mirror of
https://github.com/irmen/prog8.git
synced 2024-11-26 11:49:22 +00:00
use 'stz' more often on 65c02 cpu (cx16)
This commit is contained in:
Irmen de Jong
parent
b3348eb22b
commit
a92ec14989
@ -1206,7 +1206,12 @@ $label nop""")
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internal fun signExtendStackLsb(valueDt: DataType) {
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// sign extend signed byte on stack to signed word on stack
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when(valueDt) {
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DataType.UBYTE -> out(" lda #0 | sta P8ESTACK_HI+1,x")
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DataType.UBYTE -> {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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out(" stz P8ESTACK_HI+1,x")
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else
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out(" lda #0 | sta P8ESTACK_HI+1,x")
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}
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DataType.BYTE -> out(" jsr prog8_lib.sign_extend_stack_byte")
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else -> throw AssemblyError("need byte type")
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}
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@ -1216,7 +1221,10 @@ $label nop""")
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// sign extend signed byte in a var to a full word in that variable
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when(valueDt) {
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DataType.UBYTE -> {
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out(" lda #0 | sta $asmvar+1")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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out(" stz $asmvar+1")
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else
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out(" lda #0 | sta $asmvar+1")
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}
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DataType.BYTE -> {
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out("""
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@ -1110,21 +1110,28 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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val sourceName = asmgen.asmVariableName(bytevar)
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when(wordtarget.kind) {
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TargetStorageKind.VARIABLE -> {
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asmgen.out("""
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lda $sourceName
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sta ${wordtarget.asmVarname}
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lda #0
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sta ${wordtarget.asmVarname}+1
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""")
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asmgen.out(" lda $sourceName | sta ${wordtarget.asmVarname}")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz ${wordtarget.asmVarname}+1")
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else
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asmgen.out(" lda #0 | sta ${wordtarget.asmVarname}+1")
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}
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TargetStorageKind.ARRAY -> {
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if (wordtarget.constArrayIndexValue!=null) {
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val scaledIdx = wordtarget.constArrayIndexValue!! * 2
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asmgen.out(" lda $sourceName | sta ${wordtarget.asmVarname}+$scaledIdx | lda #0 | sta ${wordtarget.asmVarname}+$scaledIdx+1")
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asmgen.out(" lda $sourceName | sta ${wordtarget.asmVarname}+$scaledIdx")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz ${wordtarget.asmVarname}+$scaledIdx+1")
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else
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asmgen.out(" lda #0 | sta ${wordtarget.asmVarname}+$scaledIdx+1")
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}
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else {
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asmgen.loadScaledArrayIndexIntoRegister(wordtarget.array!!, wordtarget.datatype, CpuRegister.Y)
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asmgen.out(" lda $sourceName | sta ${wordtarget.asmVarname},y | lda #0 | iny | sta ${wordtarget.asmVarname},y")
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asmgen.out(" lda $sourceName | sta ${wordtarget.asmVarname},y | iny")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz ${wordtarget.asmVarname},y")
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else
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asmgen.out(" lda #0 | sta ${wordtarget.asmVarname},y")
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}
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}
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TargetStorageKind.REGISTER -> {
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@ -1136,12 +1143,11 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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}
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}
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TargetStorageKind.STACK -> {
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asmgen.out("""
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lda $sourceName
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sta P8ESTACK_LO,x
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lda #0
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sta P8ESTACK_HI,x
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dex""")
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asmgen.out(" lda $sourceName | sta P8ESTACK_LO,x")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz P8ESTACK_HI,x | dex")
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else
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asmgen.out(" lda #0 | sta P8ESTACK_HI,x | dex")
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}
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else -> throw AssemblyError("target type isn't word")
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}
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@ -1392,14 +1398,23 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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TargetStorageKind.ARRAY -> {
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if (target.array!!.indexer.indexNum!=null) {
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val indexValue = target.array.indexer.constIndex()!! * DataType.FLOAT.memorySize()
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asmgen.out("""
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lda #0
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sta ${target.asmVarname}+$indexValue
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sta ${target.asmVarname}+$indexValue+1
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sta ${target.asmVarname}+$indexValue+2
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sta ${target.asmVarname}+$indexValue+3
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sta ${target.asmVarname}+$indexValue+4
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""")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out("""
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stz ${target.asmVarname}+$indexValue
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stz ${target.asmVarname}+$indexValue+1
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stz ${target.asmVarname}+$indexValue+2
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stz ${target.asmVarname}+$indexValue+3
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stz ${target.asmVarname}+$indexValue+4
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""")
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else
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asmgen.out("""
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lda #0
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sta ${target.asmVarname}+$indexValue
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sta ${target.asmVarname}+$indexValue+1
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sta ${target.asmVarname}+$indexValue+2
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sta ${target.asmVarname}+$indexValue+3
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sta ${target.asmVarname}+$indexValue+4
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""")
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} else {
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val asmvarname = asmgen.asmVariableName(target.array.indexer.indexVar!!)
