diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime.c | 30 | ||||
| -rw-r--r-- | src/runtime.h | 10 | 
2 files changed, 40 insertions, 0 deletions
| diff --git a/src/runtime.c b/src/runtime.c index a57dc2f..d07f141 100644 --- a/src/runtime.c +++ b/src/runtime.c @@ -396,3 +396,33 @@ void vm_or_word(vm_t *vm)    vm_push_word(vm, DWORD(a | b));  } +void vm_and_byte(vm_t *vm) +{ +  if (vm->stack.ptr < 2) +    // TODO: Error STACK_UNDERFLOW +    return; +  byte a = vm_pop_byte(vm).as_byte; +  byte b = vm_pop_byte(vm).as_byte; +  vm_push_byte(vm, DBYTE(a & b)); +} + +void vm_and_hword(vm_t *vm) +{ +  if (vm->stack.ptr < (HWORD_SIZE * 2)) +    // TODO: Error STACK_UNDERFLOW +    return; +  hword a = vm_pop_hword(vm).as_hword; +  hword b = vm_pop_hword(vm).as_hword; +  vm_push_hword(vm, DHWORD(a & b)); +} + +void vm_and_word(vm_t *vm) +{ +  if (vm->stack.ptr < (WORD_SIZE * 2)) +    // TODO: Error STACK_UNDERFLOW +    return; +  word a = vm_pop_word(vm).as_word; +  word b = vm_pop_word(vm).as_word; +  vm_push_word(vm, DWORD(a & b)); +} + diff --git a/src/runtime.h b/src/runtime.h index d757e36..4ac475b 100644 --- a/src/runtime.h +++ b/src/runtime.h @@ -121,4 +121,14 @@ static const or_f OR_ROUTINES[] = {      [OP_OR_WORD]  = vm_or_word,  }; +void vm_and_byte(vm_t *); +void vm_and_hword(vm_t *); +void vm_and_word(vm_t *); +typedef void (*and_f)(vm_t *); +static const and_f AND_ROUTINES[] = { +    [OP_AND_BYTE]  = vm_and_byte, +    [OP_AND_HWORD] = vm_and_hword, +    [OP_AND_WORD]  = vm_and_word, +}; +  #endif | 
