-
Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... beeps using a machine code routine which steps through $4000 - $7FFF ... -
Read Data from memoryHi there. Not been on this scene for a long time. Does anyone know how to do a routine to read data from memory(peek..etc) rather than using lines of…
... know how to do a routine to read data from memory ... basic...
My normal routine is this
10 ... -
LOADing 128k's worth of data???Just getting to grips with the concept of the 128's 'bank switching' set up, but how can you load the stuff into memory from tape (or TAP file)? Do…
... a memory bank with a routine?
From what I ... -
Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…
... scarce to 'isolate' the loading routine. Only recently I was able ... /> [CODE]
; Biturbo 1 loading routine
; by Giovanni "G.B ... /> [CODE]
; Biturbo 2 loading routine
; by Giovanni "G.B ... -
Xark does not loadXark does not load on many emulators (e.g. Klive, Fuse, FBZX Wii) both with speed load routine and normal mode. [url]http://www.worldofspectrum.org/…
SkoolKit 4.0SkoolKit 4.0 has been released. SkoolKit is a set of command line utilities for disassembling Spectrum software, into ASM format or into a bunch of …
... or Z80
[*]automatically label routine entry points
[*]automatically annotate ... every routine entry point with a list ...bitmap vs tile based displayIf I understand it correctly the ZX Spectrum display is all about bitmap. On the other hand the Commodore 64 is not. Correct me if I am wrong. If I …
If I understand it correctly the ZX Spectrum display is all about bitmap. On the other hand the Commodore 64 is not. Correct me if I am wrong.
If I had to compare the two, then I would say ZX Spectrum approach is way more flexible and perhaps ...Fuse bug? Strange T state countingI was testing delay routine presented [URL="http://www.worldofspectrum.org/forums/showthread.php?p=214851"]here[/URL]. I'm reproducing its listing: …
I was testing delay routine presented [URL="http://www. ...
[CODE]; Z80 delay routine
; by Jan Bobrowski, license ... contains Jan Bobrowski's DELAY routine) and executing in Fuse emulador ... when I execute the DELAY routine.
Is it ...FZX ScrollI wrote a routine to scroll message in ZX Spectrum screen, using [URL="http://www.worldofspectrum.org/forums/showthread.php?t=44088"]FZX[/URL] fonts.…
I wrote a routine to scroll message in ZX ... stand-alone program, but a routine that can be included in ... [/URL]. One can see the routine in action.
One ...Ishido way of the stonesFollowing a thread in GAMES where I asked if there were any versions of ISHIDO WAY OF THE STONES on Speccy - or anything similar... it would seem the…
... Atari Lynx.
A nice tile based, static screen puzzler - similar ... mystic feel with choice of tile set would be good.
Single shot type affair (i.e. not rapid fire)I'm struggling with this 'fire' routine... [CODE]ld a,239 in a, (254) and 1 call z,stinger[/CODE] I'm only wanting the one 'shot' so to speak but …
... 'm struggling with this 'fire' routine...
[CODE]ld a ... rapidly.
The 'stinger' routine basically prints the main character ...Repton ManiaHi all, I am the creator, and look after, the Repton Resource Page ([url]www.reptonresourcepage.co.uk[/url]). For the site, I have written a freely …
... out (I wrote a small routine to do this and produce ...Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... ! Does anyone have a MC routine that does the same as ...Lesser Known Gaming GemsI was thinking the other day about really good games that nobody else had seemed to a heard of. On my PSP there was a great Mini Game called 'Wher…
... tiles and going from one tile to another would take you ... shoulder button to move the tile to get to a different ...analysing program variable usageIf I wanted to count the number of times each variable is referenced while a program is running (not the number of times each variable is referenced …
... already has an error trap routine anyway), count the reference and ...Problem Reading the KeyboardHi Folks, I'm working my way through Toni Baker's rather good book and thought I'd write some code to scan the keyboard and store the results so tha…
... /> Simon
[code]
;Routine to scan the keyboard and ...Can anyone explain this result?This little sub-routine isn't always doing what it's supposed to; ie. transfer the value from SEED to VARS. Can anyone explain why? I've put in the P…
This little sub-routine isn't always doing what ...Decimal to Binary stringHi all, Anyone got a less labour intensive BASIC routine than this? Example:- take 170 and convert to a string "10101010" take 4 and convert to a s…
... a less labour intensive BASIC routine than this?
Example ...1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…
... have a tiny m/code routine to bitwise ADD decimal numbers ... I would use the same routine so I could split my ... DAC......but the m/code routine max integer is 65535......aaarrgghhh ... look at a m/code routine capable of handling much bigger ...Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... />
To the software, the routine to display a character, given ... this C64 arrangement makes the routine to calculate the screen address ... one character with the first routine, the value in DE already ...ZX-Paintbrush new feature requestI would find a .tile file format very useful, basically like a .btile or .ctile but with the data arranged for normal Speccy attributes So it would …
I would find a .tile file format very useful, basically ...Playing SID Files... :oS SID File player... Anyone else noticed this in the CPC world?... [url]http://www.cpcwiki.eu/index.php/Sid[/url] On that webpage is a CPC program…
... 't fast enough, maybe the routine could be adapted to preprocess ...Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
... be reused by a ?live? tile. I also have a function ...Help needed with a bit of code...My minds gone blank again I'm afraid, I'm having trouble with this routine that loads variables into memory then calls the corresponding routine. Th…
... m having trouble with this routine that loads variables into memory ... then calls the corresponding routine.
Theres 3 ... br /> caller
call 56003 ;routine to be called
pop ... 12,14,6 ;variables for routine 3 bytes prior to start ...LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…
... have written the following MC routine that fits into a REM ... the ROM's LOAD "" CODE routine, nothing fancy headerless loaders, just ... colours.
call 3503 ; ROM routine - clears screen, opens chan 2 ...Ensure my interrupt handler begins at the same T-stateHi! Is there a way to ensure that an IM 2 interrupt handler starts always at the same T-state (related to the moment the ULA triggers the INT line, w…
... far, I've made my routine to last a number of ... get by now is my routine starting at cycle 19,20 ...Pixel level collision detection[SIZE=3][FONT=Calibri]I need to do some pixel level collision detection. Assuming I have a byte of my ?player? sprite in DE and a byte of screen to t…
... the player and a ?bad? tile are close so this test ...XPECCY (Lin/Win)im not author of this emulator. Contacts of author you may take on [URL]http://xpeccy.info[/URL] - non official home page. cpu: Z80: all (un)docume…
... /> autoplay ? access basic48К routine;
fastplay ? basic 48K routine only (for unstandart ... routine use maximal-speed mode ...NMI doesn't work on a DiscipleI've had quite a couple of Disciple interfaces in my hands, and currently I'm testing one. Everything works, except the NMI routine: when GDOS is lo…
... /> Everything works, except the NMI routine: when GDOS is loaded and ...
