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<1…3456789…34>
  • Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …

    ... /> ;add 1 to the sprite counter
    and 7
    ... beginning again ready to print those 8 pre-shifted ... is a very simple PRINT command, Yes...that's ... just a very simple PRINT routine that is going ... basically one character just like PRINT....or RST 16)
    ...
    Turkwel Turkwel November 2011 Development
  • Auto generated spritesLooking around for some graphics I came across [url]http://blog.disktree.net/?p=19[/url] , one of several such pages. Need the odd 8x8 UDG or two (…

    ... 't even have a proper counter (just goes through the chars ... pressed
    ld b,0 ;counter
    loop ld a,b ... that's 10 udgs made, print & return
    ld a ...
    R-Tape R-Tape December 2011 Development
  • Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…

    ... Scroll?
    380 REM Display Counter, Random No(0-255), Random ...
    400 POKE 23692,255: PRINT a;TAB 8;b;TAB ...
    440 IF b142 THEN PRINT "142": STOP
    450 REM ...
    530 REM
    540 PRINT : PRINT b101,b142
    550 REM ...
    Paddy Coleman Paddy Coleman December 2011 Development
  • 1984I'm just reading 1984, I've never read the book before. I was never a major book worm (unless technical manuals and papers). Oh my, what a world I h…

    ... Because we have propaganda in print media in the real world ... and propaganda in print media in 1984 it might ... alone one that resembles Oceania; print propaganda isn't a monopoly ... interesting novel and a good counter-argument to, for example, ...
    Zagreb Zagreb January 2012 Chit chat
  • Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…

    ... b4c9: 01 3c PRINT MSG(60) ; print "@&++.!'?... errei."
    PRINT MSG(80) ; print "Grande descoberta..."
    PRINT MSG(80) ; print "Grande descoberta..."< ...
    Einar Saukas Einar Saukas January 2012 Infoseek database
  • Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…

    ... /> b8c6: 01 60 PRINT MSG(96) ; print "Ela esta toda quebrada ... the shot, then the bullets counter will overflow (underflow?) to 255 ... br /> bc92: 01 3c PRINT MSG(60) ; print "@&++.!'?... errei."
    bc94 ...
    Einar Saukas Einar Saukas January 2012 Infoseek database
  • Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…

    ... attempts counter
    e1f7: 01 85 PRINT MSG(133) ; print "Ufa ... attempts counter
    e1f7: 01 85 PRINT MSG(133) ; print "Ufa ... /> e31a: 01 93 PRINT MSG(147) ; print "Zap, zup... Nao ...
    Einar Saukas Einar Saukas January 2012 Infoseek database
  • LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…

    ... /> [CODE] ld a,$16 ;print progress counter occasionally
    rst $10 ;(adds ... /> [CODE] ld a,$16 ;print progress counter occasionally
    rst $10 ;(adds ...
    Einar Saukas Einar Saukas March 2012 Development
  • LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…

    ... time, reset the counter and copy the counter to other address at ... ,($5C78)
    LD ($FFFE),HL ; print this number
    POP HL ...
    Z80user Z80user March 2012 Development
  • countdown timer ?just curious if there was a pre-made one about that I could use to count down from 999 to 0. in MC / under interrupt, that returns to basic? but how…

    ... jump to 'finish' when the counter reaches zero. A similar structure ... hms=hr+mi+se:
    PRINT AT 0,0;hr*24 ...
    Battle Bunny Battle Bunny April 2012 Sinclair Basic
  • Pictures of your ZX Spectrum collectionsI love seeing other people's collections of stuff. Be great to see your shelves or boxes full of games so we can have a nose at it too. I find it he…

    ... the tape recorder had a counter, I thought the whole idea ... , I'm surprised that the print is still legible after 25 ...
    Dave_C Dave_C April 2012 Sinclair Miscellaneous
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... count them on the points' counter.
    Could You give me ... to add the commands to print the score on the screen ...
    mulder mulder April 2012 Development
  • Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...

    ...
    RANDOMIZE d+256*c: PRINT d;TAB 4;" * ";c;TAB ... /> ld b,8 ;B =bit counter
    MULT1: sla c ;search ...
    Battle Bunny Battle Bunny July 2012 Development
  • Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...

