mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-08-02 09:29:35 +00:00
Implemented clobber analysis to ensure that hardware clobber interrupts only save the registers clobbered.
This commit is contained in:
jespergravgaard
parent
9ef574f32d
commit
f33d7018ba
@ -357,6 +357,9 @@ public class Compiler {
|
||||
new Pass4CodeGeneration(program, true).generate();
|
||||
new Pass4AssertNoCpuClobber(program).check();
|
||||
|
||||
// Remove unnecessary register savings from interrupts {@link InterruptType#HARDWARE_NOCLOBBER}
|
||||
new Pass4InterruptClobberFix(program).fix();
|
||||
|
||||
getLog().append("\nASSEMBLER BEFORE OPTIMIZATION");
|
||||
getLog().append(program.getAsm().toString());
|
||||
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
package dk.camelot64.kickc.asm;
|
||||
|
||||
import dk.camelot64.kickc.fragment.AsmFormat;
|
||||
import dk.camelot64.kickc.model.values.ScopeRef;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
@ -36,8 +37,8 @@ public class AsmProgram {
|
||||
return segments;
|
||||
}
|
||||
|
||||
public AsmSegment startSegment(Integer statementIndex, String source) {
|
||||
AsmSegment segment = new AsmSegment(nextSegmentIndex++, statementIndex, source);
|
||||
public AsmSegment startSegment(ScopeRef scopeRef, Integer statementIndex, String source) {
|
||||
AsmSegment segment = new AsmSegment(nextSegmentIndex++, scopeRef, statementIndex, source);
|
||||
segments.add(segment);
|
||||
return segment;
|
||||
}
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
package dk.camelot64.kickc.asm;
|
||||
|
||||
import dk.camelot64.kickc.model.PhiTransitions;
|
||||
import dk.camelot64.kickc.model.values.ScopeRef;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
@ -44,8 +45,12 @@ public class AsmSegment {
|
||||
/** If the segment is an assignment in a PHI transition this contains the index of the assignment within the transition. */
|
||||
private Integer phiTransitionAssignmentIdx;
|
||||
|
||||
public AsmSegment(int index, Integer statementIdx, String source) {
|
||||
/** The full name of the containing scope (procedure). */
|
||||
private String scopeLabel;
|
||||
|
||||
public AsmSegment(int index, ScopeRef scope, Integer statementIdx, String source) {
|
||||
this.lines = new ArrayList<>();
|
||||
this.scopeLabel = scope.getFullName();
|
||||
this.index = index;
|
||||
this.statementIdx = statementIdx;
|
||||
this.source = source;
|
||||
@ -108,6 +113,10 @@ public class AsmSegment {
|
||||
this.phiTransitionAssignmentIdx = phiTransitionAssignmentIdx;
|
||||
}
|
||||
|
||||
public String getScopeLabel() {
|
||||
return scopeLabel;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the number of bytes the segment occupies in memory.
|
||||
* Per default calculated by adding up the bytes of each ASM line in the segment.
|
||||
@ -219,4 +228,7 @@ public class AsmSegment {
|
||||
return toString(new AsmProgram.AsmPrintState(true, false));
|
||||
}
|
||||
|
||||
public void setSource(String source) {
|
||||
this.source = source;
|
||||
}
|
||||
}
|
||||
|
||||
@ -109,7 +109,7 @@ public class AsmFragmentTemplate {
|
||||
AsmFragmentInstance fragmentInstance =
|
||||
new AsmFragmentInstance(new Program(), signature, ScopeRef.ROOT, this, bindings);
|
||||
AsmProgram asm = new AsmProgram();
|
||||
asm.startSegment(null, signature);
|
||||
asm.startSegment( ScopeRef.ROOT, null, signature);
|
||||
fragmentInstance.generate(asm);
|
||||
AsmClobber asmClobber = asm.getClobber();
|
||||
this.clobber = new AsmFragmentClobber(asmClobber);
|
||||
|
||||
@ -45,13 +45,13 @@ public class Pass4CodeGeneration {
|
||||
AsmProgram asm = new AsmProgram();
|
||||
ScopeRef currentScope = ScopeRef.ROOT;
|
||||
|
||||
asm.startSegment(null, "Basic Upstart");
|
||||
asm.startSegment( currentScope, null, "Basic Upstart");
|
||||
asm.addLine(new AsmSetPc("Basic", AsmFormat.getAsmNumber(0x0801)));
|
||||
asm.addLine(new AsmBasicUpstart("main"));
|
||||
asm.addLine(new AsmSetPc("Program", AsmFormat.getAsmNumber(0x080d)));
|
||||
|
||||
// Generate global ZP labels
|
||||
asm.startSegment(null, "Global Constants & labels");
|
||||
asm.startSegment( currentScope, null, "Global Constants & labels");
|
||||
addConstants(asm, currentScope);
|
||||
addZpLabels(asm, currentScope);
|
||||
for(ControlFlowBlock block : getGraph().getAllBlocks()) {
|
||||
@ -61,7 +61,7 @@ public class Pass4CodeGeneration {
|
||||
asm.addScopeEnd();
|
||||
}
|
||||
currentScope = block.getScope();
|
||||
asm.startSegment(null, block.getLabel().getFullName());
|
||||
asm.startSegment(currentScope, null, block.getLabel().getFullName());
|
||||
asm.addScopeBegin(block.getLabel().getFullName().replace('@', 'b').replace(':', '_'));
|
||||
// Add all ZP labels for the scope
|
||||
addConstants(asm, currentScope);
|
||||
@ -75,11 +75,11 @@ public class Pass4CodeGeneration {
|
||||
// Generate interrupt entry if needed
|
||||
Procedure procedure = block.getProcedure(program);
|
||||
if(procedure!=null && procedure.getInterruptType()!=null) {
|
||||
generateInterruptEntry(asm, procedure.getInterruptType());
|
||||
generateInterruptEntry(asm, procedure);
|
||||
}
|
||||
} else {
|
||||
// Generate label for block inside procedure
|
||||
asm.startSegment(null, block.getLabel().getFullName());
|
||||
asm.startSegment(currentScope, null, block.getLabel().getFullName());
|
||||
asm.addLabel(block.getLabel().getLocalName().replace('@', 'b').replace(':', '_'));
|
||||
}
|
||||
// Generate statements
|
||||
@ -376,7 +376,7 @@ public class Pass4CodeGeneration {
|
||||
*/
|
||||
public void generateStatementAsm(AsmProgram asm, ControlFlowBlock block, Statement statement, AsmCodegenAluState aluState, boolean genCallPhiEntry) {
|
||||
|
||||
asm.startSegment(statement.getIndex(), statement.toString(program, verboseAliveInfo));
|
||||
asm.startSegment(block.getScope(), statement.getIndex(), statement.toString(program, verboseAliveInfo));
|
||||
|
||||
// IF the previous statement was added to the ALU register - generate the composite ASM fragment
|
||||
if(aluState.hasAluAssignment()) {
|
||||
@ -469,10 +469,11 @@ public class Pass4CodeGeneration {
|
||||
/**
|
||||
