krgamestudios/Toy
1
0
Fork 0
mirror of https://github.com/krgamestudios/Toy.git synced 2026-04-15 14:54:07 +10:00
Code Issues Packages Projects Releases Wiki Activity

Added negate opcode to equality opcode, in the second byte

Browse Source
This commit is contained in:
Kayne Ruse
2024-10-03 10:15:58 +10:00
parent 5db3e407b1
commit ab1c9b941f
8 changed files with 74 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
source/toy_vm.c
View File

@@ -165,7 +165,16 @@ static void processComparison(Toy_VM* vm, Toy_OpcodeType opcode) {
//most things can be equal, so handle it separately
if (opcode == TOY_OPCODE_COMPARE_EQUAL) {
Toy_pushStack(&vm->stack, TOY_VALUE_TO_BOOLEAN(TOY_VALUE_IS_EQUAL(left, right)) );
bool equal = TOY_VALUE_IS_EQUAL(left, right);
//equality has an optional "negate" opcode within it's word
if (READ_BYTE(vm) != TOY_OPCODE_NEGATE) {
Toy_pushStack(&vm->stack, TOY_VALUE_TO_BOOLEAN(equal) );
}
else {
Toy_pushStack(&vm->stack, TOY_VALUE_TO_BOOLEAN(!equal) );
}
return;
}
@@ -254,7 +263,7 @@ static void process(Toy_VM* vm) {
case TOY_OPCODE_AND:
case TOY_OPCODE_OR:
case TOY_OPCODE_TRUTHY:
case TOY_OPCODE_NEGATE: //TODO: squeeze into !=
case TOY_OPCODE_NEGATE:
processLogical(vm, opcode);
break;