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asmgen.out("""
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@ -1561,12 +1576,11 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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if (address != null) {
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when(wordtarget.kind) {
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TargetStorageKind.VARIABLE -> {
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asmgen.out("""
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lda ${address.toHex()}
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sta ${wordtarget.asmVarname}
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lda #0
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sta ${wordtarget.asmVarname}+1
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""")
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asmgen.out(" lda ${address.toHex()} | sta ${wordtarget.asmVarname}")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz ${wordtarget.asmVarname}+1")
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else
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asmgen.out(" lda #0 | sta ${wordtarget.asmVarname}+1")
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}
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TargetStorageKind.ARRAY -> {
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throw AssemblyError("no asm gen for assign memory byte at $address to array ${wordtarget.asmVarname}")
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@ -1578,12 +1592,11 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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else -> throw AssemblyError("word regs can only be pair")
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}
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TargetStorageKind.STACK -> {
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asmgen.out("""
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lda ${address.toHex()}
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sta P8ESTACK_LO,x
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lda #0
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sta P8ESTACK_HI,x
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dex""")
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asmgen.out(" lda ${address.toHex()} | sta P8ESTACK_LO,x")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz P8ESTACK_HI,x | dex")
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else
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asmgen.out(" lda #0 | sta P8ESTACK_HI,x | dex")
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}
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else -> throw AssemblyError("other types aren't word")
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}
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@ -1591,7 +1604,11 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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when(wordtarget.kind) {
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TargetStorageKind.VARIABLE -> {
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asmgen.loadByteFromPointerIntoA(identifier)
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asmgen.out(" sta ${wordtarget.asmVarname} | lda #0 | sta ${wordtarget.asmVarname}+1")
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asmgen.out(" sta ${wordtarget.asmVarname}")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz ${wordtarget.asmVarname}+1")
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else
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asmgen.out(" lda #0 | sta ${wordtarget.asmVarname}+1")
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}
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TargetStorageKind.ARRAY -> {
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throw AssemblyError("no asm gen for assign memory byte $identifier to array ${wordtarget.asmVarname} ")
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@ -1607,7 +1624,11 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
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}
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TargetStorageKind.STACK -> {
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asmgen.loadByteFromPointerIntoA(identifier)
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asmgen.out(" sta P8ESTACK_LO,x | lda #0 | sta P8ESTACK_HI,x | dex")
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asmgen.out(" sta P8ESTACK_LO,x")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz P8ESTACK_HI,x | dex")
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else
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asmgen.out(" lda #0 | sta P8ESTACK_HI,x | dex")
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}
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else -> throw AssemblyError("other types aren't word")
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}
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@ -643,14 +643,24 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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sta $name""")
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}
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"<<" -> {
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if(value>=8) asmgen.out(" lda #0 | sta $name")
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else repeat(value) { asmgen.out(" asl $name") }
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if(value>=8) {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name")
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else
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asmgen.out(" lda #0 | sta $name")
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}
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else repeat(value) { asmgen.out(" asl $name") }
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}
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">>" -> {
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if(value>0) {
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if (dt == DataType.UBYTE) {
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if(value>=8) asmgen.out(" lda #0 | sta $name")
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else repeat(value) { asmgen.out(" lsr $name") }
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if(value>=8) {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name")
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else
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asmgen.out(" lda #0 | sta $name")
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}
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else repeat(value) { asmgen.out(" lsr $name") }
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} else {
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when {
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value>=8 -> asmgen.out("""
