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Diffstat (limited to 'ports.asm')
| -rw-r--r-- | ports.asm | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/ports.asm b/ports.asm new file mode 100644 index 0000000..4ca60f7 --- /dev/null +++ b/ports.asm @@ -0,0 +1,9 @@ + ;; Routines to process OUT and IN instructions. This is the + ;; bit that's unique to TI calculators. + + ;; Port is in d0, byte is in d1 +port_in: + rts + +port_out: + rts |