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What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... 8252 ; print our string
jp loop ; repeat until screen is ... -
more Pyskool yet?Thought I'd bump this with a few bugs I found in ver 0.1.2 Lines; Teachers can give lines when facing away from Eric Assembly; Assembly hall is a n…
...
Room dimensions (will tweak these and post the values ... -
tricks to simplify codingWhen i started with programming in assembler i had very simple approach to do things. Just shifting bytes around, doing simple tests and so... Later …
address 23760 etc.Hi all, Where could I find Spectrum 48 addresses, what's in 23760 for instance ? Thanks for advance ! -jp
Hi all,
Where could I find Spectrum 48 addresses, what's in 23760 for instance ?
Thanks for advance !
-jpHappy Burfday jp!Happy Burfday! Drink Beer (your avatar implies you may already be ;)) Have a Gudden!
Happy Burfday!
Drink Beer (your avatar implies you may already be ;))
Have a Gudden!Some TR-DOS technical questionsHi forum, I sincerelly hope this was the right section of yours to ask this kind of stuff in. (else return facepalm;) Anyway, here's a couple of que…
Delete keyIs it the case that this: [CODE]ld bc, 0xEEFE in a, (c) rrca jp nc, delete_key_pressed[/CODE] will jump if Caps-shift is pressed [B]or[/B] i…
... a, (c)
rrca
jp nc, delete_key_pressed[/CODE]
will ...Re-inventing the wheel......TROOPER: POINT 5 First an apology, my level design sucks (well I'm not happy with it) so Trooper is taking an age to do. Anyway this game comes …
... />
I've need to tweak it just a bit more ...A tidy loader for minigamesThe minigame competition doesn't permit the use of separate loaders like [code]10 LOAD "": RAND USR 32768[/code] The loader must be included in the b…
... INK exx *
218 PAPER jp c, NN ** *
219 FLASH ...A question about M1 cyclesI'm writing an interrupt routine that, after the usual register pushes, will jump to a location of my choice with a [b]JP (IY)[/b] instruction. If I…
+3 assembler questionI was wondering if anyone could give any suggestions as to how to get this bit of code working on the +2A/+3 in 128k mode. It works on the +128k/+2 i…
... /> CALL $1f54 ;BREAK-KEY
JP C,$12cf ;MAIN-3 - jump ...Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
Machine code[CODE] OPCODE HEX ADD LD A,05 3E05 F000 LD B,00 0600 F002 INC B 04 LOOP F004 CP A,B B8 F005 JP NZ,LOOP C2F003 F006 LD B,00 0600 F009 LD …
Another machine code problem, sorry[CODE] OPCODE HEX ADD LD A,00 3E00 F000 PUSH AF F5 F002 LD B,05 0605 F003 LD C,06 0E06 LOOP F005 POP AF F1 ADD A,C 80 DEC B 05 …
... /> CP A,0 FE00
JP NZ(LOOP) C205F0
POP ...A fun online game for Slappers.Title says it all. Probably safe for work, unless your boss is a strict un. [url]http://nigoro.jp/game/rosecamellia/rosecamellia.php[/url] :lol:
Title says it all. Probably safe for work, unless your boss is a strict un.
[url]http://nigoro.jp/game/rosecamellia/rosecamellia.php[/url]
:lol:Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…
... nz, kontroll7
jp writetext
ret
dec h
jp loop1
kontroll2 ... br /> dec h
jp loop1
... br /> dec h
jp loop1
... br /> dec h
jp loop1
...Laser turntableThis is one piece of equipment i would like to have,ten grand price though!,those with the cash head over to [url]http://www.elpj.com/[/url] [youtub…
... player,- [url]http://www.soundwagon.jp/product.html[/url]
[youtube ...ANN: Tipshop updated Tuesday, 30 November 2010Tuesday 30 November 2010 Happy 15th Birthday, WoS! * Phantomas let me know that the POKE for Two Gun Turtle didn't work. Unfortunately the one he p…
... for Fairlight II
* Jp sent in patched versions of ...Fuse for Mac OS X 1.0.0 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project and shortly here on WoS: [url]http://sourceforge.net/proje…
... the debugger (Marek Januszewski).
[*] Tweak sector padding to fix Opus ...A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…
... />
__DRAW_ERROR:
jp __OUT_OF_SCREEN_ERR
DRAW ... ; and (hl)
jp __DRAW_START
... in free E register
jp __DRAW4_LOOP
... in free E register
jp __DRAW6_LOOP
...A Rare Spectrum BookA rare Spectrum Book has been recently uploaded by JP - The Guide to the Spectrum ROM by Andrew Pennell [url]http://www.worldofspectrum.org/infosee…
... has been recently uploaded by JP -
The Guide to ...ANN: Tipshop updated Monday, 31 January 2011Monday 31 January 2011 Happy New Year! (A tad belated?! Ed) - that's what happens when you only do monthly updates * Craig Daines sent in POKEs for…
... POKEs for RoboCop.
* JP sent in 128K compatibility fixes ...Best way to organise a multi screen game?Hi All, Does anybody know ay good ways to organise large multi screen game? Or any links to useful texts on the matter? In my previous single scr…
... ,(level), cp 1, jp z,printscr1,cp 2, jp z....and so ...quick - Zx80 ASM questionWhile I am ploughing through lots of ASM listings, one of my earlier adaptation attempts surprised me [B][asm code][/B] [code] org 32768 start: ld…
... '$' ; see if it '$' terminator
jp z,textend ; were done if ... onto the next character
jp printtext ; loop round
Heartland[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002267"]Heartland[/URL] has distribution denied, which means is won't be possible to upload a…
... this:
[CODE]
$5E4C JP $BCE8
[/CODE]
[CODE]
$5E4C JP $F3ED
$F3ED LD ... ($BE41),A
JP $BCE8
[/CODE]
