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Fix bug where accessing byte/hword registers > 8 wouldn't work

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This is because we were checking them as if they were word registers.
This commit is contained in:
Aryadev Chavali
2023-10-22 19:28:45 +01:00
parent ed63025927
commit 33364fddab
1 changed files with 2 additions and 2 deletions
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4
src/runtime.c
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@@ -382,7 +382,7 @@ void vm_push_word_register(vm_t *vm, byte reg)
data_t vm_mov_byte(vm_t *vm, byte reg) data_t vm_mov_byte(vm_t *vm, byte reg)
{ {
if (reg >= VM_REGISTERS) if (reg >= (VM_REGISTERS * 8))
// TODO: Error (reg is not a valid byte register) // TODO: Error (reg is not a valid byte register)
return DBYTE(0); return DBYTE(0);
else if (vm->stack.ptr == 0) else if (vm->stack.ptr == 0)
@@ -396,7 +396,7 @@ data_t vm_mov_byte(vm_t *vm, byte reg)
data_t vm_mov_hword(vm_t *vm, byte reg) data_t vm_mov_hword(vm_t *vm, byte reg)
{ {
if (reg >= VM_REGISTERS) if (reg >= (VM_REGISTERS * 2))
// TODO: Error (reg is not a valid hword register) // TODO: Error (reg is not a valid hword register)
return DHWORD(0); return DHWORD(0);
else if (vm->stack.ptr < sizeof(f64)) else if (vm->stack.ptr < sizeof(f64))