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<1…9101112131415>
  • Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…

    ... no guarantee that the upper mem chips are OK.
    Nevertheless ... store a value in upper mem, then you just need a ...
    roko roko October 2013 Hardware
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... )
    fst 0 ; i to mem-0
    fsub ; d, p ... calc
    ld hl, membot ; mem-0-1st
    ld a ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> ld (hl), a ; store in mem-4
    dec hl ; point ... /> jr nz, pf_bytes ; loop until mem-4 done
    djnz pf_bits ... br /> ld de, mem_3 ; destination mem-3
    ld hl, mem_4 ... rld ; discard high nibble of mem-4
    ld c, 255 ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ...
    fst 0 ; store in mem-0
    fdel ; remove from ...
    fgt 0 ; get from mem-0
    fstk10 ; x, 10 ...
    fst 0 ; store in mem-0
    fdiv ; divide by ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... x80_fgt:
    ld hl, (mem) ; get pointer to memory area ... DE
    ld hl, (mem) ; pointer to memory area ...
    fst 2 ; 0 mem-2 holds 0

    fst 1 ; mem-1 holds b(r - 1 ... r)
    fst 2 ; mem-2 holds b(r)
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... br /> fst 1 ; n, m mem-1 = m
    fdel ; ... , m, int (n/m) mem-1 = int (n/m)
    mem-0 = i (x)
    ... br /> fst 3 ; y, n mem-3 = n
    fsub ; ... 1/0)
    fst 0 ; mem-0 = test result
    ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ...
    fst 0 ; store in mem-0
    fce ; exit calculator ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... fst 0 ; store step in mem-0
    fdel ; remove ... variable
    ld (mem), hl ; contents of mem to HL
    ... ; skip name
    ld (mem), hl ; variable address to temporary ... done
    ld hl, (mem) ; address least significant byte
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... ; store 2 * pi in mem-5
    fdel ; x, ... z * sin(pi/A) to mem-2
    fxch ; x, ... /> fst 0 ; z to mem-0
    fdel ; x, ... /> fst 0 ; sa to mem-0
    fxch ; sa, ... /> fst 1 ; 0 to mem-1
    fdel ; sa, ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> fst 0 ; x0 to mem-0
    fadd ; y ... /> fst 5 ; y0 to mem-5
    fadd ; x ... /> fst 2 ; vn to mem-2
    fdel ; x ... /> fst 0 ; yn to mem-0
    fdel ; x ... fst 0 ; yn + 1 to mem-0
    fxch ; x ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... variable
    ld (mem), hl ; store it in mem
    pop hl ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> fst 1 ; store step in mem-1
    fdel ; remove it ... /> fst 0 ; store start in mem-0
    fdel ; remove it ...
    chev chev October 2013 Development
  • Retro N5Any one has one of those? thinking about getting one for christmas... Also, does it only work with cartriges, or does it have a USB port?

    ... ..ended up formatting the internal mem!

    the stock emulators ...
    fog fog December 2013 Chit chat
  • Retro N5Any one has one of those? thinking about getting one for christmas... Also, does it only work with cartriges, or does it have a USB port?

    ... ..ended up formatting the internal mem!

    the stock emulators ...
    VanTammen VanTammen December 2013 Chit chat
  • Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …

    ... counter EQU 15872 ;some 'free' mem addr
    ;-------
    ... br /> depart1 EQU $ ;real mem pos of code now
    roko roko December 2013 Hardware
  • Which Emulator supports Betadisk48?Hi out there and happy new year, I'm looking for an emulator to run with my vision1.7 trdos-rom in 48 mode. Unfortunately most emus only support Bet…

    ... most emus only support Betadisk128 (mem window 3D00..3DFF),
    but ... I need mem win 3C00..3CFF, to be ...
    Fred Fred January 2014 Emulators
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ... where there is too little mem remaining for basic.

    Speccy_James Speccy_James January 2014 Development
  • danish piratesHi guys! In early days of spectrum games they were cracked by danish pirates. Does anyone know how the turbo loader save mode was made? -sandman & …

    ... ROM save routine in upper mem.
    Sokurah Sokurah March 2014 Games
  • "Spellbox" and other rare stuff on ibejHi, I started to sell Speccy software last week. Lot of rare stuff collected over years for sale. [URL]http://www.ebay.at/sch/misutakurashiku/m.html?…

    ... .
    These Titles: Individual Software: MEM-DIS. and Quicksave. ISO COPY ...
    LCD LCD March 2014 Sales
  • danish piratesHi guys! In early days of spectrum games they were cracked by danish pirates. Does anyone know how the turbo loader save mode was made? -sandman & …

    ... ROM save routine in upper mem.[/QUOTE]

    When I ...
    Frankie Frankie March 2014 Games
  • JP (HL) confusionokay.... JP nn will jump to memory address nn. JP (HL) ,I assumed would read the contents of memory address HL and jump to the location and be a gre…

    ...
    ADD hl,de ;hl = mem location of low-byte of ...
    LuMan LuMan March 2014 Development
  • Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]

    ... been repaired (some upper/lower mem chips, great bloke called roy ...
    BarryB BarryB April 2014 Chit chat
  • Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?

    [QUOTE=dmsmith;770580]I couldn't figure how to post it here in a code box...[/quote]

    Allow me.

    [code]THE 'REDUCE ARGUMENT' SUBROUTINE (Offset 35: 'get-argt.')

    This subroutine transforms the argument X of SIN X or COS ...
    chev chev May 2014 Development
  • Fire n' Ice, is it possible to convert it tp tap. or tzx?Wathching a little bit the video from this game in rzxarchive, and it is really outstanding. So I was wondering if its possible to make the trd file …

    ... 'll have another look, but mem is quite tight on it....
    nuggetreggae nuggetreggae June 2014 Games
  • Spectrum items for saleI have many Spectrum items like Spectrum, Spectrum +, power adapters, Centronics Interface, Kempston Interface, Light Pen Interface(these are built b…

    ... 2000
    10.Several 4164 Mem Chips
    11.Several 41256 ... Mem Chips
    12.1 PCF1306 ( ...
    techiecal techiecal August 2014 Sales
  • anteater - new beeper engineJust letting y'all know about a little project I did yesterday, called "Write a beeper engine in 1 day". [url=irrlichtproject.de/downloads/anteater.…

    Whoops! Thank you very much for pointing out these issues. Somehow it never occured to me that the stack would be in slow mem. I'll upload a fixed version with internal stack space soon.
    utz utz August 2014 Brand new software
  • The Adv. Game I'm Ridiculously Trying To Play Part 1Ok, from now on from time to time I will start playing some adventure games and I will keep a "journal" in the forum about my progression, or, more p…

    ... /> GET UP

    INS MEM

    GET SPA
    Timmy Timmy September 2014 Games
  • It's a Pixel THING - recent retrogaming Youtube channelHi, guys! I've recently started my own YouTube channel "[B]It's a Pixel THING[/B]" where I do weekly videos about retrogaming (Spectrum, Amiga, DOS)…

    ... ! Obrigado pelo apoio e pelas mem?rias!! :smile:
    PixelTHING PixelTHING October 2014 Announcements
  • Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…

    ... a complete list[/B]
    MEM - display free memory
    CLEAR ...
    jp jp October 2014 Announcements
  • Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…

    ... : LDIR+TYPE1[/B]
    13: MEM BLANK
    [B]14: LDDR ...
    jp jp November 2014 Announcements
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