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@ -665,7 +675,7 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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ldy #$value
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jsr math.lsr_byte_A
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sta $name""")
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else -> repeat(value) { asmgen.out(" lda $name | asl a | ror $name") }
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else -> repeat(value) { asmgen.out(" lda $name | asl a | ror $name") }
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}
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}
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}
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@ -858,8 +868,19 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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}
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"<<" -> {
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when {
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value>=16 -> asmgen.out(" lda #0 | sta $name | sta $name+1")
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value==8 -> asmgen.out(" lda $name | sta $name+1 | lda #0 | sta $name")
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value>=16 -> {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name | stz $name+1")
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else
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asmgen.out(" lda #0 | sta $name | sta $name+1")
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}
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value==8 -> {
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asmgen.out(" lda $name | sta $name+1")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name")
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else
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asmgen.out(" lda #0 | sta $name")
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}
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value>2 -> asmgen.out("""
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ldy #$value
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- asl $name
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@ -874,8 +895,19 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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if (value > 0) {
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if(dt==DataType.UWORD) {
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when {
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value>=16 -> asmgen.out(" lda #0 | sta $name | sta $name+1")
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value==8 -> asmgen.out(" lda $name+1 | sta $name | lda #0 | sta $name+1")
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value>=16 -> {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name | stz $name+1")
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else
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asmgen.out(" lda #0 | sta $name | sta $name+1")
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}
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value==8 -> {
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asmgen.out(" lda $name+1 | sta $name")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name+1")
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else
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asmgen.out(" lda #0 | sta $name+1")
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}
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value>2 -> asmgen.out("""
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ldy #$value
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- lsr $name+1
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@ -921,41 +953,41 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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when {
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value == 0 -> {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name | stz $name+1")
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asmgen.out(" stz $name | stz $name+1")
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else
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asmgen.out(" lda #0 | sta $name | sta $name+1")
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asmgen.out(" lda #0 | sta $name | sta $name+1")
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}
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value and 255 == 0 -> {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name")
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asmgen.out(" stz $name")
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else
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asmgen.out(" lda #0 | sta $name")
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asmgen.out(" lda $name+1 | and #>$value | sta $name+1")
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asmgen.out(" lda #0 | sta $name")
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asmgen.out(" lda $name+1 | and #>$value | sta $name+1")
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}
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value < 0x0100 -> {
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asmgen.out(" lda $name | and #$value | sta $name")
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asmgen.out(" lda $name | and #$value | sta $name")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name+1")
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else
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asmgen.out(" lda #0 | sta $name+1")
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}
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else -> asmgen.out(" lda $name | and #<$value | sta $name | lda $name+1 | and #>$value | sta $name+1")
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else -> asmgen.out(" lda $name | and #<$value | sta $name | lda $name+1 | and #>$value | sta $name+1")
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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 and 255 == 0 -> asmgen.out(" lda $name+1 | eor #>$value | sta $name+1")
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value < 0x0100 -> asmgen.out(" lda $name | eor #$value | sta $name")
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else -> asmgen.out(" lda $name | eor #<$value | sta $name | lda $name+1 | eor #>$value | sta $name+1")
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value and 255 == 0 -> asmgen.out(" lda $name+1 | eor #>$value | sta $name+1")
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value < 0x0100 -> asmgen.out(" lda $name | eor #$value | sta $name")
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else -> asmgen.out(" lda $name | eor #<$value | sta $name | lda $name+1 | eor #>$value | sta $name+1")
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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 and 255 == 0 -> asmgen.out(" lda $name+1 | ora #>$value | sta $name+1")
