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Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
... /> #pragma output STACKPTR=48450 // place stack at 48450 at startup
20KWell here it is the 20000th post, a monumental event indeed, even if 18000 of them are complete drivel :D Should I be proud? Or should I be ashamed…
... Saukas, csmith, AndyC, joefish, Jumping Stack, Shaun. Bebbington, ccowley, Badbeard, festershinetop ...using the ROM's FP calculatorIs it possible to use the ROM's FP calculator to evaluate any FP expression in a single sequence of commands without breaking out to stack some other…
... commands without breaking out to stack some other element of the ... />
stack A : stack B : rst $28 : divide : end_calc
stack C : stack D ...Shadow registers.I assume it's faster to transfer the registers to the shadow registers rather than using the stack? Let's say that I want to temporarily preserve the…
... registers rather than using the stack? Let's say that I ...28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... (four PUSHes), then rearranges the stack pointer to point at the ...Matching calls and returnsHi all, A pretty fundamental question here that I probably should have sorted by now. I've noticed how much the stack has built out in my current g…
... 've noticed how much the stack has built out in my ... you lose a life the stack builds by a word, (and ... happy to clean up the stack as they go?simplest method to pass a string to m/code?The statement "RANDOMIZE numvar+USR mc" is a simple way of passing a single numeric parameter to a m/c routine, as mc can retrieve numvar from the to…
... the top of the calculator stack. I've been trying to ... code to adjust the machine stack and then a call to ... string details onto the calculator stack before they can be taken ...Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... to the use of the stack, the screen is drawn ... ; save all registers and the stack pointer
push bc
stack available)
ld (endcall), hl ... />
ld sp, (sp_cache) ; resotre stack pointer and all registers
number padding functionI wrote a number padding function in BASIC a while ago, but when I came to want it again I couldn't find it, so I've done this enhanced [url=http://w…
... method of manipulating the machine stack to get USR to return ...What's best for backing up home data?What's best for backing up home data? I'm not talking about anything too important (if I even had anything like that I'd use multiple DVDs, with some…
... minus side, sorting through a stack of DVD-Rs for the ...EMUZLOADER errorI've been sent some program files in EMUZLOADER format. One won't load as the unpacking doesn't stop when it reaches the top of the stack at $408F bu…
... reaches the top of the stack at $408F but attempts to ... loader code resides, overwrites the stack and part of the code ...Journey's End III was a big fan of Journey's End and invested many months of my life in playing this very hard game. I even had plans in 1987 to make a follow up. In…
Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…
... ; store SP
ld sp,#stack
call gsinit ; init static ... of operating system stack
.ds 1024
stack:
.area _HEAP ...Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... fact it keeps a private stack too and doesn't even ...128kB snapshot on ZX48kBWhat is best way for 128kB snapshot loading on 48kB models ? Some Z80 snapshots are 128kB versions (Z80 v2 or v3) but contain 48kB games. Same proble…
... contain locked port 7FFD
- stack pointer is in last 16kB ...ZX emulators and open SNA 48 filesI test start of 48kB SNA snapshots in ZX emulators with dirrerent result. 48kB SNA format have starting adress (PC register) on stack. SPECTACULATOR…
... starting adress (PC register) on stack.
SPECTACULATOR - after open ... emulators replace starting adress on stack with adress 0 ?need a new method for m/c parameter assignmentI've been using a variable length function of the form: "FN a$(a$,a[,b...,z])=STR$ USR md" to search a data table and return a string result. By putt…
... " on the calculator stack and manipulating the machine stack before the RET ... the parameters off the calculator stack with SCANNING but then I ...multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…
Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width isAdvice about Logic AnalyzerHello to everybody! First, I hope this message is posted in the appropriate board. During my more or less successful career at fixing ZXes, I alway…
... (pick one) addition to my stack of test equipment. Until today ...SpecBAS 0.755 Now available!At last, here's the bugfixes you've all been waiting for! The last round of fixes which allowed proper error propagation in the file i/o routines re…
... properly in DIM
Fixed stack corruption in the coordinate conversion ...Goldeneye XI don't remember seeing Goldeneye X mentioned on WOS, so to help remove the lousy after-taste of GE rip-offs like Goldeneye Rogue Agent (XBox 1/PS2) …
...
Library,
Basement,
Stack,
Facility,[/COLOR]
[COLOR ...Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... ,b,1,a2 for calculator stack
ld c,(ix ... ,b,1,a2 to calculator stack
ld (23653),de ;STKEND ...SpecBAS 0.759 Now available!Hi all - Another round of bugfixes and a couple (well, one) of new features! Go grab the latest from [url]http://www.specbas.co.uk/[/url] - linux a…
... , very nasty bug where a GOSUB after an ELSE would return ...Converting games to disk: difficult loadersThis thread has an spanish version in foro speccy, but I haven't gathered enough information to overcome my problems. I've been converting some game…
... , using a breakpoint, there is stack point located and the status ...Alex' Auditory ChallengeA small quiz. Can you guess from which game the sounds came from? [url=http://starspirals.net/_pub/zx/quiz1/1.mp3]1[/url] [[url=http://www.worldofsp…
... Tanx[/url]] [Guessed by Jumping Stack]
[url=http://starspirals ...Compiling Lisp to Z80.I am doing some thought experiments on this. Here is an example of a Lisp program. It adds two numbers together. [code] (define (add x y) (if (= …
... the two arguments off the stack:
[code]
ADD:
stack, and calls the add routine ... the correct result, onto the stack.
[code]
then:
Best ways to manage a TO-DO list?Hello you all, I have entered a period where I'll have lots of 'errants' to do, mostly paperwork related: collect some papers, make some copies, che…
... />
For example a plain stack of paper notes might work ...Game Of The Year 1991 (MULTIPLE CHOICE)[I]i'm doin' it![/I] forgotten votes: stack up +1 (def chris)
[I]i'm doin' it![/I]
forgotten votes:
stack up +1 (def chris)Spectranet firmware update: TAP file loading fixArchie Robins discovered a problem whereby interrups were being erroneously enabled on the return from a tape trap (that is, when TAP files are being…
... that was pushed onto the stack by the NMI getting triggered ...
