Hi, I have to code two programs in 6502, the first one - showing on the screen hexa number - is done, and it works correctly, but the second one - showing decimal number on the screen - isn't working. I'm trying to connect the program, which is working with the functions which let count decimal ...

Thank you for your answer. I edited my code as you'd wrote, but it didn't work, it printed high byte all the time. I tried putting
lda <text
ldx >text
in different positions, because I wonder if it should be executed 2 times, but I haven't had good result yet.


opt f-g-h+l+o+
org $1000

start ...

You'll find code for printing a hex byte at http://www.sbprojects.com/projects/apple1/wozmon.txt ; search for "PRBYTE" on that page. That's code written by Woz, so should be worth looking at.

Hi, I want to change this code to be able to write on a screen 2 bytes number. It shows only first byte ...