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Search Again :: Adv Search 1000 results in 0.013s
<1…18192021222324…34>
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ... /> add hl,hl
    add hl,hl
    add hl,hl
    add hl,de
    call p_print ...
    Turkwel Turkwel June 2010 Development
  • Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …

    ...

    PUSH HL
    CALL BEEPIT ; BC is set, ... so now Play note...
    POP HL ... /> LD A,B
    CALL $2D28; Push A onto Calc ... /> LD A,C
    CALL $2D28; Push A onto Calc ...
    kgmcneil kgmcneil June 2010 Announcements
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ...
    ; push bc
    ; call print_char
    ; pop bc
    ; call print_attribute
    ; ret
    ... l,a
    add hl,hl
    add hl,hl
    srl c
    call print_attribute2
    ;call the subroutine to see ...
    Turkwel Turkwel June 2010 Development
  • Sprite RotatingI was looking (actually at Everyone's a Wally), and noticed that all the graphics for the main characters are left facing, and two characters wide. …

    ... loop
    ld e, (hl)
    inc l
    ... br /> [CODE]
    rr (hl)
    inc l
    rr ... /> shift 2px ... call 2 times rr(hl) / inc l
    shift 4px ... call rrd ... /> shift 6px ... call 2 times rl(hl), dec l
    Fikee Fikee June 2010 Development
  • Arkos TrackerHi all, I'm proud to present you my Windows-based Tracker : Arkos Tracker, for you to compose for Spectrum, CPC and MSX. It requires .NET 3.5 at lea…

    ... amp;4000
    ld hl,begin_music
    ld de,& ... /> ld de,begin_music
    call Player_Address

    Instead ... of hard coding the call to a specific address ... /> ld de,&4000
    call Player_Address

    ???
    kgmcneil kgmcneil June 2010 Development
  • clarification needed of assembler graphics routineI was wondering if someone used to coding animated graphics in assembler can take a look at [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/as…

    ... +06),A
    7f66 cdaa22 CALL 22aa,pixel_add
    7f69 dd7707 ... the author does the CALL 22AA (filling HL, freeing BC) just out ...
    roko roko June 2010 Development
  • Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…

    ... /> push hl ; and preserve
    ;
    call main1
    ;
    pop hl ; manipulate ... ; cheeky hack
    inc (hl)
    call loadit ; now load code file ...
    ;
    ld hl,filenam
    inc (hl)
    call loadit ; now load ...
    jp jp June 2010 Development
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ... character is done by the call to SP1DrawUpdateStruct.

    Line ... and terminates on a jp(hl) at line 177 after register ... set up. The jp(hl) jumps into code embedded in ...
    Alcoholics Anonymous Alcoholics Anonymous June 2010 Development
  • Die Rolling sound?Digging out my old Fighting fantasy programs (so far unsuccessfully... thanks c60) had me wondering how I'd program it these days. Hopefully better,…

    ...
    LD HL,$00C8 33 200 0
    CALL $03B5 205 181 ...
    Battle Bunny Battle Bunny July 2010 Sinclair Basic
  • Message to all programmersHello folks, more and more programmers in the recent time are using special loading routines for their Homebrew-Software. This makes their game runn…

    ... to the point after the Call of the Rom-Routine. That ... . This means I need to call the depacking routine after loading ... . And if the depacker uses HL' or IY, they must be ...
    Metalbrain Metalbrain August 2010 Development
  • Challenge: Make a Speccy version of "Leisure Suit Larry 1"and put it on this site as a rom c'mon be nice!

    ... might make an international phone call just to see if I ... /> LD DL,23783
    PUSH HL
    LD (23613),SP
    LD HL,34104
    PUSH HL
    LD DE,41536 ...
    zxbruno zxbruno August 2010 Development
  • Gaming annoyancesWhat are everyone's gaming annoyances? Mine are respawning enemies, time limits and games that change styles on each level. I hate buying a side scro…

    ... ;-) I'm most definitely a HL fanboy, I'm still sad ... that... ;)[/QUOTE]

    Good call on Mirrors Edge, it's ...
    Vampyre Vampyre August 2010 Games
  • BITWISE operators...Hi Folks, Another question - is there a way (fast) to do bitwise operations in Sinclair BASIC? Many thanks Paddy

    ... the routine easier to call from BASIC you could ... ORG start_address
    LD HL,(23563) ;DEFADD address of ... /> INC HL
    INC HL
    INC HL
    INC HL
    ... LD B,(HL) ; ... a BASIC function to call the machine code and ...
    GReW GReW August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... and I found the "HL=HL*DE" subroutine at 30A9. ... and return the result in HL?

    If ... ] LD HL,5d
    LD DE,6d
    CALL 30A9
    HL?

