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Diffstat (limited to 'ops')
-rw-r--r--ops/common.h13
-rw-r--r--ops/end.c3
2 files changed, 9 insertions, 7 deletions
diff --git a/ops/common.h b/ops/common.h
index 546b064..6b124b3 100644
--- a/ops/common.h
+++ b/ops/common.h
@@ -6,19 +6,22 @@
typedef unsigned long reg_t;
typedef signed long sreg_t;
-typedef void (*op_call)(reg_t *sp, reg_t a, reg_t x, reg_t y, reg_t o);
+typedef reg_t (*op_call)(reg_t *sp, reg_t a, reg_t x, reg_t y, reg_t o);
#define NEXT_OP(sp, a, x, y, o) \
- ((op_call)(&__next_op))((sp), (a), (x), (y), (o));
+ return ((op_call)(&__next_op))((sp), (a), (x), (y), (o));
-#define JUMP(target, sp, a, x, y, o) \
+#define CALL(target, sp, a, x, y, o) \
((op_call)(target))((sp), (a), (x), (y), (o));
+#define JUMP(target, sp, a, x, y, o) \
+ return CALL(target, sp, a, x, y, o);
+
#define BRANCH(target, cond, sp, a, x, y, o) \
- ((op_call)((cond) ? (void *)(target) : (void *)&__next_op)) \
+ return ((op_call)((cond) ? (void *)(target) : (void *)&__next_op)) \
((sp), (a), (x), (y), (o)); \
-#define DEFINE_OP(name) void _op(reg_t *sp, reg_t a, reg_t x, reg_t y, reg_t o)
+#define DEFINE_OP(name) reg_t _op(reg_t *sp, reg_t a, reg_t x, reg_t y, reg_t o)
#define UNUSED(x) (void)(x);
diff --git a/ops/end.c b/ops/end.c
index 3abf4e0..34f2d9d 100644
--- a/ops/end.c
+++ b/ops/end.c
@@ -6,8 +6,7 @@ DEFINE_OP(end)
{
UNUSED(sp);
UNUSED(a);
- UNUSED(x);
UNUSED(y);
UNUSED(o);
- return;
+ return x;
}