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<1234567…34>
  • Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…

    ... is pushed onto a stack before a snapshot is ... is possible that the stack is full when an emulator ... storing PC on the stack sometimes overwrites a graphics ... and pushing PC onto a stack, my emulator copies the ... program counter from the stack and then it copies ...
    Anonymous Anonymous October 2002 Emulators
  • Stack Up - level 13: anyone want a challenge?okay I swear this level is not humanly possible. if anyone doesn't know Stack-Up it's a simple Tetris type game - match 3 blocks of the same colour i…

    ... . if anyone doesn't know Stack-Up it's a simple ...
    def chris def chris September 2007 Games
  • Questions about registers, stack, etc.I was told that if I wanted to export code and create unprotected versions of games I should do the following: 1-Find the starting address by using …

    ... -Make a note of registers/stack
    5-Create a small ...
    zxbruno zxbruno January 2009 Sinclair Miscellaneous
  • Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…

    ... /> I'm currently studying the stack and wrote the little program ... memory viewer to inspect the stack contents and pointer location.
    stack being essentially a stack (duh!) of 16 ...
    rahtgaz rahtgaz January 2009 Development
  • Locating the GOSUB stackI was wondering if someone could explain how to locate the dividing line between the GOSUB stack and the machine stack. Looking at the GOSUB routine …

    ... line between the GOSUB stack and the machine stack. Looking at the ... make entries on the GOSUB stack, but I can't see ...
    Battle Bunny Battle Bunny May 2011 Development
  • tiny routine to shift RAMTOP & stackCompressing some data areas above RAMTOP and wanting to make the released space available for BASIC arrays, I needed to move RAMTOP without using CLE…

    ... still reference the m/c stack at the old location, so ... are preserved, but the GOSUB stack still gets reset, as it ... enhanced to preserve the GOSUB stack as well, but then it ...
    Battle Bunny Battle Bunny November 2011 Sinclair Basic
  • recovering the stack after an errorMy normal error handler starts with the stack as reset by LD SP,(ERR_SP) in $0053 ERROR_2, sets up some stuff and returns to BASIC via a "JP C,$1e73 …

    ... error handler starts with the stack as reset by LD SP ... , I search back through the stack to find the error code ... $0058 and my routine the stack history gets overwritten by the ... SP,(ERR_SP) to protect the stack until I've dealt with ...
    Battle Bunny Battle Bunny October 2012 Development
  • Game of 1992 and stack upReally enjoyed stack up - Rodland is pretty, but I could not work out how to smash the baddies once I'd got all the flowers! So, is there a game of …

    Really enjoyed stack up - Rodland is pretty, but I could not work out how to smash the baddies once I'd got all the flowers!

    So, is there a game of 1992? Who would have been making them then - and who would have been buying!?
    mickmog mickmog January 2013 Games
  • Stack 100 Light Pen "not available for the Spectrum"I notice that WoS has the "Stack 100 Light Pen" in the archive, but according to the companies own advert, it is not available for the Spectrum: [ur…

    ... notice that WoS has the "Stack 100 Light Pen" in the ... out because I have a Stack 100 Light Pen, and it ...
    spec-e spec-e May 2013 Infoseek database
  • Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…

    ... assembled from 24000 mark. The stack shouldn't get very big ...
    Morkin Morkin July 2013 Development
  • Help me with this Stack overflow Freak Show.I am asking a simple question on Stack overflow and once again, the closed minded morons a pointing and tutting. I'm asking a question about C point…

    ... asking a simple question on Stack overflow and once again, the ...
    Scottie_uk Scottie_uk January 2014 Chit chat
  • Using the stack to blit bufferI was using a ldir to blit my back buffer to the screen RAM, and it was working pretty well if not rather slow. After reading about using the stack …

    ... /> After reading about using the stack to push and pop stuff ...
    Atari_Jetman Atari_Jetman February 2014 Development
  • I think my stack is in the wrong placeHi Im using SDCC and my game crashes for no apparent reason in the compilation arguments I put --stack-loc 60000 but im printing SP to the screen and…

    ... the compilation arguments I put --stack-loc 60000
    but im ... is the location of the stack right?

