diff options
| -rw-r--r-- | progs/instr2opcode.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/progs/instr2opcode.c b/progs/instr2opcode.c new file mode 100644 index 0000000..bbf9a91 --- /dev/null +++ b/progs/instr2opcode.c @@ -0,0 +1,28 @@ +#include <stdio.h> +#include <string.h> + +#include "alpha.h" + +int main(int argc, char * argv[]) { + int i; + int found = 0; + + if (argc < 2) { + fputs("Must enter an instruction to search for.\n", stderr); + return -1; + } + + for (i = 0; i < alpha_num_opcodes; i++) { + if (strcasecmp(alpha_opcodes[i].name, argv[1]) == 0) { + printf("%3d: %18s - opcode %#04X\n", i, alpha_opcodes[i].name, AXP_OP(alpha_opcodes[i].opcode)); + found = 1; + } + } + + if (!found) { + puts("Sorry, instruction not found."); + return -1; + } + + return 0; +} |