Infocom Interpreter Hacking on Commodore PET
#CommodorePET #Infocom #6502Assembly #RetroComputing #Root42 #BitShifter #TextAdventures #Commodore64 #RetroDev #LiveCoding
https://theoasisbbs.com/infocom-interpreter-hacking-on-c64/
FairLight TV #120A, Fjälldata 2025 Trident Talk
#C64 #DemoCoding #RetroComputing #6502Assembly #Programming #Fjälldata2025
https://theoasisbbs.com/fairlight-tv-120a-fjalldata-2025-trident-talk/?feed_id=1803&_unique_id=67bc7dc0e0364
Someone reverse-engineered Apple ][ Choplifter, an amazing game from my youth. Awesome write-up of the process and link to the assembly code.
Is anyone here interested in the 6502 microprocessor?
I got a little frustrated with the poor quality of online resources, so I put this together:
https://syncopate.us/articles/2024/b29c
#6502 #mos6502 #6502assembly
I have now moved the "Tetris on 6502 Assembly" blog serie to my new home:
https://fightingcomputers.nl/Projects/Commodore-64/Tetris-in-6502/Tetris-in-6502---Part-1
Take a look if you fancy some 6502 coding on the #c64
#commodore #tetris #6502assembly #retrocomputing
Inspired by the classic one liner:
10 PRINT CHR$(205.5+RND(1));: GOTO 10
for the #Commodore #C64
* = $c000
lda #$00
sta $d020
sta $d021
lda #$01
sta $0286
lda #147
jsr $ffd2
clc
lda $d012
and #$01
adc #$cd
jsr $ffd2
bne $c012
Execute with SYS 49152
#6502Assembly
I wonder if you can make something useful in assembly in the limits of one Mastodon post - or 500 characters? Either as Assembly source, or as just hex bytes, which is about 160 hex bytes including spaces and a start address.
#AskingForAFriend
#6502Assembly
#MachineCode
#Z80
After some thinking, this is the shortest way to make a Hello World in #6502Assembly on the #Commodore #C64 (portable to other C= machines)
Source:
* = $c000
ldx #$0a
lda $c00c,x
dex
jsr $ffd2
bne $c002
rts
!byte $44, $4c, $52, $4f, $57, $20, $4f, $4c, $4c ,$45, $48
Screen shot from BASIC also attached.
Can you understand 6502 assembly? Even if you don't, you might find this thoroughly commented and very readable disassembly of Super Mario Bros. on the NES enlighting:
https://gist.github.com/1wErt3r/4048722
@hackaday This is really cool. I have a #Z80 chip that I hope to some day turn into something like this.
Meanwhile I'm still learning lots from my Smartykit Apple I clone. That thing is a lot more fun to poke around with than it has any right to be! #6502assembly
@DeveloperMemes
Well, actually I never programmed in #assembly even if I learned #6502assembly
I'm Comchia, and I've just started my Mastodon. My favourite hobby is anything with vintage computers, and all the games and programming downstream from there. I also enjoy soldering, making and learning pixel art, learning code (currently learning 6502 assembly and BASIC, others to follow), cooking, and grass touching/nature stuff. Feel free to follow, leave any hate speech elsewhere.
Here's my computer game collection!
