barr[1] = not barr[0]
|
||||
|
||||
ubarr[1] = 999
|
||||
ubarr[1] = ubarr[1]==999
|
||||
txt.print_uw(ubarr[1])
|
||||
|
||||
; barr[1] = barr[1] and bb
|
||||
; barr[1] = barr[1] or bb
|
||||
; barr[1] = barr[1] xor bb
|
||||
|
||||
; bb = bb and barr[1]
|
||||
; bb = bb or barr[1]
|
||||
; bb = bb xor barr[1]
|
||||
; bb = not bb
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user