Gift for Atari 8-bit computers in 6502 assembly
Author: dmsc
Category: Christmas Challenge
System: Atari 8-bit
Language: Assembler
Len source code: 662
Len exe file: 68
Len code only: 62
Instructions:
With the provided ATR floppy disk image, just boot and type GIFT to run the
program.
Description:
The program has two parts:
- To print the bow, a loop with a table is used, this is only two bytes
shorter than printing the 3 characters directly.
- To print the gift, a loop of rows and columns is made keeping a counter to
change the symbol each 9 characters. This counter is done using a rotating
bit through carry.
To assemble the source, use the MADS assembler.