Writing Exchange

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Ian NeillHaving a break from other "rabbit holes" to return to <a href="https://mastodon.ie/tags/CPM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CPM</a>, and I'm away from my hardware, so it's emulation only.Got <a href="https://mastodon.ie/tags/runCPM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#runCPM</a> up my laptop and had to get <a href="https://mastodon.ie/tags/Zork" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Zork</a> running. Found the eblong Infocom archive and the <a href="https://mastodon.ie/tags/Z80" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Z80</a> the Z Interpretator source (+ Zork Z3 file).Fixed some issues and it assembled with <a href="https://mastodon.ie/tags/z80asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80asm</a> but when I ran it the text display was not right. I recognised escape code issues. Dug into the Z80 code and found the problem. Hours later I found the reason.Wyse codes, not VT100/ANSI 😉

RC2014I have found this table of the 6502 code that would be equivalent to Z80 code <a href="https://litwr2.github.io/8080-8085-z80-8088-6502/z80-6502.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://litwr2.github.io/8080-8085-z80-8088-6502/z80-6502.html</a>However, does anybody know of one going the opposite way? ie what Z80 code would be equivalent to 6502 code?<a href="https://oldbytes.space/tags/z80asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80asm</a> <a href="https://oldbytes.space/tags/Z80" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Z80</a> <a href="https://oldbytes.space/tags/6502asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#6502asm</a>

Retro GerryGot a new book.Zx spectrum next assembly guide by tomaz kragelj. Ordered it from lulu.com and it arrived in only a few days. Which for print on demand is fast.My heads been messed up with cold i have atm. So. Not really had a good chance to read it but with my speccy next 2 coming in the next few weeks i thought i better get ready<a href="https://mastodon.gamedev.place/tags/zxspectrumnext" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zxspectrumnext</a> <a href="https://mastodon.gamedev.place/tags/assemblylanguage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#assemblylanguage</a> <a href="https://mastodon.gamedev.place/tags/z80asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80asm</a> <a href="https://mastodon.gamedev.place/tags/zxspectrum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zxspectrum</a>

CwiiisSpent several hours working the kinks out of my <a href="https://mastodon.social/tags/amstradcpc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#amstradcpc</a> Plus/GX4000 multidirectional scrolling code last night. Finally got it working without glitches (visible updates around the left/right will be hidden eventually, currently visible for debugging). Vertical scrolling is much more difficult than horizontal... Aiming to keep things at 50Hz.There's a strange satisfaction from on-board <a href="https://mastodon.social/tags/z80asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80asm</a> coding 🙂 <a href="https://mastodon.social/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#retrocomputing</a> <a href="https://mastodon.social/tags/z80" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80</a>

Retro GerryYeah... That code to move the ties may be a little ... Buggy <a href="https://mastodon.gamedev.place/tags/asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#asm</a> <a href="https://mastodon.gamedev.place/tags/z80asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80asm</a> <a href="https://mastodon.gamedev.place/tags/cpc464" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cpc464</a> <a href="https://mastodon.gamedev.place/tags/amstrad464" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#amstrad464</a>

Retro Gerrythe simple joy i got today when my <a href="https://mastodon.gamedev.place/tags/z80" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80</a> code ran correctly and the cpc switched to each mode in turn while printing the ascii characters from 32 to 255 in alternating paper and inks then prompting me to press a key before switching to the next mode.I mean its so simple in non machine code, a couple of nested for loops and its done. But the asm is just fun. I might eventually actually be getting my head around this asm stuff.<a href="https://mastodon.gamedev.place/tags/z80asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#z80asm</a> <a href="https://mastodon.gamedev.place/tags/cpc464" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cpc464</a> <a href="https://mastodon.gamedev.place/tags/retroprogramming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#retroprogramming</a>

Saad Azim<a href="https://mathstodon.xyz/@JordiGH" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@JordiGH</a> I don't suppose I can interest you in looking into <a href="https://mastodon.art/tags/Z80asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Z80asm</a> ? There are more registers to play with. :3

Squishlord ZachariahJust realised I haven't done an <a href="https://furry.engineer/tags/introduction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#introduction</a> yet!Hi! I'm Zach, a <a href="https://furry.engineer/tags/ThirtySomething" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ThirtySomething</a> rabbit from the <a href="https://furry.engineer/tags/UK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UK</a>. By day, I'm a software developer working mostly in <a href="https://furry.engineer/tags/CSharp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CSharp</a> and <a href="https://furry.engineer/tags/TypeScript" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TypeScript</a>, though I dabble in other stuff like <a href="https://furry.engineer/tags/CPlusPlus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CPlusPlus</a> and <a href="https://furry.engineer/tags/Z80Asm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Z80Asm</a> from time to time.Outside of work, I like weird toony <a href="https://furry.engineer/tags/squishy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#squishy</a> things, <a href="https://furry.engineer/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RetroComputing</a>, <a href="https://furry.engineer/tags/RetroGaming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RetroGaming</a> and occasionally writing (usually a blend of <a href="https://furry.engineer/tags/fantasy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fantasy</a> and <a href="https://furry.engineer/tags/horror" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#horror</a>).I'm hoping to follow other techy furs and find out what you're all working on!

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