* Generate exit-code for entering an interrupt procedure based on the interrupt type
|
||||
* @param asm The assembler to generate code into
|
||||
* @param interruptType The type of interrupt to generate
|
||||
* @param procedure The interrupt procedure
|
||||
*/
|
||||
private void generateInterruptEntry(AsmProgram asm, Procedure.InterruptType interruptType) {
|
||||
asm.startSegment(null, "interrupt "+interruptType.name());
|
||||
private void generateInterruptEntry(AsmProgram asm, Procedure procedure) {
|
||||
Procedure.InterruptType interruptType = procedure.getInterruptType();
|
||||
asm.startSegment( procedure.getRef(), null, "entry interrupt("+interruptType.name()+")");
|
||||
//asm.getCurrentSegment().setXXX();
|
||||
if(Procedure.InterruptType.KERNEL_MIN.equals(interruptType)) {
|
||||
// No entry ASM needed
|
||||
@ -485,8 +486,9 @@ public class Pass4CodeGeneration {
|
||||
} else if(Procedure.InterruptType.HARDWARE_NONE.equals(interruptType)) {
|
||||
// No entry ASM needed
|
||||
} else if(Procedure.InterruptType.HARDWARE_CLOBBER.equals(interruptType)) {
|
||||
throw new CompileError("Not implemented! "+interruptType.name());
|
||||
} else {
|
||||
asm.addInstruction("sta", AsmAddressingMode.ABS, "rega+1", false).setDontOptimize(true);
|
||||
asm.addInstruction("stx", AsmAddressingMode.ABS, "regx+1", false).setDontOptimize(true);
|
||||
asm.addInstruction("sty", AsmAddressingMode.ABS, "regy+1", false).setDontOptimize(true); } else {
|
||||
throw new RuntimeException("Interrupt Type not supported " + interruptType.name());
|
||||
}
|
||||
}
|
||||
@ -498,6 +500,7 @@ public class Pass4CodeGeneration {
|
||||
* @param interruptType The type of interrupt to generate
|
||||
*/
|
||||
private void generateInterruptExit(AsmProgram asm, Statement statement, Procedure.InterruptType interruptType) {
|
||||
asm.getCurrentSegment().setSource(asm.getCurrentSegment().getSource() + " - exit interrupt("+interruptType.name()+")");
|
||||
if(Procedure.InterruptType.KERNEL_MIN.equals(interruptType)) {
|
||||
asm.addInstruction("jmp", AsmAddressingMode.ABS, "$ea81", false);
|
||||
} else if(Procedure.InterruptType.KERNEL_KEYBOARD.equals(interruptType)) {
|
||||
@ -513,7 +516,13 @@ public class Pass4CodeGeneration {
|
||||
} else if(Procedure.InterruptType.HARDWARE_NONE.equals(interruptType)) {
|
||||
asm.addInstruction("rti", AsmAddressingMode.NON, null, false);
|
||||
} else if(Procedure.InterruptType.HARDWARE_CLOBBER.equals(interruptType)) {
|
||||
throw new CompileError("Not implemented! "+interruptType.name());
|
||||
asm.addLabel("rega").setDontOptimize(true);
|
||||
asm.addInstruction("lda", AsmAddressingMode.IMM, "00", false).setDontOptimize(true);
|
||||
asm.addLabel("regx").setDontOptimize(true);
|
||||
asm.addInstruction("ldx", AsmAddressingMode.IMM, "00", false).setDontOptimize(true);
|
||||
asm.addLabel("regy").setDontOptimize(true);
|
||||
asm.addInstruction("ldy", AsmAddressingMode.IMM, "00", false).setDontOptimize(true);
|
||||
asm.addInstruction("rti", AsmAddressingMode.NON, null, false);
|
||||
} else {
|
||||
throw new RuntimeException("Interrupt Type not supported " + statement);
|
||||
}
|
||||
@ -574,7 +583,7 @@ public class Pass4CodeGeneration {
|
||||
segmentSrc += fBlock.getLabel().getFullName() + " ";
|
||||
}
|
||||
segmentSrc += "to " + toBlock.getLabel().getFullName();
|
||||
asm.startSegment(toFirstStatement.getIndex(), segmentSrc);
|
||||
asm.startSegment( scope, toFirstStatement.getIndex(), segmentSrc);
|
||||
asm.getCurrentSegment().setPhiTransitionId(transition.getTransitionId());
|
||||
for(ControlFlowBlock fBlock : transition.getFromBlocks()) {
|
||||
asm.addLabel((toBlock.getLabel().getLocalName() + "_from_" + fBlock.getLabel().getLocalName()).replace('@', 'b').replace(':', '_'));
|
||||
@ -585,7 +594,7 @@ public class Pass4CodeGeneration {
|
||||
RValue rValue = assignment.getrValue();
|
||||
Statement statement = assignment.getPhiBlock();
|
||||
// Generate an ASM move fragment
|
||||
asm.startSegment(statement.getIndex(), "[" + statement.getIndex() + "] phi " + lValue.toString(program) + " = " + rValue.toString(program));
|
||||
asm.startSegment(scope, statement.getIndex(), "[" + statement.getIndex() + "] phi " + lValue.toString(program) + " = " + rValue.toString(program));
|
||||
asm.getCurrentSegment().setPhiTransitionId(transition.getTransitionId());
|
||||
asm.getCurrentSegment().setPhiTransitionAssignmentIdx(assignment.getAssignmentIdx());
|
||||
if(isRegisterCopy(lValue, rValue)) {
|
||||
|
||||
@ -0,0 +1,101 @@
|
||||
package dk.camelot64.kickc.passes;
|
||||
|
||||
import dk.camelot64.kickc.asm.AsmClobber;
|
||||
import dk.camelot64.kickc.asm.AsmLine;
|
||||
import dk.camelot64.kickc.asm.AsmProgram;
|
||||
import dk.camelot64.kickc.asm.AsmSegment;
|
||||
import dk.camelot64.kickc.model.Program;
|
||||
import dk.camelot64.kickc.model.Registers;
|
||||
import dk.camelot64.kickc.model.symbols.Procedure;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.List;
|
||||
import java.util.ListIterator;
|
||||
|
||||
import static dk.camelot64.kickc.passes.Pass4AssertNoCpuClobber.getClobberRegisters;
|
||||
|
||||
/*** Ensure that all interrupt procedures with type {@link Procedure.InterruptType#HARDWARE_CLOBBER } only saves the necessary registers. */
|
||||
public class Pass4InterruptClobberFix extends Pass2Base {
|
||||
|
||||
public Pass4InterruptClobberFix(Program program) {
|
||||
super(program);
|
||||
}
|
||||
|
||||
/**
|
||||
* Check that no statement clobbers a CPU register used by an alive variable
|
||||
*/
|
||||
public void fix() {
|
||||
Collection<Procedure> procedures = getProgram().getScope().getAllProcedures(true);
|
||||
for(Procedure procedure : procedures) {
|
||||
if(Procedure.InterruptType.HARDWARE_CLOBBER.equals(procedure.getInterruptType())) {
|
||||
|
||||
AsmSegment interruptEntry = null;
|
||||
AsmSegment interruptExit = null;
|
||||
|
||||
// Iterate all procedure segments to find the interrupt routine clobber
|
||||
AsmClobber procClobber = new AsmClobber();
|
||||
AsmProgram asm = getProgram().getAsm();
|
||||
for(AsmSegment asmSegment : asm.getSegments()) {
|
||||
if(procedure.getFullName().equals(asmSegment.getScopeLabel())) {
