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-rw-r--r--src/runtime.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/runtime.c b/src/runtime.c
index 6b708ee..e68dd25 100644
--- a/src/runtime.c
+++ b/src/runtime.c
@@ -19,7 +19,7 @@
void vm_execute(vm_t *vm)
{
- static_assert(NUMBER_OF_OPCODES == 32, "vm_execute: Out of date");
+ static_assert(NUMBER_OF_OPCODES == 34, "vm_execute: Out of date");
struct Program *prog = &vm->program;
if (prog->ptr >= prog->max)
// TODO: Error (Went past end of program)
@@ -96,6 +96,18 @@ void vm_execute(vm_t *vm)
// Set prog->ptr to the jump point requested
prog->ptr = instruction.operand.as_word;
}
+ else if (instruction.opcode == OP_JUMP_STACK)
+ {
+ // Set prog->ptr to the word on top of the stack
+ prog->ptr = vm_pop_word(vm).as_word;
+ }
+ else if (instruction.opcode == OP_JUMP_REGISTER)
+ {
+ if (instruction.operand.as_byte >= 8)
+ // TODO: Error register is not a valid word register
+ return;
+ prog->ptr = vm->registers.reg[instruction.operand.as_byte];
+ }
else if (instruction.opcode == OP_HALT)
{
// Do nothing here. Should be caught by callers of vm_execute