kopia lustrzana https://github.com/maccasoft/z80-tools
Added undocumented SLL instruction
rodzic
756554179d
commit
5e9ce419af
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@ -76,6 +76,7 @@ public class Z80TokenMarker extends TokenMarker {
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keywords.put("SCF", TokenId.Instruction);
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keywords.put("SET", TokenId.Instruction);
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keywords.put("SLA", TokenId.Instruction);
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keywords.put("SLL", TokenId.Instruction);
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keywords.put("SRA", TokenId.Instruction);
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keywords.put("SRL", TokenId.Instruction);
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keywords.put("SUB", TokenId.Instruction);
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@ -85,6 +85,7 @@ import nl.grauw.glass.instructions.Sbc;
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import nl.grauw.glass.instructions.Scf;
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import nl.grauw.glass.instructions.Set;
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import nl.grauw.glass.instructions.Sla;
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import nl.grauw.glass.instructions.Sll;
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import nl.grauw.glass.instructions.Sra;
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import nl.grauw.glass.instructions.Srl;
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import nl.grauw.glass.instructions.Sub;
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@ -165,6 +166,7 @@ public class GlobalScope extends Scope {
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addBuiltInSymbol("scf", new Instruction(new Scf()));
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addBuiltInSymbol("set", new Instruction(new Set()));
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addBuiltInSymbol("sla", new Instruction(new Sla()));
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addBuiltInSymbol("sll", new Instruction(new Sll()));
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addBuiltInSymbol("sra", new Instruction(new Sra()));
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addBuiltInSymbol("srl", new Instruction(new Srl()));
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addBuiltInSymbol("sub", new Instruction(new Sub()));
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@ -0,0 +1,42 @@
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package nl.grauw.glass.instructions;
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import nl.grauw.glass.Scope;
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import nl.grauw.glass.expressions.Expression;
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import nl.grauw.glass.expressions.Register;
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import nl.grauw.glass.expressions.Schema;
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public class Sll extends InstructionFactory {
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@Override
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public InstructionObject createObject(Scope context, Expression arguments) {
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if (Sla_R.ARGUMENTS.check(arguments)) {
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return new Sla_R(context, arguments.getElement(0));
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}
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throw new ArgumentException();
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}
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public static class Sla_R extends InstructionObject {
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public static Schema ARGUMENTS = new Schema(Schema.DIRECT_R_INDIRECT_HL_IX_IY);
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private Expression argument;
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public Sla_R(Scope context, Expression argument) {
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super(context);
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this.argument = argument;
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}
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@Override
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public int getSize() {
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return indexifyIndirect(argument.getRegister(), 2);
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}
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@Override
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public byte[] getBytes() {
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Register register = argument.getRegister();
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return indexifyOnlyIndirect(register, (byte) 0xCB, (byte) (0x30 + register.get8BitCode()));
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}
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}
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}
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