|
||||
if(asmSegment.getSource().contains(Procedure.InterruptType.HARDWARE_CLOBBER.name())) {
|
||||
if(asmSegment.getSource().contains("entry interrupt")) {
|
||||
interruptEntry = asmSegment;
|
||||
} else if(asmSegment.getSource().contains("exit interrupt")) {
|
||||
interruptExit = asmSegment;
|
||||
} else {
|
||||
throw new RuntimeException("Unknown interrupt ASM segment "+asmSegment.getSource());
|
||||
}
|
||||
continue;
|
||||
}
|
||||
AsmClobber asmSegmentClobber = asmSegment.getClobber();
|
||||
procClobber.add(asmSegmentClobber);
|
||||
}
|
||||
}
|
||||
getLog().append("Interrupt procedure "+procedure.getFullName()+" clobbers "+procClobber.toString());
|
||||
if(interruptEntry==null || interruptExit==null) {
|
||||
throw new RuntimeException("Cannot find interrupt entry/exit for interrupt "+procedure.getFullName());
|
||||
}
|
||||
List<String> notClobberedRegisters = getNonClobberedRegisterNames(procClobber);
|
||||
if(notClobberedRegisters.isEmpty()) {
|
||||
// All registers clobbered - no need to fix anything
|
||||
continue;
|
||||
}
|
||||
// Remove all lines saving/restoring non-clobbered registers in entry
|
||||
pruneNonClobberedInterruptLines(interruptEntry, notClobberedRegisters);
|
||||
// Remove all lines saving/restoring non-clobbered registers in entry
|
||||
pruneNonClobberedInterruptLines(interruptExit, notClobberedRegisters);
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private List<String> getNonClobberedRegisterNames(AsmClobber procClobber) {
|
||||
List<String> notClobberedRegisters = new ArrayList<>();
|
||||
if(!procClobber.isClobberA()) {
|
||||
notClobberedRegisters.add("a");
|
||||
}
|
||||
if(!procClobber.isClobberX()) {
|
||||
notClobberedRegisters.add("x");
|
||||
}
|
||||
if(!procClobber.isClobberY()) {
|
||||
notClobberedRegisters.add("y");
|
||||
}
|
||||
return notClobberedRegisters;
|
||||
}
|
||||
|
||||
private void pruneNonClobberedInterruptLines(AsmSegment interruptEntryExit, List<String> notClobberedRegisters) {
|
||||
ListIterator<AsmLine> entryLines = interruptEntryExit.getLines().listIterator();
|
||||
while(entryLines.hasNext()) {
|
||||
AsmLine line = entryLines.next();
|
||||
for(String notClobberedReg : notClobberedRegisters) {
|
||||
if(line.getAsm().contains(notClobberedReg)) {
|
||||
// Found an A/X/Y in the asm where A/X/Y is not clobbered - remove the line
|
||||
getLog().append("Removing interrupt register storage "+line.toString()+" in SEG"+interruptEntryExit.getIndex()+" "+interruptEntryExit.getSource());
|
||||
entryLines.remove();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@ -160,7 +160,7 @@ public class Pass4RegisterUpliftPotentialRegisterAnalysis extends Pass2Base {
|
||||
combination.allocate(getProgram());
|
||||
// Generate ASM
|
||||
AsmProgram asm = new AsmProgram();
|
||||
asm.startSegment(statement.getIndex(), statement.toString(getProgram(), true));
|
||||
asm.startSegment(block.getScope(), statement.getIndex(), statement.toString(getProgram(), true));
|
||||
Pass4CodeGeneration.AsmCodegenAluState aluState = new Pass4CodeGeneration.AsmCodegenAluState();
|
||||
try {
|
||||
(new Pass4CodeGeneration(getProgram(), false)).generateStatementAsm(asm, block, statement, aluState, false);
|
||||
|
||||
@ -46,10 +46,10 @@ public class TestPrograms {
|
||||
AsmFragmentTemplateUsages.logUsages(log, false, false, false, false, false, false);
|
||||
}
|
||||
|
||||
//@Test
|
||||
//public void testIrqHardwareClobber() throws IOException, URISyntaxException {
|
||||
// compileAndCompare("irq-hardware-clobber");
|
||||
//}
|
||||
@Test
|
||||
public void testIrqHardwareClobber() throws IOException, URISyntaxException {
|
||||
compileAndCompare("irq-hardware-clobber");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testIrqHardware() throws IOException, URISyntaxException {
|
||||
|
||||
@ -0,0 +1,56 @@
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
.label HARDWARE_IRQ = $fffe
|
||||
.label RASTER = $d012
|
||||
.label VIC_CONTROL = $d011
|
||||
.label IRQ_STATUS = $d019
|
||||
.label IRQ_ENABLE = $d01a
|
||||
.const IRQ_RASTER = 1
|
||||
.label BGCOL = $d020
|
||||
.label FGCOL = $d021
|
||||
.const WHITE = 1
|
||||
.const BLACK = 0
|
||||
.label CIA1_INTERRUPT = $dc0d
|
||||
.const CIA_INTERRUPT_CLEAR = $7f
|
||||
.label PROCPORT_DDR = 0
|
||||
.const PROCPORT_DDR_MEMORY_MASK = 7
|
||||
.label PROCPORT = 1
|
||||
.const PROCPORT_RAM_IO = $35
|
||||
jsr main
|
||||
main: {
|
||||
sei
|
||||
lda #PROCPORT_DDR_MEMORY_MASK
|
||||
sta PROCPORT_DDR
|
||||
lda #PROCPORT_RAM_IO
|
||||
sta PROCPORT
|
||||
lda #CIA_INTERRUPT_CLEAR
|
||||
sta CIA1_INTERRUPT
|
||||
lda VIC_CONTROL
|
||||
ora #$80
|
||||
sta VIC_CONTROL
|
||||
lda #0
|
||||
sta RASTER
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_ENABLE
|
||||
lda #<irq
|
||||
sta HARDWARE_IRQ
|
||||
lda #>irq
|
||||
sta HARDWARE_IRQ+1
|
||||
cli
|
||||
b2:
|
||||
inc FGCOL
|
||||
jmp b2
|
||||
}
|
||||
irq: {
|
||||
sta rega+1
|
||||
lda #WHITE
|
||||
sta BGCOL
|
||||
lda #BLACK
|
||||
sta BGCOL
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_STATUS
|
||||
rega:
|
||||
lda #00
|
||||
rti
|
||||
}
|
||||
@ -0,0 +1,31 @@
|
||||
@begin: scope:[] from
|
||||
[0] phi() [ ] ( )
|
||||
to:@2
|
||||
@2: scope:[] from @begin
|
||||
[1] phi() [ ] ( )
|
||||
[2] call main [ ] ( )
|
||||
to:@end
|
||||
@end: scope:[] from @2
|
||||
[3] phi() [ ] ( )
|
||||
main: scope:[main] from @2
|
||||
asm { sei }
|
||||
[5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] )
|
||||
[6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] )
|
||||
[7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] )
|
||||
[8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] )
|
||||
[9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] )
|
||||
[10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] )
|
||||
[11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] )
|
||||
asm { cli }
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main main::@2
|
||||
[13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] )
|
||||
to:main::@2
|
||||
irq: scope:[irq] from
|
||||
[14] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( )
