Vintage Computing Christmas Challenge 2023

[MustardTiger]

I only managed 44bytes. Looking at the winners code I learnt about $200a for print at and the HL, BC settings from the USR call in basic. Those are some nice tricks to remember.

[Dr beep]

BTW:

I can recomment this solution if you haven't seen it yet.

https://retrobits.altervista.org/blog/2 ... s-sweater/

and chapter 2
https://retrobits.altervista.org/blog/2 ... s-sweater/

[Dr beep]

I only managed 44bytes. Looking at the winners code I learnt about $200a for print at and the HL, BC settings from the USR call in basic. Those are some nice tricks to remember.

A holds the same value as C. Can be handy too!

[Dr beep]

I only managed 44bytes. Looking at the winners code I learnt about $200a for print at and the HL, BC settings from the USR call in basic. Those are some nice tricks to remember.

Shall I tell you another MINDBLOWING fact!!!

DJNZ does NOT set zero-flag!

So this code

Code: Select all

loop:
dec c
djnz loop
jr nz,cnotz

will test the DEC C status NOT the DEC B from DJNZ

[g0blinish]

my experiments
http://g0blinish.ucoz.ru/forblog3/vccc2023.zip