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  • My favourite games!Alchemist, Antiriade, AticAtac, Blob The Cop, Bomb Jack 1-2, Booty, Boulder Dash 1-6, Bride Of Frankenstein, Bruce Lee, Buratino, Custard Kid, Dan Da…

    ... /> STARION
    DUN DARACH
    BC BILL
    PING PONG
    chaosmongers chaosmongers June 2003 Games
  • 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…

    You can't - obviously - there's no room in BC to do so. I am not familar with that routine but I'm guessing it starts from the last point plotted - in which case if you want to go backwards you should plot at the end of your line first.
    cyborg cyborg July 2003 Sinclair Miscellaneous
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    ... shifted graphics loaded into registers BC, DE and HL; and SP ... scanline at turbo speed: "push bc; push de" will draw 32 ...
    windenNTW windenNTW July 2003 Games
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    ... this, anyhow :)

    pop bc
    ld l,c
    Alcoholics Anonymous Alcoholics Anonymous July 2003 Games
  • Manic Miner - Different Tape InlaysSo why did bug byte have two different inlays for MM? [ This Message was edited by: mlasham on 2003-07-28 12:38 ]

    ... Cruiser was Silver and another (BC Bill? Pedro?) was Bronze) were ...
    Derek Glen Derek Glen July 2003 Games
  • Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…

    ... , table line start
    ld bc, 6144

    next_line: pop ...
    Fikee Fikee July 2003 Games
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    Here's the Lenslok proggy I chose...
    It's TT RACER but I'd imagine the following could be applied to all Lenslok games...


    =====================
    TT RACER AND LENSLOK
    =====================

    Ok, So the ...
    BadBeard BadBeard August 2003 Sinclair Miscellaneous
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ... AF
    EA23 C5 PUSH BC
    EA24 E5 PUSH HL ... HL
    EA41 C1 POP BC
    EA42 F1 POP AF ...
    BadBeard BadBeard August 2003 Sinclair Miscellaneous
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …

    But if port 32765 could be read then it'd be:

    LD BC,32765
    IN A,(C)

    OR,

    LD A,#7F
    IN A,(#FD)


    [ This Message was edited by: Woody on 2003-08-17 18:16 ]
    Woody Woody August 2003 Sinclair Basic
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …

    ... into 23388
    LD BC,32765 ;Set BC to 32765 for write ...
    trellis trellis August 2003 Sinclair Basic
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …

    ...

    DI
    LD BC,32765
    LD HL,49152 ...
    Woody Woody August 2003 Sinclair Basic
  • What games would you like to see converted to the speccy?What games would you like to see converted to the speccy?

    Snow Bros
    Prehistorik
    Toki
    Menace
    Blood Money
    BC kid
    Anestis Anestis September 2003 Games
  • Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…

    ... /> ld (hl),$f1
    ld bc,257-1
    ldir
    push af
    push bc
    push de
    push ...
    pop de
    pop bc
    pop af
    ei ...
    Alcoholics Anonymous Alcoholics Anonymous September 2003 Development
  • need help in codingI have an address in HL, which I must save in memory buffer (for example at address buff1) with shift (for example taken from memory address shft1). …

    ... C,A
    ADD HL,BC
    LD (HL),E
    Woody Woody September 2003 Games
  • need help in codingI have an address in HL, which I must save in memory buffer (for example at address buff1) with shift (for example taken from memory address shft1). …

    ... /> EX DE,HL
    LD BC,ADDRESS1
    LD HL,(BUFF1 ... H,0
    ADD HL,BC
    LD (HL),E
    Dr BEEP Dr BEEP September 2003 Games
  • help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …

    ... in CHFLIP the ADD HL,BC could be replaced by INC ...
    Geoff Geoff October 2003 Development
  • "Spectrum" by Billy CobhamI've just finished listening to [I]Spectrum[/I] by Billy Cobham. And what a great record it is! I would recommend it especially to those among you wh…

    ... fellow musicians, mostly taken from BC's latest record, aptly titled ...
    Alessandro Grussu Alessandro Grussu October 2003 Sinclair Miscellaneous
  • Tough paging questionOK... Take this: 1. We have a program compiled and run from within GENS under a Pentagon 128K environment. 2. The program works perfectly. 3. We sav…

    ... do the old:
    LD BC,#7FFD
    OUT (C),A ...
    Jon Needle Jon Needle November 2003 Development
  • Tough paging questionOK... Take this: 1. We have a program compiled and run from within GENS under a Pentagon 128K environment. 2. The program works perfectly. 3. We sav…

    ... prefer ye goode olde LD BC, #7FFD; OUT (C),A :)
    GOC GOC November 2003 Development
  • Tough paging questionOK... Take this: 1. We have a program compiled and run from within GENS under a Pentagon 128K environment. 2. The program works perfectly. 3. We sav…

    ... prefer ye goode olde LD BC, #7FFD; OUT (C),A :)
    Jon Needle Jon Needle November 2003 Development
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... ,l
    dec bc
    dec bc
    dec bc ; bc = 40000 = start of ...

    .convert
    ld bc,$030f ; b = 3 decimal digits ...
    Alcoholics Anonymous Alcoholics Anonymous November 2003 Development
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ...

    .convert
    ld bc,$0300 ; 3 decimal digits, c ...
    Alcoholics Anonymous Alcoholics Anonymous November 2003 Development
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ...

    .convert
    ld bc,$030f ; b = 3 decimal digits ...
    Alcoholics Anonymous Alcoholics Anonymous November 2003 Development
  • AssemblageCan any of you marvellous programmers out there recommend a Speccy assembler that even a complete dunce could use? At the risk of sounding thick, as…

    ... should be.[/quote]

    BC is a 16bit register. 99 ... only one byte. The ld bc, instruction expects two. Hence it ... />
    B=0, C=99, BC=99

    Bytes are ...
    cyborg cyborg November 2003 Sinclair Miscellaneous
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... different

    START LD BC,#0330 ;XX11 3 times, ASCII ...
    Metalbrain Metalbrain November 2003 Development
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... LD HL,STORE
    LD BC,#FFFF ; b = -1 , c =-1 ...
    Dr BEEP Dr BEEP November 2003 Development
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... #30 is simple by making BC point to #2F2F and add ...
    Dr BEEP Dr BEEP November 2003 Development
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... LD HL,STORE
    LD BC,#2F2F ; b = -1+#30 , c ...
    Dr BEEP Dr BEEP November 2003 Development
  • Another Free Ebay Day ;- Link to 300+ ?1.50 all in[url="http://cgi6.ebay.co.uk/ws/eBayISAPI.dll?ViewListedItems&userid=cornishdavey&include=0&since=-1&sort=2&rows=200&rdir=0"]http://cgi6.ebay.co.uk/w…

    ...
    Arkanoid
    Athena
    BC Bill
    Coin Ops Hits ...
    Cornishdavey:)) Cornishdavey:)) January 2004 Sales
  • Most controversial game ever...?The most controvertial game that I can personally think of would have to be 'Raid Over Moscow'. You play as the leader of a squadron of US planes and…

    ... back to your cave? Ugh, BC Bill, or something?

    Blunderbuss Blunderbuss January 2004 Games
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    Renegade on April 21
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