|
||||
[15] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( )
|
||||
[16] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( )
|
||||
to:irq::@return
|
||||
irq::@return: scope:[irq] from irq
|
||||
[17] return [ ] ( )
|
||||
to:@return
|
||||
@ -0,0 +1,789 @@
|
||||
PARSING src/test/java/dk/camelot64/kickc/test/kc/irq-hardware-clobber.kc
|
||||
// A minimal working raster hardware IRQ with clobber-based register savings
|
||||
|
||||
const void()** KERNEL_IRQ = $0314;
|
||||
const void()** HARDWARE_IRQ = $fffe;
|
||||
const byte* RASTER = $d012;
|
||||
const byte* VIC_CONTROL = $d011;
|
||||
const byte* IRQ_STATUS = $d019;
|
||||
const byte* IRQ_ENABLE = $d01a;
|
||||
const byte IRQ_RASTER = %00000001;
|
||||
const byte IRQ_COLLISION_BG = %00000010;
|
||||
const byte IRQ_COLLISION_SPRITE = %00000100;
|
||||
const byte IRQ_LIGHTPEN = %00001000;
|
||||
const byte* BGCOL = $d020;
|
||||
const byte* FGCOL = $d021;
|
||||
const byte WHITE = 1;
|
||||
const byte BLACK = 0;
|
||||
|
||||
const byte* CIA1_INTERRUPT = $dc0d;
|
||||
const byte CIA_INTERRUPT_CLEAR = $7f;
|
||||
|
||||
// Processor port data direction register
|
||||
const byte* PROCPORT_DDR = $00;
|
||||
// Mask for PROCESSOR_PORT_DDR which allows only memory configuration to be written
|
||||
const byte PROCPORT_DDR_MEMORY_MASK = %00000111;
|
||||
|
||||
// Processor Port Register controlling RAM/ROM configuration and the datasette
|
||||
const byte* PROCPORT = $01;
|
||||
// RAM in $A000, $E000 I/O in $D000
|
||||
const byte PROCPORT_RAM_IO = %00110101;
|
||||
// RAM in $A000, $E000 CHAR ROM in $D000
|
||||
|
||||
void main() {
|
||||
asm { sei }
|
||||
// Disable kernal & basic
|
||||
*PROCPORT_DDR = PROCPORT_DDR_MEMORY_MASK;
|
||||
*PROCPORT = PROCPORT_RAM_IO;
|
||||
// Disable CIA 1 Timer IRQ
|
||||
*CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR;
|
||||
// Set raster line to $100
|
||||
*VIC_CONTROL |=$80;
|
||||
*RASTER = $00;
|
||||
// Enable Raster Interrupt
|
||||
*IRQ_ENABLE = IRQ_RASTER;
|
||||
// Set the IRQ routine
|
||||
*HARDWARE_IRQ = &irq;
|
||||
asm { cli }
|
||||
while(true) {
|
||||
(*FGCOL)++;
|
||||
}
|
||||
}
|
||||
|
||||
// Interrupt Routine
|
||||
interrupt(hardware_clobber) void irq() {
|
||||
*BGCOL = WHITE;
|
||||
*BGCOL = BLACK;
|
||||
// Acknowledge the IRQ
|
||||
*IRQ_STATUS = IRQ_RASTER;
|
||||
}
|
||||
Adding pre/post-modifier *((byte*) FGCOL) ← ++ *((byte*) FGCOL)
|
||||
Resolved forward reference irq to interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
SYMBOLS
|
||||
(label) @1
|
||||
(label) @2
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte*) BGCOL
|
||||
(byte) BLACK
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(byte*) FGCOL
|
||||
(void()**) HARDWARE_IRQ
|
||||
(byte) IRQ_COLLISION_BG
|
||||
(byte) IRQ_COLLISION_SPRITE
|
||||
(byte*) IRQ_ENABLE
|
||||
(byte) IRQ_LIGHTPEN
|
||||
(byte) IRQ_RASTER
|
||||
(byte*) IRQ_STATUS
|
||||
(void()**) KERNEL_IRQ
|
||||
(byte*) PROCPORT
|
||||
(byte*) PROCPORT_DDR
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(byte*) RASTER
|
||||
(byte*) VIC_CONTROL
|
||||
(byte) WHITE
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(label) irq::@return
|
||||
(void()) main()
|
||||
(void()*~) main::$0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@3
|
||||
(label) main::@4
|
||||
(label) main::@5
|
||||
(label) main::@6
|
||||
(label) main::@return
|
||||
|
||||
Promoting word/signed word/dword/signed dword to void()** in KERNEL_IRQ ← ((void()**)) 788
|
||||
Promoting word/dword/signed dword to void()** in HARDWARE_IRQ ← ((void()**)) 65534
|
||||
Promoting word/dword/signed dword to byte* in RASTER ← ((byte*)) 53266
|
||||
Promoting word/dword/signed dword to byte* in VIC_CONTROL ← ((byte*)) 53265
|
||||
Promoting word/dword/signed dword to byte* in IRQ_STATUS ← ((byte*)) 53273
|
||||
Promoting word/dword/signed dword to byte* in IRQ_ENABLE ← ((byte*)) 53274
|
||||
Promoting word/dword/signed dword to byte* in BGCOL ← ((byte*)) 53280
|
||||
Promoting word/dword/signed dword to byte* in FGCOL ← ((byte*)) 53281
|
||||
Promoting word/dword/signed dword to byte* in CIA1_INTERRUPT ← ((byte*)) 56333
|
||||
Promoting byte/signed byte/word/signed word/dword/signed dword to byte* in PROCPORT_DDR ← ((byte*)) 0
|
||||
Promoting byte/signed byte/word/signed word/dword/signed dword to byte* in PROCPORT ← ((byte*)) 1
|
||||
INITIAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
(void()**) KERNEL_IRQ ← ((void()**)) (word/signed word/dword/signed dword) 788
|
||||
(void()**) HARDWARE_IRQ ← ((void()**)) (word/dword/signed dword) 65534
|
||||
(byte*) RASTER ← ((byte*)) (word/dword/signed dword) 53266
|
||||
(byte*) VIC_CONTROL ← ((byte*)) (word/dword/signed dword) 53265
|
||||
(byte*) IRQ_STATUS ← ((byte*)) (word/dword/signed dword) 53273
|
||||
(byte*) IRQ_ENABLE ← ((byte*)) (word/dword/signed dword) 53274
|
||||
(byte) IRQ_RASTER ← (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) IRQ_COLLISION_BG ← (byte/signed byte/word/signed word/dword/signed dword) 2
|
||||
(byte) IRQ_COLLISION_SPRITE ← (byte/signed byte/word/signed word/dword/signed dword) 4
|
||||
(byte) IRQ_LIGHTPEN ← (byte/signed byte/word/signed word/dword/signed dword) 8
|
||||
(byte*) BGCOL ← ((byte*)) (word/dword/signed dword) 53280
|
||||
(byte*) FGCOL ← ((byte*)) (word/dword/signed dword) 53281
|
||||
(byte) WHITE ← (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) BLACK ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte*) CIA1_INTERRUPT ← ((byte*)) (word/dword/signed dword) 56333
|
||||
(byte) CIA_INTERRUPT_CLEAR ← (byte/signed byte/word/signed word/dword/signed dword) 127
|
||||
(byte*) PROCPORT_DDR ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK ← (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte*) PROCPORT ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) PROCPORT_RAM_IO ← (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
to:@1
|
||||
main: scope:[main] from
|
||||
asm { sei }
|
||||
*((byte*) PROCPORT_DDR) ← (byte) PROCPORT_DDR_MEMORY_MASK
|
||||
*((byte*) PROCPORT) ← (byte) PROCPORT_RAM_IO
|
||||
*((byte*) CIA1_INTERRUPT) ← (byte) CIA_INTERRUPT_CLEAR
|
||||
