diff options
Diffstat (limited to 'vm/runtime.h')
| -rw-r--r-- | vm/runtime.h | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/vm/runtime.h b/vm/runtime.h index be907b3..1226ea9 100644 --- a/vm/runtime.h +++ b/vm/runtime.h @@ -33,13 +33,13 @@ typedef enum const char *err_as_cstr(err_t); -#define VM_REGISTERS 8 +typedef darr_t registers_t; +#define VM_NTH_REGISTER(REGISTERS, N) (((word *)((REGISTERS).data))[N]) +#define VM_REGISTERS_AVAILABLE(REGISTERS) (((REGISTERS).available) / WORD_SIZE) + typedef struct { - struct Registers - { - word reg[VM_REGISTERS]; - } registers; + registers_t registers; struct Stack { byte *data; @@ -57,6 +57,7 @@ err_t vm_execute_all(vm_t *); void vm_load_stack(vm_t *, byte *, size_t); void vm_load_program(vm_t *, inst_t *, size_t); +void vm_load_registers(vm_t *, registers_t); // Print routines #define VM_PRINT_PROGRAM_EXCERPT 5 @@ -83,15 +84,15 @@ static const push_f PUSH_ROUTINES[] = { [OP_PUSH_WORD] = vm_push_word, }; -err_t vm_push_byte_register(vm_t *, byte); -err_t vm_push_hword_register(vm_t *, byte); -err_t vm_push_word_register(vm_t *, byte); +err_t vm_push_byte_register(vm_t *, word); +err_t vm_push_hword_register(vm_t *, word); +err_t vm_push_word_register(vm_t *, word); -err_t vm_mov_byte(vm_t *, byte); -err_t vm_mov_hword(vm_t *, byte); -err_t vm_mov_word(vm_t *, byte); +err_t vm_mov_byte(vm_t *, word); +err_t vm_mov_hword(vm_t *, word); +err_t vm_mov_word(vm_t *, word); -typedef err_t (*reg_f)(vm_t *, byte); +typedef err_t (*reg_f)(vm_t *, word); static const reg_f REG_ROUTINES[] = { [OP_PUSH_REGISTER_BYTE] = vm_push_byte_register, [OP_PUSH_REGISTER_HWORD] = vm_push_hword_register, |