    I want ... a way of getting the stack location using an emulator?
    slenkar slenkar February 2015 Development
  • Reverse engineering "Stack Light Rifle"Hello I would like to reverse engineer the electronics inside the connector in the "Stack Light Rifle" to build adapters which can be used with mo…

    ... inside the connector in the "Stack Light Rifle" to build adapters ...
    Boojakascha Boojakascha June 2017 Hardware Preservation
  • A picture of me and my Spectrum circa 1984 8o)<a href="http://www.fotango.com/p/eba00132841f00000010.jpg From" target="_blank">[url]http://www.fotango.com/p/eba00132841f00000010.jpg[/url] From<…

    ... /> From left to right;
    Stack of sinclair users in drawer ...
    thx1138 thx1138 December 2001 Games
  • Internet enabled SpectrumHi, I'm sure this isn't new but I plan to make an Internet-enabled Speccy capable of serving up pages using a TCP/IP hardware stack (I just did this…

    ... using a TCP/IP hardware stack (I just did this very ...
    Dan Dan May 2001 Sales
  • Emulation and Debugging functionality[Cut n Paste from the original CSS post] Hi all, I'm currently working on SPIN's debugger, which is coming along nicely. Mostly, it's been devel…

    ...
    Registers/Tstates display
    Stack contents list
    Ports (last ...
    Dunny Dunny June 2002 Emulators
  • Spectrum edge connectors and 'Dataman Softy S4'Hi, I moved this from the sales thread because it seems more appropriate...anyway... I was twerping around the idea of turning a Spectrum into a we…

    ... to run my TCP/IP stack/web server code.

    Dan Dan November 2002 Sinclair Miscellaneous
  • ++off-topic++ Anyone else bought one of those 8-bit 'retro' consoles advertised on cable tv?tvOver christmas I was bored, and found myslef flicking through all the cable channels on NTL. They change the package so often, i have all but given u…

    ...

    and a whole stack of other games (some which ...
    thx1138 thx1138 January 2003 Sinclair Miscellaneous
  • Contiki for specturm?Just came across this on the internet today, anybody going to a spectrum port? (Can't let the C64 have it all its own way...) [url="http://dunkels.c…

    ... -saver.

    TCP/IP stack for Internet networking, either with ...
    smogit smogit March 2003 Sinclair Miscellaneous
  • URGENT programming question !I've gotta draw a line from machine code using the standard routine at 24B7, which expects the delta-X and delta-Y values on the BASIC stack. I put t…

    ... -Y values on the BASIC stack. I put these values in ... the stack by calling 2D2B (BC -> ... ; BASIC stack). However, it seems that this ... negative BC on the BASIC stack ?
    GOC GOC July 2003 Sinclair Miscellaneous
  • Retro Remakes competition results... I won 3rd place... woop woop!1st Place - SWIV - coded in Delphi with some game lib. 2nd Place - R-Tronic - created in MultiMedia Fusion (I think). 3rd Place - Impossaball - cre…

    ... and got everyone a whole stack of new games to play ... learning exercise. I tried a stack of times to get my ...
    caffeinekid caffeinekid September 2003 Games
  • Zblast SD+Interesting compilation, with some nice little games. I'll echo what has been said before, in that I am amazed that the title game is done in 4K. It'…

    ... what a shame about scrolly stack. This is basically a cover ...
    Spector Spector January 2004 Games
  • Deduggers in emulatorsI've used several emulators with build-in debuggers, and now I want to share my opinion. Debugger in Spectaculator 6.0 is great! The interface is nic…

    ... usefull I/O ports and stack info.

    I think ...
    kmatveev kmatveev February 2004 Emulators
  • TCP/IP for the SpeccyI found this website.(in italian) [url="http://zxspectrum.hal.varese.it/dituttounpo.htm"]http://zxspectrum.hal.varese.it/dituttounpo.htm[/url] [url=…

    ... it is a TCP/IP stack for the Speccy
    Anestis Anestis March 2004 Sinclair Miscellaneous
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... PC is placed on the stack.

    What happens next ... byte of PC onto the stack and decrement SP again.
    stack and to set PC to ... byte of PC to the stack and decrement SP.
    * ... byte of PC to the stack and decrement SP.
    * ...
    Philip Kendall Philip Kendall July 2004 Development
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... 's I have used the Stack, and Popped the values from ...
    robpearmain robpearmain September 2004 Development
  • Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…

    ... /> LD (SPMOD+1),SP ;preserve stack pointer


    SCRMODA ... /> SPMOD LD SP,0 ;restore stack pointer

    EI
    dmsmith dmsmith September 2004 Development
  • Cobra - scrollingHi everyone, I have been studying some of the code in Ocean' Cobra game using a debugger, in the hope of improving my own scrolling routines. In cas…

    ... onto the screen using the stack. The one drawback to this ...
    dmsmith dmsmith October 2004 Development
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Related Threads

  • Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…
  • Stack Up - level 13: anyone want a challenge?okay I swear this level is not humanly possible. if anyone doesn't know Stack-Up it's a simple Tetris type game - match 3 blocks of the same colour i…
  • Scrolly StackDoes this game have an ending? I have been playing for more than 15 minutes but it seems it doesnt have...
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  • Questions about registers, stack, etc.I was told that if I wanted to export code and create unprotected versions of games I should do the following:<br /> <br /> 1-Find the starting addre…
  • Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone.<br /> <br /> I'm currently studying the stack and wrote t…
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