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<1…18192021222324…34>
  • ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…

    ... /> LD DE,16384
    LD BC,6912
    LDIR
    RET ...
    Dunny Dunny August 2005 Emulators
  • screen$I'm wanting to create a game which is written mostly is Basic, due to lack of MC skills but i need a MC routine if someone would kindly supply it I…

    I'm not sure 23296 is the right address for your screen 1 as it would overwrite your BASIC. But whatever address you use, you need just this:

    [code]
    ld hl,ScreenAddr
    ld de,16384
    ld bc,6912
    ldir
    ret
    [/code]
    baze baze August 2005 Development
  • screen$I'm wanting to create a game which is written mostly is Basic, due to lack of MC skills but i need a MC routine if someone would kindly supply it I…

    [code]
    Screen to memory

    ld hl,16384
    ld de,32768
    ld bc,6912
    ldir
    ret

    Memory to screen

    ld hl,32768
    ld de,16384
    ld bc,6912
    ldir
    ret
    [/code]
    Dr BEEP Dr BEEP August 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... hl
    ld b,(hl) ; bc = colours
    ex de,hl ... af,af
    ld a,(bc) ; get clr from clr block ...
    inc bc
    ld (de),a ; write ...
    Alcoholics Anonymous Alcoholics Anonymous September 2005 Development
  • What is your favourite game tune/music on a Spectrum game?In the 128k version of Renegade 3: The Final Chapter, remember the music that played on level 2 (the Egyptian Zone)? That was such a class tune that …

    Robocop and BC Bill are the 2 tunes that I remember most fondly.
    Bermondsey Bob Bermondsey Bob September 2005 Games
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... finds problems with some "ex bc, bc'" instructions and the like (maybe ...
    na_th_an na_th_an October 2005 Development
  • IDE harddisk emulation usageNot 'howto' question :) I'm curious about how many people tried it. It exists in Spin, Fuse & RealSpec - in last is most interface supported. 8-bit …

    ... /> ld hl,sector_buffer
    ld bc,#10a3
    unrolled_loop: ini
    zilog zilog October 2005 Emulators
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... finds problems with some "ex bc, bc'" instructions and the like (maybe ...
    Alcoholics Anonymous Alcoholics Anonymous October 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ...
    ;## Destroy : AF, BC, DE, HL, AF', BC', DE', HL'

    BC, HL, y DE, estan lo ... los registros
    ; dobles, AF', BC', DE' y HL'. No hay ...
    push de
    push bc
    push af

    na_th_an na_th_an October 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... (bit mask)
    ; uses : af, bc, de, hl, b', de', hl ... ,0
    add hl,bc
    add hl,bc ; hl = &encoder ...
    Alcoholics Anonymous Alcoholics Anonymous October 2005 Development
  • Emuzwin / Spin AssemblerHello lads. Wondering if anyone can help. I've decided to look into playing about with some code using the Emuzwin or Spin built-in assembler. Are th…

    ... /> ORG 60000

    LD BC,99
    RET

    BC register is holding. So entering ...
    dmsmith dmsmith October 2005 Development
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    ... />
    ZTX231 - there is a BC equivalent of this, the BC231 ...
    Lloyd Lloyd October 2005 Sinclair Miscellaneous
  • SAVE the complete screen in BASICHow can I save the COMPLETE screen (with the last two lines) in BASIC? If I type SAVE "XXXX" SCREEN$, then comes the message "Start tape, ..." and th…

    ... /> LF HL 16384
    LD BC 6912
    LDIR
    RET ... BASIC program. The routine copies BC (6912) bytes FROM DE (16384 ...
    Lloyd Lloyd October 2005 Sinclair Basic
  • SAVE the complete screen in BASICHow can I save the COMPLETE screen (with the last two lines) in BASIC? If I type SAVE "XXXX" SCREEN$, then comes the message "Start tape, ..." and th…

    ... /> LF HL 16384
    LD BC 6912
    LDIR
    RET ... BASIC program. The routine copies BC (6912) bytes FROM DE (16384 ...
    Dunny Dunny October 2005 Sinclair Basic
  • Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.

    ... performing a tight loop incrementing BC, until the accumulator was changed ...
    icabod icabod October 2005 Emulators
  • Switch to 48mode without 'SPECTRUM' commandIs there a poke(s) to switch to 48 mode without SPECTRUM command. I want my tape loaders to switch automatically. I know how to switch ram banks ok…

    ... /> LD SP,HL
    LD BC,7FFDh
    LD A,30h ...
    John Elliott John Elliott October 2005 Sinclair Basic
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... Pulse Asymmetric Length Data block (BC's Quest for Tires)
    Black Hole Black Hole October 2005 Development
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... 0x11, in particular those like BC Quest, etc (and possibly ZX81 ...
    ADJB ADJB October 2005 Emulators
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... Pulse Asymmetric Length Data block (BC's Quest for Tires)
    piters piters October 2005 Development
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... designed to handle loaders like BC's Quest for Tyres where ... .

    Software Projects (*)
    BC's Quest for Tires, Learning ...
    Black Hole Black Hole October 2005 Development
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... Pulse Asymmetric Length Data block (BC's Quest for Tires)
    Luca Luca October 2005 Development
  • Listing Lenslok and Padlock protected softwareI was wondering if we could try to come up with lists of all software using either [url="http://www.worldofspectrum.org/infoseek.cgi?regexp=^Lenslok+…

    ... . It's the same as BC's Quest For Tires & ... /> [code]
    Software Projects
    BC's Quest for Tires, Learning ...
    Andrew Barker Andrew Barker November 2005 Games
  • After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…

    ... case of the instruction 'LD BC, NN', are two additional bytes ...
    Ian Hamilton Ian Hamilton November 2005 Sinclair Miscellaneous
  • After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…

    ... you load 255 in the BC register you are actually loading ...
    rich_chandler rich_chandler November 2005 Sinclair Miscellaneous
  • After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…

    ... case of the instruction 'LD BC, 30000', that occupies 12 bytes ...
    Ian Hamilton Ian Hamilton November 2005 Sinclair Miscellaneous
  • After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…

    ... case of the instruction 'LD BC, 30000', that occupies 12 bytes ...
    Alcoholics Anonymous Alcoholics Anonymous November 2005 Sinclair Miscellaneous
  • Bomb Jack EditorKnocked this up a bit back for psj. Works in conjunction with Multiface. Full instructions are in the [url="ftp://82.30.151.43/"]download[/url]. […

    ... DE, 65520
    65527: LD BC, 36081
    65530: LDDR
    mulder mulder November 2005 Development
  • length of 48k .sna fileJust a quickie :) Is the length of a 48k .sna 49152 or 49153, i.e. does it go from 0 to 49152, or from 1 to 49152? (If that makes any sense?) Cheer…

    ... /> 01 - 08 word HL',DE',BC',AF'
    09 - 10 word ... HL,DE,BC,IY,IX
    19 - 01 ...
    rich_chandler rich_chandler November 2005 Development
  • Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…

    [code]
    pop bc
    ld (hl),c
    ... /> and just one thing: POP BC/LD (HL),C/INC L ...
    Fikee Fikee December 2005 Development
<1…18192021222324…34>

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