Day 12 and I decided to play around a little more with Mac/65. This time around I created a routine to loop through the 16 hue / 16 luminance combinations of the Atari 8-bit computers. This creates a really cheap and cheerful effect which you can sort of see on …
Day 10 was kind of a dud. I was more worried that I was losing my main OS drive on my computer, so I didn't do a learning challenge. (Everything's fine, AFAICT).
Day 11 and I decided to try something a little different:
Day 8 saw me playing with more branching opcodes, including BCS (branch if greater than or equal) and BCC (branch if less than). Both of the branching instructions happen after a CMP (Compare) opcode. The results of the CMP opcode are stored in the carry flag. BCC stands for Branch …