    I ... error "Bad Expression" on the CALL when assembling.

    Paddy Coleman Paddy Coleman August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... />
    Oh wow - it works! HL contains 30. :-o

    call this routine like this?
    Paddy Coleman Paddy Coleman August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... />
    Oh wow - it works! HL contains 30. :-o

    call this routine like this?
    torot torot August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... /> rla
    adc hl,hl
    sbc hl,de
    jr nc ... ,$+3
    add hl,de
    ret[/CODE]
    HL.

    Paddy[/ ... you check the value of HL

    Add
    call wit PRINT USR
    ...
    Dr BEEP Dr BEEP August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... 40000

    ld hl,156 ; value to divide
    sbc hl,de ; try subtract high ... it can
    add hl,de ; undo last subtraction ... ret
    [/code]

    Call with PRINT USR 4e4 will ...
    Dr BEEP Dr BEEP August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... 40000

    ld hl,156 ; value to divide
    sbc hl,de ; try subtract high ... it can
    add hl,de ; undo last subtraction ... ret
    [/code]

    Call with PRINT USR 4e4 will ...
    Dr BEEP Dr BEEP August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... 40000

    ld hl,156 ; value to divide
    sbc hl,de ; try subtract high ... it can
    add hl,de ; undo last subtraction ... ret
    [/code]

    Call with PRINT USR 4e4 will ...
    Dr BEEP Dr BEEP August 2010 Sinclair Basic
  • Keyboard demoHere's a preview of a new keyboard for the special fx engine. Press any key to start/restart. [url]http://dl.dropbox.com/u/9498358/fire_keyboard.sn…

    ... push de
    push hl
    call getnotes
    cp $16 ... + bright
    ex de, hl
    call lad7f
    defb $36 ... push de
    push hl
    call getnotes
    inc d ... bright
    ex de, hl
    call lad7f
    defb $36 ...
    FrankT FrankT August 2010 Development
  • Keyboard demoHere's a preview of a new keyboard for the special fx engine. Press any key to start/restart. [url]http://dl.dropbox.com/u/9498358/fire_keyboard.sn…

    ... DE
    PUSH HL
    CALL GETNOTES
    CP ... BRIGHT
    EX DE, HL
    CALL GETADDRESS
    DEFB $36 ... DE
    PUSH HL
    CALL GETNOTES
    INC ... BRIGHT
    EX DE, HL
    CALL GETADDRESS
    DEFB $36 ...
    FrankT FrankT August 2010 Development
  • Keyboard demoHere's a preview of a new keyboard for the special fx engine. Press any key to start/restart. [url]http://dl.dropbox.com/u/9498358/fire_keyboard.sn…

    ... DE
    PUSH HL
    CALL GETNOTES
    CP ... BRIGHT
    EX DE, HL
    CALL GETADDRESS
    DEFB $36 ... DE
    PUSH HL
    CALL GETNOTES
    INC ... BRIGHT
    EX DE, HL
    CALL GETADDRESS
    DEFB $36 ...
    kgmcneil kgmcneil September 2010 Development
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... twice, once with the USR call and once without, and takes ... (CH_ADD),bc
    call $28b2
    pop bc ;HL=address of v ... ,8
    add hl,bc
    dec hl ;HL=address of 1st element ...
    Battle Bunny Battle Bunny September 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... /agessort.asm]here[/url]. The call to SET_T is to get ... DEFADD workspace, putting them in HL & DE respectively. Other called ...
    Battle Bunny Battle Bunny September 2010 Sinclair Basic
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... KNOW WHAT ENTRY POINTS TO CALL IN THE SAM COUPE ROM ... time?[/QUOTE]
    [code]LD HL,16_bits_of_data_from_a_proportional_font
    LD SP,screen_address ...
    Jonathan Harston Jonathan Harston September 2010 Emulators
  • logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…

    ... Main proc
    ld hl,(CH_ADD) ;store CD_ADD
    call SCANNING ;and call "scanning" ... br /> ld (CH_ADD),hl ;let CH_ADD point again ...
    mcleod_ideafix mcleod_ideafix September 2010 Development
  • logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…

    ... store CH_ADD temporaly
    push hl

    rst 18h ... both number expressions.
    call EXPT_2NUM ;And do it. ... CH_ADD
    ld (CH_ADD),hl
    ret
    ...
    mcleod_ideafix mcleod_ideafix October 2010 Development
  • Help! Reverse engineering a Spectrum game[deleted]

    ... (hl) for example, would need to be analysed carefully but if call ... program taking every jump and call possibility to calculate all the ... that a conditional jump or call instruction may lie in the ...
    ASM ASM October 2010 Development
<1…18192021222324…34>

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