*((byte*) VIC_CONTROL) ← *((byte*) VIC_CONTROL) | (byte/word/signed word/dword/signed dword) 128
|
||||
*((byte*) RASTER) ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
*((byte*) IRQ_ENABLE) ← (byte) IRQ_RASTER
|
||||
(void()*~) main::$0 ← & interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
*((void()**) HARDWARE_IRQ) ← (void()*~) main::$0
|
||||
asm { cli }
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@2
|
||||
if(true) goto main::@2
|
||||
to:main::@4
|
||||
main::@2: scope:[main] from main::@1 main::@5
|
||||
*((byte*) FGCOL) ← ++ *((byte*) FGCOL)
|
||||
to:main::@1
|
||||
main::@4: scope:[main] from main::@1
|
||||
to:main::@3
|
||||
main::@3: scope:[main] from main::@4 main::@6
|
||||
to:main::@return
|
||||
main::@5: scope:[main] from
|
||||
to:main::@2
|
||||
main::@6: scope:[main] from
|
||||
to:main::@3
|
||||
main::@return: scope:[main] from main::@3
|
||||
return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
to:@2
|
||||
irq: scope:[irq] from
|
||||
*((byte*) BGCOL) ← (byte) WHITE
|
||||
*((byte*) BGCOL) ← (byte) BLACK
|
||||
*((byte*) IRQ_STATUS) ← (byte) IRQ_RASTER
|
||||
to:irq::@return
|
||||
irq::@return: scope:[irq] from irq
|
||||
return
|
||||
to:@return
|
||||
@2: scope:[] from @1
|
||||
call main
|
||||
to:@end
|
||||
@end: scope:[] from @2
|
||||
|
||||
Eliminating unused variable (void()**) KERNEL_IRQ and assignment [0] (void()**) KERNEL_IRQ ← ((void()**)) (word/signed word/dword/signed dword) 788
|
||||
Eliminating unused variable (byte) IRQ_COLLISION_BG and assignment [7] (byte) IRQ_COLLISION_BG ← (byte/signed byte/word/signed word/dword/signed dword) 2
|
||||
Eliminating unused variable (byte) IRQ_COLLISION_SPRITE and assignment [8] (byte) IRQ_COLLISION_SPRITE ← (byte/signed byte/word/signed word/dword/signed dword) 4
|
||||
Eliminating unused variable (byte) IRQ_LIGHTPEN and assignment [9] (byte) IRQ_LIGHTPEN ← (byte/signed byte/word/signed word/dword/signed dword) 8
|
||||
Removing empty block main::@4
|
||||
Removing empty block main::@3
|
||||
Removing empty block main::@5
|
||||
Removing empty block main::@6
|
||||
Removing empty block @1
|
||||
PROCEDURE MODIFY VARIABLE ANALYSIS
|
||||
|
||||
Completing Phi functions...
|
||||
|
||||
CONTROL FLOW GRAPH SSA WITH ASSIGNMENT CALL & RETURN
|
||||
@begin: scope:[] from
|
||||
(void()**) HARDWARE_IRQ#0 ← ((void()**)) (word/dword/signed dword) 65534
|
||||
(byte*) RASTER#0 ← ((byte*)) (word/dword/signed dword) 53266
|
||||
(byte*) VIC_CONTROL#0 ← ((byte*)) (word/dword/signed dword) 53265
|
||||
(byte*) IRQ_STATUS#0 ← ((byte*)) (word/dword/signed dword) 53273
|
||||
(byte*) IRQ_ENABLE#0 ← ((byte*)) (word/dword/signed dword) 53274
|
||||
(byte) IRQ_RASTER#0 ← (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) BGCOL#0 ← ((byte*)) (word/dword/signed dword) 53280
|
||||
(byte*) FGCOL#0 ← ((byte*)) (word/dword/signed dword) 53281
|
||||
(byte) WHITE#0 ← (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) BLACK#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte*) CIA1_INTERRUPT#0 ← ((byte*)) (word/dword/signed dword) 56333
|
||||
(byte) CIA_INTERRUPT_CLEAR#0 ← (byte/signed byte/word/signed word/dword/signed dword) 127
|
||||
(byte*) PROCPORT_DDR#0 ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK#0 ← (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte*) PROCPORT#0 ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) PROCPORT_RAM_IO#0 ← (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
to:@2
|
||||
main: scope:[main] from @2
|
||||
asm { sei }
|
||||
*((byte*) PROCPORT_DDR#0) ← (byte) PROCPORT_DDR_MEMORY_MASK#0
|
||||
*((byte*) PROCPORT#0) ← (byte) PROCPORT_RAM_IO#0
|
||||
*((byte*) CIA1_INTERRUPT#0) ← (byte) CIA_INTERRUPT_CLEAR#0
|
||||
*((byte*) VIC_CONTROL#0) ← *((byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128
|
||||
*((byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
*((byte*) IRQ_ENABLE#0) ← (byte) IRQ_RASTER#0
|
||||
(void()*~) main::$0 ← & interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
*((void()**) HARDWARE_IRQ#0) ← (void()*~) main::$0
|
||||
asm { cli }
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@2
|
||||
if(true) goto main::@2
|
||||
to:main::@return
|
||||
main::@2: scope:[main] from main::@1
|
||||
*((byte*) FGCOL#0) ← ++ *((byte*) FGCOL#0)
|
||||
to:main::@1
|
||||
main::@return: scope:[main] from main::@1
|
||||
return
|
||||
to:@return
|
||||
irq: scope:[irq] from
|
||||
*((byte*) BGCOL#0) ← (byte) WHITE#0
|
||||
*((byte*) BGCOL#0) ← (byte) BLACK#0
|
||||
*((byte*) IRQ_STATUS#0) ← (byte) IRQ_RASTER#0
|
||||
to:irq::@return
|
||||
irq::@return: scope:[irq] from irq
|
||||
return
|
||||
to:@return
|
||||
@2: scope:[] from @begin
|
||||
call main
|
||||
to:@3
|
||||
@3: scope:[] from @2
|
||||
to:@end
|
||||
@end: scope:[] from @3
|
||||
|
||||
SYMBOL TABLE SSA
|
||||
(label) @2
|
||||
(label) @3
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte*) BGCOL
|
||||
(byte*) BGCOL#0
|
||||
(byte) BLACK
|
||||
(byte) BLACK#0
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(byte*) CIA1_INTERRUPT#0
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(byte) CIA_INTERRUPT_CLEAR#0
|
||||
(byte*) FGCOL
|
||||
(byte*) FGCOL#0
|
||||
(void()**) HARDWARE_IRQ
|
||||
(void()**) HARDWARE_IRQ#0
|
||||
(byte*) IRQ_ENABLE
|
||||
(byte*) IRQ_ENABLE#0
|
||||
(byte) IRQ_RASTER
|
||||
(byte) IRQ_RASTER#0
|
||||
(byte*) IRQ_STATUS
|
||||
(byte*) IRQ_STATUS#0
|
||||
(byte*) PROCPORT
|
||||
(byte*) PROCPORT#0
|
||||
(byte*) PROCPORT_DDR
|
||||
(byte*) PROCPORT_DDR#0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK#0
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(byte) PROCPORT_RAM_IO#0
|
||||
(byte*) RASTER
|
||||
(byte*) RASTER#0
|
||||
(byte*) VIC_CONTROL
|
||||
(byte*) VIC_CONTROL#0
|
||||
(byte) WHITE
|
||||
(byte) WHITE#0
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(label) irq::@return
|
||||
(void()) main()
|
||||
(void()*~) main::$0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
|
||||
OPTIMIZING CONTROL FLOW GRAPH
|
||||
Culled Empty Block (label) @3
|
||||
Succesful SSA optimization Pass2CullEmptyBlocks
|
||||
Constant (const void()**) HARDWARE_IRQ#0 = ((void()**))65534
