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-rw-r--r--src/main.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/src/main.c b/src/main.c
index 24589d2..df596a7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -15,20 +15,18 @@
#include "./base.h"
-#define VM_STACK_MAX 1024
-
typedef struct
{
struct Stack
{
- byte data[VM_STACK_MAX];
- word ptr;
+ byte *data;
+ word ptr, size;
} stack;
} vm_t;
void vm_push_byte(vm_t *vm, data_t b)
{
- if (vm->stack.ptr >= VM_STACK_MAX)
+ if (vm->stack.ptr >= vm->stack.size)
// TODO: Error STACK_OVERFLOW
return;
vm->stack.data[vm->stack.ptr++] = b.as_byte;
@@ -36,7 +34,7 @@ void vm_push_byte(vm_t *vm, data_t b)
void vm_push_word(vm_t *vm, data_t w)
{
- if (vm->stack.ptr + WORD_SIZE >= VM_STACK_MAX)
+ if (vm->stack.ptr + WORD_SIZE >= vm->stack.size)
// TODO: Error STACK_OVERFLOW
return;
// By default store in big endian
@@ -51,7 +49,7 @@ void vm_push_word(vm_t *vm, data_t w)
void vm_push_float(vm_t *vm, data_t f)
{
- if (vm->stack.ptr + FLOAT_SIZE >= VM_STACK_MAX)
+ if (vm->stack.ptr + FLOAT_SIZE >= vm->stack.size)
// TODO: Error STACK_OVERFLOW
return;
// TODO: Make this machine independent (encode IEEE754 floats