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Search Again :: Adv Search 1000 results in 0.014s
<1…16171819202122…34>
  • FOR vs LET (speed)Hi dear friends. A question for you 10 FOR I = 0 TO 10 11 PRINT I 12 NEXT I 10 LET I = 0 20 PRINT I 30 LET I = I+1 40 IF I < 11 THEN GOTO …

    ... was to put your main loop at the beginning ;)

    until it gets to the right ...
    Paradigm Shifter Paradigm Shifter October 2021 BASIC
  • FOR vs LET (speed)Hi dear friends. A question for you 10 FOR I = 0 TO 10 11 PRINT I 12 NEXT I 10 LET I = 0 20 PRINT I 30 LET I = I+1 40 IF I < 11 THEN GOTO …

    ... the extra overhead of the loop termination value and the step ... ), value, limit, line number to loop to.
    Notice that that ... .

    It wasn’t until the ZX Spectrum that multi ...
    1024MAK 1024MAK November 2021 BASIC
  • Is it possible to make the Z80 execute a bizarre instruction?What happens when it gets an unrecognised instruction OP Code, I mean something following a #ED that isn't one of the undocumented instructions eithe…

    ... by some sort of infinite loop - not that I want to ... only difference for an infinite loop, is that it’s just ... ’s heat level will build until it reaches an equilibrium (heat ...
    1024MAK 1024MAK March 2022 Development
  • Easiest way to figure instruction lengthGiven a start address, what is the easiest way to find out instruction length at that address in Z80? I found [url="http://www.z80.info/decoding.htm"…

    ... br /> JR NZ,Read_Keyboard_1 ; Loop around until this row finished
    DEC ... br /> JR NZ,Read_Keyboard_0 ; Loop around until we are done
    AND ... br /> JR NZ,Read_Keyboard_1 ; Loop around until this row finished[/code]
    tstih tstih March 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... do
    ; so do that until you are comfortable with asm ... /> ld d, (ix+1)
    .loop ld a, (de)
    ld ...
    inc de
    djnz .loop
    ret
    [/code]
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... do
    ; so do that until you are comfortable with asm ... /> ld d, (ix+1)
    .loop ld a, (de)
    ld ...
    inc de
    djnz .loop
    ret
    ; text_out
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... do
    ; so do that until you are comfortable with asm ... /> ld d, (ix+1)
    .loop ld a, (de)
    ld ...
    inc de
    djnz .loop
    ret
    [/code]
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... do
    ; so do that until you are comfortable with asm ... /> ld d, (ix+1)
    .loop ld a, (de)
    ld ...
    inc de
    djnz .loop
    ret
    [/code]
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... 1 character, and a loop to draw each of the ... code which has a main loop which means you don' ... do
    ; so do that until you are comfortable with asm ... ld d, (ix+1)
    .loop ld a, (de)
    ld ... /> inc de
    djnz .loop
    ret
    [/code]
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... of space between the strings) until it gets to the bottom ... will make it end the loop and make it go on ... make anything to stop the loop yet.
    jp airloop[/code ...
    Kotek Kotek June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... space between the strings) until it gets to the ... termination condition for the loop either so that will ... /> ; so do that until you are comfortable with asm ... d, (ix+1)
    .loop ld a, (de)
    ld ... inc de
    djnz .loop
    ret
    [/code]
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... grow (downwards) with each call until it either starts overwriting your ... stack function in an infinite loop it will eventually wrap back ...
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... /> ld d, (ix+1)
    .loop ld a, (de)
    ld ...
    inc de
    djnz .loop
    ret

    ALIGN ... do
    ; so do that until you are comfortable with asm ...
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ...
    ld b, 8
    .loop:
    ; blit 8 pixel row ...
    ; next row
    djnz .loop
    ret
    [/code]
    until you try it).
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... space between the strings) until it gets to the ... termination condition for the loop either so that will ... /> ; so do that until you are comfortable with asm ... d, (ix+1)
    .loop ld a, (de)
    ld ... /> inc de
    djnz .loop
    ret
    [/code ...
    Kotek Kotek June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ORG 32768
    FONTBASE EQU #3c00

    main:
    ; make Spin disassembler dissassemble first real instruction correctly
    nop
    nop
    nop
    nop
    ; air supply
    airloop ld ix, spr_8x8
    ld hl, txt_air< ...
    Kotek Kotek June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... you call text_out in the loop, otherwise you are trashing memory ... a loop, things will break (and you might not notice until later ...
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    [code] ORG 32768
    FONTBASE EQU #3c00

    main:
    ; make Spin disassembler dissassemble first real instruction correctly
    nop
    nop
    nop
    nop
    ; air supply
    airloop ld ix, spr_8x8
    ld hl, ...
    Kotek Kotek June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... to do this in the loop
    ld ix, spr_8x8
    loop starts
    ld (ix+3 ... to do this in the loop
    ld hl, txt_air
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... to do this in the loop
    ld ix, spr_8x8
    loop starts
    ld (ix+3 ... to do this in the loop
    ld hl, txt_air
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... collision map in this loop
    ; outer loop counter
    ld b ... .dorowagain
    .nextrow
    ; outer loop counter is pushed on stack ... loop that would spam the tile 128 on the entire screen until ...
    Kotek Kotek July 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... ; so do that until you are comfortable with asm ... /> push bc
    jr loop

    ioloop ... bc ; push coords
    .loop
    ld a, (hl ... /> pop bc ; pop loop counter
    djnz .goloop ... /> push bc
    jr .loop
    .goouterloop push bc ...
    Kotek Kotek July 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... the start of your main loop and check everything is in ... it means single stepping through until you see it do something ...
    AndyC AndyC July 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ...
    call drawcursor
    .loop
    halt
    call scankeys ... or a
    jr z, .loop

    IF RETURN_TO_BASIC< ... ; count of tokens
    .loop
    call trimleadingws
    ret ... /> ; or else scan until we hit non-whitespace
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... , 0 ; count of tokens
    .loop
    call trimleadingws
    ret ... phase"
    ; or else scan until we hit non-whitespace
    inc hl
    jr .loop
    [/code]
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... ldi
    call drawcursor
    .loop
    halt
    call scankeys ... or a
    jr z, .loop

    IF RETURN_TO_BASIC
    djnz .loop
    ld a, (scr_out_col ... down a line
    djnz .loop
    ret

    ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... ldi
    call drawcursor
    .loop
    halt
    call scankeys ... or a
    jr z, .loop

    IF RETURN_TO_BASIC
    djnz .loop
    ld a, (scr_out_col ... down a line
    djnz .loop
    ret

    ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... br /> call drawcursor
    .loop
    halt
    call ... count of tokens
    .loop
    call trimleadingws
    ... /> ; or else scan until we hit non-whitespace
    jr .loop
    .errorcharliteralbadlength
    ld ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
<1…16171819202122…34>

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