public void generateCode(CODE code) throws CodeGenException {
code.comment(" METHOD " + this.name);
// save return address (r7) in word 3 of stack
// STR R7 R6 3
code.commentline(" save SFP R7 and initialize SP R5");
code.add(new LC3STR(LC3regs.R7, CODE.SFP, 2));
if (this.isEntry) {
code.add(new LC3LEA(CODE.TMP0, code.arguments));
code.add(new LC3STR(CODE.TMP0, CODE.SFP, 3));
}
code.add(new LC3ADD(CODE.SP, CODE.SFP, 3 + this.getVarCount()));
code.commentline(" body ");
this.body.generateCode(code);
code.comment(" METHOD END " + this.name);
}
public void generateCode(CODE code) throws CodeGenException {
LC3label cont = code.newLabel();
code.comment(" MULT BEGIN ");
code.commentline("lhs");
this.lhs.generateCode(code);
code.commentline("rhs");
this.rhs.generateCode(code);
// Hvis det er forkert, kald multi subroutine el. tilf¿j NOT(TMP1)!
code.commentline("Multiplication");
code.pop2(CODE.TMP0, CODE.TMP1);
code.add(cont);
code.add(new LC3ADD(CODE.TMP0, CODE.TMP0, CODE.TMP0));
code.add(new LC3ADD(CODE.TMP1, CODE.TMP1, -1));
code.add(new LC3BRP(cont));
code.push(CODE.TMP0);
code.comment(" MULT END ");
}
