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<1…18192021222324…34>
  • Question about DivIDEHi guys, Tell me this... (please) DivIDE features an "auto-mapping feature transparently maps shadow ROM at important entry points". Depending on …

    ... the IM 1 address, a variable assignment (if you were to ...
    BloodBaz BloodBaz June 2011 Hardware
  • 80s chart dance mixesPart 3 to come some time when I get the chance to record it. I've been planning these for 18 months and almost given up, but having put all the recor…

    ... Stansfield - People Hold On (Full Length Disco Mix)
    13 Black ...
    mulder mulder August 2011 Chit chat
  • automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …

    ... to save SP to a variable location, either to a register ...
    Battle Bunny Battle Bunny August 2011 Development
  • 128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…

    ... +n" (being the BANK_M system variable) will switch in page 'n ...
    Battle Bunny Battle Bunny August 2011 Sinclair Basic
  • Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…

    ... )
    ;> B IS LENGTH
    ;> HL IS ... ;(DELAY)
    ;> B IS LENGTH
    ;*********************************
    DELAY
    DEL ... $07 ;LOAD B WITH ADDRESS LENGTH
    PUSH HL ;REMEMBER ... $06 ;LOAD B WITH DEVICE LENGTH
    LD HL, 1538 ; ...
    Robin Robin August 2011 Announcements
  • checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…

    ... , input base, output base, output length. The space assigned is only ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • Sys64 - bug foundI've found experimentally on real ZX Spectrum and on emulator that [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0008823"]Ron Seniscal's SYS…

    ... being calculated from CHANS system variable. This way, the ROM of ...
    mattsteel mattsteel September 2011 Sinclair Miscellaneous
  • Structure of numeric arraysHi all, I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get …

    Hi all,

    I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get the data out of it.

    Looking at various bits of documentation, I can determine the ...
    jagman5994 jagman5994 September 2011 Development
  • saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …

    Here's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to be combined or merged into other programs. It's sort of a slow version of copy & paste. The two line ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • Lord Of The Rings; Files skipped ?Hi folks, Does anyone know what blocks 8~13 are for in the Lord of The Rings: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006601[/url] I…

    ... 0.993s
    3- 40: -------------------- Length: 38 Normal Speed ,Pause: 1 ... .988s
    5- 83: -------------------- Length: 258 Normal Speed ,Pause: 2 ... .991s
    7- 1A2: -------------------- Length: 6914 Normal Speed ,Pause: 2 ...
    Andrew Barker Andrew Barker October 2011 MIA/STP/SDP
  • AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…

    ... /> call EX1NUM ;stack 1st variable
    pop af ;A ... /> call EX1NUM ;stack 2nd variable
    call FPTOBC ;C ... call FPTOA ;A =1st variable
    pop bc ;C ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • 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…

    ... released space available for BASIC arrays, I needed to move RAMTOP ...
    Battle Bunny Battle Bunny November 2011 Sinclair Basic
  • Distinguishing between models?I'm running the risk of being pointed to the faq here, so sorry in advance. Something I'm trying out requires that the program can distinguish betwe…

    ... whether there is a paging variable, or the differences in some ...
    R-Tape R-Tape November 2011 Development
  • +3 file list showing header info ?What's the easiest way of getting a catalogue of a (non protected) +3 disk with the file start / length addresses ? :) I did think CAT EXP would do …

    ... disk with the file start / length addresses ? :)

    I did ... need to determine the start / length from the header and that ...
    spider spider November 2011 Sinclair Basic
  • AGES v.2 gamebook solverAll this talk of mazes has been leading up to the release of the latest (numbered 2, but more like 22) version of my gamebook solver programs, which …

    ... the descriptions of the conditions arrays, but at least there's ...
    Battle Bunny Battle Bunny November 2011 Announcements
  • Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…

    ... to tune by adjusting the variable resistors and capacitors without any ...
    maskenlos maskenlos December 2011 Hardware
  • opening Microdrive cartridgeI've been trying to replace the tiny 'sponge' with variable success. in two tiny tapes it worked but, iirc, they worked even with no sponge at all. I…

