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Diffstat (limited to 'lib.ts')
| -rw-r--r-- | lib.ts | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib.ts b/lib.ts new file mode 100644 index 0000000..a1cd815 --- /dev/null +++ b/lib.ts @@ -0,0 +1,5 @@ +export function parseReg(arg: number): number { + if (!'abcd'.split('').includes(String.fromCharCode(arg).toLowerCase())) + throw `invalid register "${String.fromCharCode(arg)}"`; + return 'abcd'.split('').indexOf(String.fromCharCode(arg).toLowerCase()) +} \ No newline at end of file |