|
||||
Constant (const byte*) RASTER#0 = ((byte*))53266
|
||||
Constant (const byte*) VIC_CONTROL#0 = ((byte*))53265
|
||||
Constant (const byte*) IRQ_STATUS#0 = ((byte*))53273
|
||||
Constant (const byte*) IRQ_ENABLE#0 = ((byte*))53274
|
||||
Constant (const byte) IRQ_RASTER#0 = 1
|
||||
Constant (const byte*) BGCOL#0 = ((byte*))53280
|
||||
Constant (const byte*) FGCOL#0 = ((byte*))53281
|
||||
Constant (const byte) WHITE#0 = 1
|
||||
Constant (const byte) BLACK#0 = 0
|
||||
Constant (const byte*) CIA1_INTERRUPT#0 = ((byte*))56333
|
||||
Constant (const byte) CIA_INTERRUPT_CLEAR#0 = 127
|
||||
Constant (const byte*) PROCPORT_DDR#0 = ((byte*))0
|
||||
Constant (const byte) PROCPORT_DDR_MEMORY_MASK#0 = 7
|
||||
Constant (const byte*) PROCPORT#0 = ((byte*))1
|
||||
Constant (const byte) PROCPORT_RAM_IO#0 = 53
|
||||
Constant (const void()*) main::$0 = &irq
|
||||
Succesful SSA optimization Pass2ConstantIdentification
|
||||
if() condition always true - replacing block destination if(true) goto main::@2
|
||||
Succesful SSA optimization Pass2ConstantIfs
|
||||
Removing unused block main::@return
|
||||
Succesful SSA optimization Pass2EliminateUnusedBlocks
|
||||
Culled Empty Block (label) main::@1
|
||||
Succesful SSA optimization Pass2CullEmptyBlocks
|
||||
OPTIMIZING CONTROL FLOW GRAPH
|
||||
Constant inlined main::$0 = &interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
Succesful SSA optimization Pass2ConstantInlining
|
||||
Block Sequence Planned @begin @2 @end main main::@2 irq irq::@return
|
||||
Block Sequence Planned @begin @2 @end main main::@2 irq irq::@return
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @2
|
||||
Adding NOP phi() at start of @end
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
|
||||
Propagating live ranges...
|
||||
Created 0 initial phi equivalence classes
|
||||
Coalesced down to 0 phi equivalence classes
|
||||
Block Sequence Planned @begin @2 @end main main::@2 irq irq::@return
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @2
|
||||
Adding NOP phi() at start of @end
|
||||
Propagating live ranges...
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
[0] phi() [ ] ( )
|
||||
to:@2
|
||||
@2: scope:[] from @begin
|
||||
[1] phi() [ ] ( )
|
||||
[2] call main [ ] ( )
|
||||
to:@end
|
||||
@end: scope:[] from @2
|
||||
[3] phi() [ ] ( )
|
||||
main: scope:[main] from @2
|
||||
asm { sei }
|
||||
[5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] )
|
||||
[6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] )
|
||||
[7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] )
|
||||
[8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] )
|
||||
[9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] )
|
||||
[10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] )
|
||||
[11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] )
|
||||
asm { cli }
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main main::@2
|
||||
[13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] )
|
||||
to:main::@2
|
||||
irq: scope:[irq] from
|
||||
[14] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( )
|
||||
[15] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( )
|
||||
[16] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( )
|
||||
to:irq::@return
|
||||
irq::@return: scope:[irq] from irq
|
||||
[17] return [ ] ( )
|
||||
to:@return
|
||||
|
||||
DOMINATORS
|
||||
@begin dominated by @begin
|
||||
@2 dominated by @2 @begin
|
||||
@end dominated by @2 @begin @end
|
||||
main dominated by @2 @begin main
|
||||
main::@2 dominated by @2 @begin main::@2 main
|
||||
irq dominated by @2 @begin @end main::@2 irq irq::@return main
|
||||
irq::@return dominated by @2 @begin @end main::@2 irq irq::@return main
|
||||
|
||||
NATURAL LOOPS
|
||||
Found back edge: Loop head: main::@2 tails: main::@2 blocks: null
|
||||
Found back edge: Loop head: irq::@return tails: irq blocks: null
|
||||
Populated: Loop head: main::@2 tails: main::@2 blocks: main::@2
|
||||
Populated: Loop head: irq::@return tails: irq blocks: irq
|
||||
Loop head: main::@2 tails: main::@2 blocks: main::@2
|
||||
Loop head: irq::@return tails: irq blocks: irq
|
||||
|
||||
NATURAL LOOPS WITH DEPTH
|
||||
Found 1 loops in scope [irq]
|
||||
Loop head: irq::@return tails: irq blocks: irq
|
||||
Found 0 loops in scope []
|
||||
Found 1 loops in scope [main]
|
||||
Loop head: main::@2 tails: main::@2 blocks: main::@2
|
||||
Loop head: main::@2 tails: main::@2 blocks: main::@2 depth: 1
|
||||
Loop head: irq::@return tails: irq blocks: irq depth: 1
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(byte*) BGCOL
|
||||
(byte) BLACK
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(byte*) FGCOL
|
||||
(void()**) HARDWARE_IRQ
|
||||
(byte*) IRQ_ENABLE
|
||||
(byte) IRQ_RASTER
|
||||
(byte*) IRQ_STATUS
|
||||
(byte*) PROCPORT
|
||||
(byte*) PROCPORT_DDR
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(byte*) RASTER
|
||||
(byte*) VIC_CONTROL
|
||||
(byte) WHITE
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(void()) main()
|
||||
|
||||
Initial phi equivalence classes
|
||||
Complete equivalence classes
|
||||
|
||||
INITIAL ASM
|
||||
//SEG0 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG1 Global Constants & labels
|
||||
.label HARDWARE_IRQ = $fffe
|
||||
.label RASTER = $d012
|
||||
.label VIC_CONTROL = $d011
|
||||
.label IRQ_STATUS = $d019
|
||||
.label IRQ_ENABLE = $d01a
|
||||
.const IRQ_RASTER = 1
|
||||
.label BGCOL = $d020
|
||||
.label FGCOL = $d021
|
||||
.const WHITE = 1
|
||||
.const BLACK = 0
|
||||
.label CIA1_INTERRUPT = $dc0d
|
||||
.const CIA_INTERRUPT_CLEAR = $7f
|
||||
.label PROCPORT_DDR = 0
|
||||
.const PROCPORT_DDR_MEMORY_MASK = 7
|
||||
.label PROCPORT = 1
|
||||
.const PROCPORT_RAM_IO = $35
|
||||
//SEG2 @begin
|
||||
bbegin:
|
||||
//SEG3 [1] phi from @begin to @2 [phi:@begin->@2]
|
||||
b2_from_bbegin:
|
||||
jmp b2
|
||||
//SEG4 @2
|
||||
b2:
|
||||
//SEG5 [2] call main [ ] ( )
|
||||
jsr main
|
||||
//SEG6 [3] phi from @2 to @end [phi:@2->@end]
|
||||
bend_from_b2:
|
||||
jmp bend
|
||||
//SEG7 @end
|
||||
bend:
|
||||
//SEG8 main
|
||||
main: {
|
||||
//SEG9 asm { sei }
|
