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Fixing IVM SUB bug.

This commit is contained in:
Ben Vanik 2014-01-31 22:51:04 -08:00
parent 009a6d0745
commit 458368c35e
1 changed files with 2 additions and 2 deletions
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4
src/alloy/backend/ivm/ivm_intcode.cc
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@ -2473,9 +2473,9 @@ uint32_t IntCode_SUB_I16_I16(IntCodeState& ics, const IntCode* i) {
uint32_t IntCode_SUB_I32_I32(IntCodeState& ics, const IntCode* i) {
int32_t a = ics.rf[i->src1_reg].i32; int32_t b = ics.rf[i->src2_reg].i32;
if (i->flags == ARITHMETIC_SET_CARRY) {
ics.did_carry = a < ~b;
}
ics.did_carry = SUB_DID_CARRY(a, b);
}
ics.rf[i->dest_reg].i32 = a - b;
return IA_NEXT;
}
uint32_t IntCode_SUB_I64_I64(IntCodeState& ics, const IntCode* i) {