    ... replace the tiny 'sponge' with variable success. in two tiny tapes ...
    orange orange December 2011 Hardware
  • Invalid combination of operands and opcodesIt says the error in the title, why is this?? [CODE] ORG 0000 LD HL, 63000 ;LOAD HL WITH STACK LOCATION LD SP, HL ;SET STACK POINTER TO HL LD A, …

    ... , 3 ;LOAD B WITH LENGTH
    CALL ASCII ;PRINT ... 3 ;LOAD B WITH LENGTH
    CALL ASCII ;PRINT ... 4 ;LOAD B WITH LENGTH
    CALL ASCII ;PRINT ... 4 ;LOAD B WITH LENGTH
    CALL ASCII ;PRINT ... 4 ;LOAD B WITH LENGTH
    CALL ASCII ;PRINT ...
    Robin Robin December 2011 Sinclair Miscellaneous
  • problem with RND (or maybe INT)I'm using this statement: LET m=(INT (RND*sn)+k1)*k2-k1 to give a pointer m to a 2-byte segment of a string l$. Items k1 & k2 are integer constants…

    ... the string (ie. half the length of the string).

    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…

    ... /> };


    // Attach C Variable to data Declared in ASM ...
    Timmy Timmy January 2012 Development
  • storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…

    ... the PROG area, because the variable letter for a$() is encoded ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…

    ... hl) ;DE=1st line text length + ENTER
    inc ... replace 2nd line number & length bytes
    inc hl ; ... bc ;BC=2nd line text length + 4 + ENTER
    ... add hl,bc ;HL=joined length
    ex de,hl< ...
    Battle Bunny Battle Bunny February 2012 Sinclair Basic
  • more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…

    ... )-m(m,1): REM 'm' length
    70 RESTORE base+m ...
    Battle Bunny Battle Bunny February 2012 Sinclair Basic
  • Generating a constant of 2?Hi Folks, Through "The Wizard of WOS" I learnt that you can generate constants as follows: [B]NOT PI=0 SGN PI=1 INT PI=3[/B] Is there a quick way …

    ... />
    I could use a variable but I have 42 of ...
    Paddy Coleman Paddy Coleman February 2012 Sinclair Basic
  • Help needed with a loop counterVariable W counts to 12 then calls a subroutine to move a character, it then resets to zero and starts again. For every 2 moves of that character I …

    Variable W counts to 12 then ... to faff about with other variable counters.

    Currently it ... based on the current level variable S, but I cant think ...
    daveysludge daveysludge February 2012 Sinclair Basic
  • Pip The Pipistrelle[color=red]*COMING SOON*[/color] Pip The Pipistrelle I am going to put all the game details,instructions and story here now and simply update this t…

    ... am really sorry about the length of this.

    The ...
    jammajup jammajup March 2012 Brand new software
  • University ChallengeNearly two weeks ago Manchester University won the first University Challenge semi-final to get into the upcoming final against Pembroke College, Cam…

    ... are the values of the variable when the expression is equal ...
    Geoff Geoff March 2012 Chit chat
  • BIT/RES/SET b,r where b is variableWhat's the best way to use the bit flag group of commands if it's not known in advance which bit should be referenced; ie. where it's dependent upon …

    What's the best way to use the bit flag group of commands if it's not known in advance which bit should be referenced; ie. where it's dependent upon a condition which varies during the program? As the bit number has to be explicitly coded in assembler the ...
    Battle Bunny Battle Bunny March 2012 Development
  • You Tube video problemsHi Peeps I have made a complete speccy gameplay video of pip the pipistrelle for youtube and have encountered a problem,the video is uploading twice …

    ... uploading twice the size in length because the video is being ... is fine at the original length but in Quicktime player it ... also doubles in length!.
    I was wandering if ...
    jammajup jammajup March 2012 Chit chat
<1…18192021222324…34>

Latest Posts

  • Minor British Sports that did become games on the ZX Spectrum
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  • I bought an accoustic guitar. How do you play it?
    Maroc's Other Projection on 9:55PM
  • Goodbye Z80
    moggy on 9:07PM
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
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  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21

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