diff options
Diffstat (limited to 'opcodes/rl78-decode.opc')
| -rw-r--r-- | opcodes/rl78-decode.opc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/opcodes/rl78-decode.opc b/opcodes/rl78-decode.opc index 6212f08..b25e441 100644 --- a/opcodes/rl78-decode.opc +++ b/opcodes/rl78-decode.opc @@ -50,7 +50,9 @@ typedef struct #define W() rl78->size = RL78_Word #define AU ATTRIBUTE_UNUSED -#define GETBYTE() (ld->op [ld->rl78->n_bytes++] = ld->getbyte (ld->ptr)) + +#define OP_BUF_LEN 20 +#define GETBYTE() (ld->rl78->n_bytes < (OP_BUF_LEN - 1) ? ld->op [ld->rl78->n_bytes++] = ld->getbyte (ld->ptr): 0) #define B ((unsigned long) GETBYTE()) #define SYNTAX(x) rl78->syntax = x @@ -168,7 +170,7 @@ rl78_decode_opcode (unsigned long pc AU, RL78_Dis_Isa isa) { LocalData lds, * ld = &lds; - unsigned char op_buf[20] = {0}; + unsigned char op_buf[OP_BUF_LEN] = {0}; unsigned char *op = op_buf; int op0, op1; |