||||
sei
|
||||
//SEG10 [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_DDR_MEMORY_MASK
|
||||
sta PROCPORT_DDR
|
||||
//SEG11 [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_RAM_IO
|
||||
sta PROCPORT
|
||||
//SEG12 [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #CIA_INTERRUPT_CLEAR
|
||||
sta CIA1_INTERRUPT
|
||||
//SEG13 [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
|
||||
lda VIC_CONTROL
|
||||
ora #$80
|
||||
sta VIC_CONTROL
|
||||
//SEG14 [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta RASTER
|
||||
//SEG15 [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_ENABLE
|
||||
//SEG16 [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) -- _deref_pptc1=pprc2
|
||||
lda #<irq
|
||||
sta HARDWARE_IRQ
|
||||
lda #>irq
|
||||
sta HARDWARE_IRQ+1
|
||||
//SEG17 asm { cli }
|
||||
cli
|
||||
jmp b2
|
||||
//SEG18 main::@2
|
||||
b2:
|
||||
//SEG19 [13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] ) -- _deref_pbuc1=_inc__deref_pbuc1
|
||||
inc FGCOL
|
||||
jmp b2
|
||||
}
|
||||
//SEG20 irq
|
||||
irq: {
|
||||
//SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
sta rega+1
|
||||
stx regx+1
|
||||
sty regy+1
|
||||
//SEG22 [14] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #WHITE
|
||||
sta BGCOL
|
||||
//SEG23 [15] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #BLACK
|
||||
sta BGCOL
|
||||
//SEG24 [16] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_STATUS
|
||||
jmp breturn
|
||||
//SEG25 irq::@return
|
||||
breturn:
|
||||
//SEG26 [17] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
rega:
|
||||
lda #00
|
||||
regx:
|
||||
ldx #00
|
||||
regy:
|
||||
ldy #00
|
||||
rti
|
||||
}
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [14] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) always clobbers reg byte a
|
||||
Statement [15] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) always clobbers reg byte a
|
||||
Statement [16] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) always clobbers reg byte a
|
||||
Statement [17] return [ ] ( ) always clobbers reg byte a reg byte x reg byte y
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main]
|
||||
Uplift Scope [irq]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 503 combination
|
||||
Uplifting [irq] best 503 combination
|
||||
Uplifting [] best 503 combination
|
||||
Interrupt procedure irq clobbers ANZ
|
||||
Removing interrupt register storage stx regx+1 in SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage sty regy+1 in SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage regx: in SEG26 [17] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage ldx #00 in SEG26 [17] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage regy: in SEG26 [17] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage ldy #00 in SEG26 [17] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG1 Global Constants & labels
|
||||
.label HARDWARE_IRQ = $fffe
|
||||
.label RASTER = $d012
|
||||
.label VIC_CONTROL = $d011
|
||||
.label IRQ_STATUS = $d019
|
||||
.label IRQ_ENABLE = $d01a
|
||||
.const IRQ_RASTER = 1
|
||||
.label BGCOL = $d020
|
||||
.label FGCOL = $d021
|
||||
.const WHITE = 1
|
||||
.const BLACK = 0
|
||||
.label CIA1_INTERRUPT = $dc0d
|
||||
.const CIA_INTERRUPT_CLEAR = $7f
|
||||
.label PROCPORT_DDR = 0
|
||||
.const PROCPORT_DDR_MEMORY_MASK = 7
|
||||
.label PROCPORT = 1
|
||||
.const PROCPORT_RAM_IO = $35
|
||||
//SEG2 @begin
|
||||
bbegin:
|
||||
//SEG3 [1] phi from @begin to @2 [phi:@begin->@2]
|
||||
b2_from_bbegin:
|
||||
jmp b2
|
||||
//SEG4 @2
|
||||
b2:
|
||||
//SEG5 [2] call main [ ] ( )
|
||||
jsr main
|
||||
//SEG6 [3] phi from @2 to @end [phi:@2->@end]
|
||||
bend_from_b2:
|
||||
jmp bend
|
||||
//SEG7 @end
|
||||
bend:
|
||||
//SEG8 main
|
||||
main: {
|
||||
//SEG9 asm { sei }
|
||||
sei
|
||||
//SEG10 [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_DDR_MEMORY_MASK
|
||||
sta PROCPORT_DDR
|
||||
//SEG11 [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_RAM_IO
|
||||
sta PROCPORT
|
||||
//SEG12 [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #CIA_INTERRUPT_CLEAR
|
||||
sta CIA1_INTERRUPT
|
||||
//SEG13 [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
|
||||
lda VIC_CONTROL
|
||||
ora #$80
|
||||
sta VIC_CONTROL
|
||||
//SEG14 [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta RASTER
|
||||
//SEG15 [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_ENABLE
|
||||
//SEG16 [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) -- _deref_pptc1=pprc2
|
||||
lda #<irq
|
||||
sta HARDWARE_IRQ
|
||||
lda #>irq
|
||||
sta HARDWARE_IRQ+1
|
||||
//SEG17 asm { cli }
|
||||
cli
|
||||
jmp b2
|
||||
//SEG18 main::@2
|
||||
b2:
|
||||
//SEG19 [13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] ) -- _deref_pbuc1=_inc__deref_pbuc1
|
||||
inc FGCOL
|
||||
jmp b2
|
||||
}
|
||||
//SEG20 irq
|
||||
irq: {
|
||||
//SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
sta rega+1
|
||||
//SEG22 [14] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #WHITE
|
||||
sta BGCOL
|
||||
//SEG23 [15] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #BLACK
|
||||
sta BGCOL
|
||||
//SEG24 [16] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_STATUS
|
||||
jmp breturn
|
||||
//SEG25 irq::@return
|
||||
breturn:
|
||||
//SEG26 [17] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
rega:
|
||||
lda #00
|
||||
rti
|
||||
}
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp b2
|
||||
Removing instruction jmp bend
|
||||
Removing instruction jmp b2
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction bbegin:
|
||||
Removing instruction b2_from_bbegin:
|
||||
Removing instruction bend_from_b2:
|
||||
Removing instruction breturn:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction b2:
|
||||
Removing instruction bend:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @2
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte*) BGCOL
|
||||
(const byte*) BGCOL#0 BGCOL = ((byte*))(word/dword/signed dword) 53280
|
||||
(byte) BLACK
|
||||
(const byte) BLACK#0 BLACK = (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(const byte*) CIA1_INTERRUPT#0 CIA1_INTERRUPT = ((byte*))(word/dword/signed dword) 56333
