From d2cdb211b2d15c3a15b15737645f2a68641f34ee Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Sat, 21 Oct 2023 23:31:48 +0100
Subject: Added vm_execute_all which executes an entire program

Handles OP_HALT
---
 src/runtime.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/runtime.c')

diff --git a/src/runtime.c b/src/runtime.c
index 218bba7..57101e0 100644
--- a/src/runtime.c
+++ b/src/runtime.c
@@ -50,6 +50,10 @@ void vm_execute(vm_t *vm)
     vm->registers.ret = d.as_word; // will do type punning for me
     prog->ptr++;
   }
+  else if (instruction.opcode == OP_HALT)
+  {
+    // Do nothing here.  Should be caught by callers of vm_execute
+  }
   else
   {
     // TODO: Error (Unknown opcode)
@@ -57,6 +61,13 @@ void vm_execute(vm_t *vm)
   }
 }
 
+void vm_execute_all(vm_t *vm)
+{
+  struct Program *program = &vm->program;
+  while (program->instructions[program->ptr].opcode != OP_HALT)
+    vm_execute(vm);
+}
+
 void vm_load_stack(vm_t *vm, byte *bytes, size_t size)
 {
   vm->stack.data = bytes;
-- 
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