diff options
Diffstat (limited to 'programs/hex-to-bcd.s')
| -rw-r--r-- | programs/hex-to-bcd.s | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/programs/hex-to-bcd.s b/programs/hex-to-bcd.s new file mode 100644 index 0000000..53a3ff2 --- /dev/null +++ b/programs/hex-to-bcd.s @@ -0,0 +1,7 @@ +hex_to_bcd: + pla #1 ; Get argument. + div #10 ; Divide A by 10. + lsl #4 ; Shift the result left by 4 bits. + oab ; Or the result, with the remainder. + pha #1 ; Push the packed BCD result to the stack. + rts ; Return the result. |