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(const byte) CIA_INTERRUPT_CLEAR#0 CIA_INTERRUPT_CLEAR = (byte/signed byte/word/signed word/dword/signed dword) 127
|
||||
(byte*) FGCOL
|
||||
(const byte*) FGCOL#0 FGCOL = ((byte*))(word/dword/signed dword) 53281
|
||||
(void()**) HARDWARE_IRQ
|
||||
(const void()**) HARDWARE_IRQ#0 HARDWARE_IRQ = ((void()**))(word/dword/signed dword) 65534
|
||||
(byte*) IRQ_ENABLE
|
||||
(const byte*) IRQ_ENABLE#0 IRQ_ENABLE = ((byte*))(word/dword/signed dword) 53274
|
||||
(byte) IRQ_RASTER
|
||||
(const byte) IRQ_RASTER#0 IRQ_RASTER = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) IRQ_STATUS
|
||||
(const byte*) IRQ_STATUS#0 IRQ_STATUS = ((byte*))(word/dword/signed dword) 53273
|
||||
(byte*) PROCPORT
|
||||
(const byte*) PROCPORT#0 PROCPORT = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) PROCPORT_DDR
|
||||
(const byte*) PROCPORT_DDR#0 PROCPORT_DDR = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(const byte) PROCPORT_DDR_MEMORY_MASK#0 PROCPORT_DDR_MEMORY_MASK = (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(const byte) PROCPORT_RAM_IO#0 PROCPORT_RAM_IO = (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
(byte*) RASTER
|
||||
(const byte*) RASTER#0 RASTER = ((byte*))(word/dword/signed dword) 53266
|
||||
(byte*) VIC_CONTROL
|
||||
(const byte*) VIC_CONTROL#0 VIC_CONTROL = ((byte*))(word/dword/signed dword) 53265
|
||||
(byte) WHITE
|
||||
(const byte) WHITE#0 WHITE = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(label) irq::@return
|
||||
(void()) main()
|
||||
(label) main::@2
|
||||
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 380
|
||||
|
||||
//SEG0 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG1 Global Constants & labels
|
||||
.label HARDWARE_IRQ = $fffe
|
||||
.label RASTER = $d012
|
||||
.label VIC_CONTROL = $d011
|
||||
.label IRQ_STATUS = $d019
|
||||
.label IRQ_ENABLE = $d01a
|
||||
.const IRQ_RASTER = 1
|
||||
.label BGCOL = $d020
|
||||
.label FGCOL = $d021
|
||||
.const WHITE = 1
|
||||
.const BLACK = 0
|
||||
.label CIA1_INTERRUPT = $dc0d
|
||||
.const CIA_INTERRUPT_CLEAR = $7f
|
||||
.label PROCPORT_DDR = 0
|
||||
.const PROCPORT_DDR_MEMORY_MASK = 7
|
||||
.label PROCPORT = 1
|
||||
.const PROCPORT_RAM_IO = $35
|
||||
//SEG2 @begin
|
||||
//SEG3 [1] phi from @begin to @2 [phi:@begin->@2]
|
||||
//SEG4 @2
|
||||
//SEG5 [2] call main [ ] ( )
|
||||
jsr main
|
||||
//SEG6 [3] phi from @2 to @end [phi:@2->@end]
|
||||
//SEG7 @end
|
||||
//SEG8 main
|
||||
main: {
|
||||
//SEG9 asm { sei }
|
||||
sei
|
||||
//SEG10 [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_DDR_MEMORY_MASK
|
||||
sta PROCPORT_DDR
|
||||
//SEG11 [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_RAM_IO
|
||||
sta PROCPORT
|
||||
//SEG12 [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #CIA_INTERRUPT_CLEAR
|
||||
sta CIA1_INTERRUPT
|
||||
//SEG13 [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
|
||||
lda VIC_CONTROL
|
||||
ora #$80
|
||||
sta VIC_CONTROL
|
||||
//SEG14 [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta RASTER
|
||||
//SEG15 [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_ENABLE
|
||||
//SEG16 [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) -- _deref_pptc1=pprc2
|
||||
lda #<irq
|
||||
sta HARDWARE_IRQ
|
||||
lda #>irq
|
||||
sta HARDWARE_IRQ+1
|
||||
//SEG17 asm { cli }
|
||||
cli
|
||||
//SEG18 main::@2
|
||||
b2:
|
||||
//SEG19 [13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] ) -- _deref_pbuc1=_inc__deref_pbuc1
|
||||
inc FGCOL
|
||||
jmp b2
|
||||
}
|
||||
//SEG20 irq
|
||||
irq: {
|
||||
//SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
sta rega+1
|
||||
//SEG22 [14] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #WHITE
|
||||
sta BGCOL
|
||||
//SEG23 [15] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #BLACK
|
||||
sta BGCOL
|
||||
//SEG24 [16] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_STATUS
|
||||
//SEG25 irq::@return
|
||||
//SEG26 [17] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
rega:
|
||||
lda #00
|
||||
rti
|
||||
}
|
||||
|
||||
@ -0,0 +1,40 @@
|
||||
(label) @2
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte*) BGCOL
|
||||
(const byte*) BGCOL#0 BGCOL = ((byte*))(word/dword/signed dword) 53280
|
||||
(byte) BLACK
|
||||
(const byte) BLACK#0 BLACK = (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(const byte*) CIA1_INTERRUPT#0 CIA1_INTERRUPT = ((byte*))(word/dword/signed dword) 56333
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(const byte) CIA_INTERRUPT_CLEAR#0 CIA_INTERRUPT_CLEAR = (byte/signed byte/word/signed word/dword/signed dword) 127
|
||||
(byte*) FGCOL
|
||||
(const byte*) FGCOL#0 FGCOL = ((byte*))(word/dword/signed dword) 53281
|
||||
(void()**) HARDWARE_IRQ
|
||||
(const void()**) HARDWARE_IRQ#0 HARDWARE_IRQ = ((void()**))(word/dword/signed dword) 65534
|
||||
(byte*) IRQ_ENABLE
|
||||
(const byte*) IRQ_ENABLE#0 IRQ_ENABLE = ((byte*))(word/dword/signed dword) 53274
|
||||
(byte) IRQ_RASTER
|
||||
(const byte) IRQ_RASTER#0 IRQ_RASTER = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) IRQ_STATUS
|
||||
(const byte*) IRQ_STATUS#0 IRQ_STATUS = ((byte*))(word/dword/signed dword) 53273
|
||||
(byte*) PROCPORT
|
||||
(const byte*) PROCPORT#0 PROCPORT = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) PROCPORT_DDR
|
||||
(const byte*) PROCPORT_DDR#0 PROCPORT_DDR = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(const byte) PROCPORT_DDR_MEMORY_MASK#0 PROCPORT_DDR_MEMORY_MASK = (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(const byte) PROCPORT_RAM_IO#0 PROCPORT_RAM_IO = (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
(byte*) RASTER
|
||||
(const byte*) RASTER#0 RASTER = ((byte*))(word/dword/signed dword) 53266
|
||||
(byte*) VIC_CONTROL
|
||||
(const byte*) VIC_CONTROL#0 VIC_CONTROL = ((byte*))(word/dword/signed dword) 53265
|
||||
(byte) WHITE
|
||||
(const byte) WHITE#0 WHITE = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(label) irq::@return
|
||||
(void()) main()
|
||||
(label) main::@2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user