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| author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-10-21 23:54:59 +0100 |
|---|---|---|
| committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-10-21 23:54:59 +0100 |
| commit | ae7f0efc858510034dddee5bd1a02a6ec3788c32 (patch) | |
| tree | 1807926100d46a27c68d1b9b153f6363de85defd /src/runtime.c | |
| parent | ba57523f3ecba69e628a7a811f258b652cf48615 (diff) | |
| download | ovm-ae7f0efc858510034dddee5bd1a02a6ec3788c32.tar.gz ovm-ae7f0efc858510034dddee5bd1a02a6ec3788c32.tar.bz2 ovm-ae7f0efc858510034dddee5bd1a02a6ec3788c32.zip | |
Implemented vm routines for OP_NOT_*
Diffstat (limited to 'src/runtime.c')
| -rw-r--r-- | src/runtime.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/runtime.c b/src/runtime.c index 57101e0..d938c46 100644 --- a/src/runtime.c +++ b/src/runtime.c @@ -335,3 +335,34 @@ data_t vm_pop_word(vm_t *vm) } return DWORD(w); } + +void vm_not_byte(vm_t *vm) +{ + if (vm->stack.ptr == 0) + // TODO: Error STACK_UNDERFLOW + return; + + byte a = vm_pop_byte(vm).as_byte; + vm_push_byte(vm, DBYTE(!a)); +} + +void vm_not_hword(vm_t *vm) +{ + if (vm->stack.ptr < HWORD_SIZE) + // TODO: Error STACK_UNDERFLOW + return; + + hword a = vm_pop_hword(vm).as_hword; + vm_push_hword(vm, DHWORD(!a)); +} + +void vm_not_word(vm_t *vm) +{ + if (vm->stack.ptr < WORD_SIZE) + // TODO: Error STACK_UNDERFLOW + return; + + word a = vm_pop_word(vm).as_word; + vm_push_word(vm, DWORD(!a)); +} + |