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value < 0x0100 -> asmgen.out(" lda $name | ora #$value | sta $name")
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else -> asmgen.out(" lda $name | ora #<$value | sta $name | lda $name+1 | ora #>$value | sta $name+1")
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value and 255 == 0 -> asmgen.out(" lda $name+1 | ora #>$value | sta $name+1")
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value < 0x0100 -> asmgen.out(" lda $name | ora #$value | sta $name")
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else -> asmgen.out(" lda $name | ora #<$value | sta $name | lda $name+1 | ora #>$value | sta $name+1")
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}
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}
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else -> throw AssemblyError("invalid operator for in-place modification $operator")
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@ -1019,11 +1051,12 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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sta $name+1""")
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}
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"*" -> {
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asmgen.out(" lda $otherName | sta P8ZP_SCRATCH_W1")
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz P8ZP_SCRATCH_W1+1")
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else
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asmgen.out(" lda #0 | sta P8ZP_SCRATCH_W1+1")
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asmgen.out("""
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lda $otherName
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sta P8ZP_SCRATCH_W1
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lda #0
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sta P8ZP_SCRATCH_W1+1
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lda $name
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ldy $name+1
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jsr math.multiply_words
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@ -1068,12 +1101,16 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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}
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}
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"&" -> {
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asmgen.out(" lda $otherName | and $name | sta $name")
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if(dt in WordDatatypes)
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asmgen.out(" lda #0 | sta $name+1")
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asmgen.out(" lda $otherName | and $name | sta $name")
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if(dt in WordDatatypes) {
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if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
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asmgen.out(" stz $name+1")
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else
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asmgen.out(" lda #0 | sta $name+1")
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}
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}
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"^" -> asmgen.out(" lda $otherName | eor $name | sta $name")
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"|" -> asmgen.out(" lda $otherName | ora $name | sta $name")
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"^" -> asmgen.out(" lda $otherName | eor $name | sta $name")
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"|" -> asmgen.out(" lda $otherName | ora $name | sta $name")
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else -> throw AssemblyError("invalid operator for in-place modification $operator")
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}
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}
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@ -1081,8 +1118,8 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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// the value is a proper 16-bit word, so use both bytes of it.
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when (operator) {
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// note: ** (power) operator requires floats.
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"+" -> asmgen.out(" lda $name | clc | adc $otherName | sta $name | lda $name+1 | adc $otherName+1 | sta $name+1")
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"-" -> asmgen.out(" lda $name | sec | sbc $otherName | sta $name | lda $name+1 | sbc $otherName+1 | sta $name+1")
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"+" -> asmgen.out(" lda $name | clc | adc $otherName | sta $name | lda $name+1 | adc $otherName+1 | sta $name+1")
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"-" -> asmgen.out(" lda $name | sec | sbc $otherName | sta $name | lda $name+1 | sbc $otherName+1 | sta $name+1")
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"*" -> {
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asmgen.out("""
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lda $otherName
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@ -1322,8 +1359,12 @@ internal class AugmentableAssignmentAsmGen(private val program: Program,
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"&" -> {
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asmgen.assignExpressionToRegister(value, RegisterOrPair.A)
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asmgen.out(" and $name | sta $name")
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if(dt in WordDatatypes)
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asmgen.out(" lda #0 | sta $name+1")
|
||||
if(dt in WordDatatypes) {
|
||||
if(CompilationTarget.instance.machine.cpu == CpuType.CPU65c02)
|
||||
asmgen.out(" stz $name+1")
|
||||
else
|
||||
asmgen.out(" lda #0 | sta $name+1")
|
||||
}
|
||||
}
|
||||
"^" -> {
|
||||
asmgen.assignExpressionToRegister(value, RegisterOrPair.A)
|
||||
|
||||
@ -2,7 +2,6 @@
|
||||
TODO
|
||||
====
|
||||
|
||||
- use 'stz' more on cx16 when setting variables to zero or clearing a word's msb etc.
|
||||
- see if we can group some errors together for instance the (now single) errors about unidentified symbols
|
||||
- Cx16 target: support full-screen 640x480 and 320x240 graphics? That requires our own custom graphics routines though to draw lines.
|
||||
- make it possible to use cpu opcodes such as 'nop' as variable names by prefixing all asm vars with something such as '_'
|
||||
|
||||
@ -9,7 +9,7 @@ main {
|
||||
ubyte ub1
|
||||
ubyte ub2
|
||||
|
||||
uw = ub1 as uword + ub2 ; fairly ok asm (TODO make it use stz on cx16)
|
||||
uw = ub1 as uword + ub2 ; fairly ok asm.. but the next though...:
|
||||
ub1++
|
||||
uw = ub1 + ub2 ; TODO horrible asm using the eval stack... fix
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user