    ...
    RANDOMIZE d+256*c: PRINT d;TAB 4;" * ";c;TAB ... /> ld b,8 ;B =bit counter
    MULT1: sla c ;search ...
    Morkin Morkin July 2012 Development
  • Copying Files in +3e BASIC (not using COPY command)Hello there my fellow WoS'ers Yet again I find myself in need of guidance, I am sooo close to getting my prototype up. I am writing my own byte cop…

    ... -Line 160 should be 160 PRINT #4; CHR$ c;
    counter yourself

    You PRINT was adding ... RETURN #5,p
    160 PRINT #4; CHR$ d;
    ... TO 200
    180 PRINT AT 20,0;"Copying "; ... 4 : CLOSE #5 :
    210 PRINT "File End "; p ;" Bytes of ...
    Encarnado Encarnado July 2012 Sinclair Basic
  • 40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…

    ... br /> ld b,a ; counter for which co-ordinate
    print routine
    notatting
    ... jr dontprint ; skip calling the print routine
    notatchr
    ...
    uglifruit uglifruit August 2012 Development
  • Wolfenstein / Doom for 48k SpectrumHi, is there any game / demo of this kind that runs on 48k machines? Thanks.

    OK Guys, I've updated the TAP version to include digital audio by default, and moved the player code to Uncontended RAM making it sound much better.

    I've also made the IDEDOS / +3 disk version which includes a cheat menu and in-game level skip ...
    nuggetreggae nuggetreggae October 2012 Games
  • Screens and BasicA question about the ZX screens. I am using software to convert my own art and drawings to the ZX Spectrum. I have some tools to change .jpg files in…

    ... TO 300
    PRINT n;
    NEXT ... de
    ld de, (counter)
    saveBox_inner_loop:
    ... saveBox_inner_loop
    ld (counter),de
    pop de< ... de
    ld de, (counter)
    resbox_inner_loop:
    ...
    BCH BCH February 2013 Sinclair Basic
  • The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…

    ... ).

    How do you print to the bottom 2 lines ... of the screen (PRINT #0 rings a bell?).
    counter or is there an address ...
    Paradigm Shifter Paradigm Shifter July 2013 Games
  • Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…

    ... PRINT a brand new full energy bar and restore the energy counter ...
    daveysludge daveysludge July 2013 Development
  • Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…

    ... "Number 2: ";E$
    102 PRINT STR$ USR (LMUL10+3): GO ... ;1000 REM LMUL:
    ;1001 PRINT " ";FN b$(V)+FN b ... NEXT a
    ;1393 PRINT "= "'a$(a TO)'32-a ... /> LC: equ WORKSP+42 ;loop counter

    gsEXX: ; 400 ...
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • Math problemI'm trying to solve/model a science problem, and I thought a simple BASIC program might help me, but I struggle to write it. Goal: Given a length of…

    ... TO n: REM c=cut counter
    20 LET p= ... p99 THEN
    BORDER 2: PRINT "Position ";p;" out of ... pt100 THEN
    BORDER 2: PRINT "Sum ";pt;" total 100": ... 40 NEXT r
    42 PRINT "Statistics for ";n;" cuts"
    Battle Bunny Battle Bunny August 2013 Sinclair Basic
  • Confounded DEF FNCan anyone see why this is going wrong? I've been tinkering with it since tea time and got nowhere. [code] 2 DEF FN t$(n,t,d) =STR$ INT (n/t)…

    ... 192 bytes. As it is, "PRINT AT 0,0;STR$ USR ... ),a
    ld l,24 ;counter
    Dloop1: ;"bring down" the ...
    Battle Bunny Battle Bunny August 2013 Sinclair Basic
  • Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…

    ... column is the T-states counter.
    [code]
    820B 28602 ... THEN NEXT a
    40 PRINT AT 0,0;a$( TO ... 100: IF q$(a)" " THEN PRINT q$(a),q(a): NEXT ... , plus I could make the counter array 60% smaller. So I ...
    Battle Bunny Battle Bunny August 2013 Emulators
  • Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…

    ... X=61440
    15 PRINT AT 0,10;"HEX INPUT ... ": PRINT AT 2,5;"THE POOR ... that when I call the PRINT USR 61440 routine any junk ... register values around to get PRINT USR to display the output ... anything execpt that the program counter is able to inc on ...
    wibble wibble August 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…

    ... a, '-' ; minus
    rst print_a ; print it
    fwait ; enter calculator ...
    ld a, (mem_5) ; get counter
    sub 9 ; nine digits ...
    pf_out_dt:
    call out_code ; print digit
    djnz pf_out_lp ; loop ...
    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…

    ... ; open it
    call print_fp ; print last value
    pop hl ...

    ; THE 'DECREASE THE COUNTER' SUBROUTINE
    org 0x36c1
    ld hl, breg ; get breg (counter)
    dec (hl) ; reduce it ...
    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…

    ... statement
    sub d ; counter from one
    ld (nsppc ... ld d, 0 ; zero statement counter

    org ... ; a space
    rst 10h ; print it
    jp test_trace_3 ; immediate ... br /> dec bc ; reduce counter
    ld a, c ...
    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 a, 25 ; scroll counter value
    sub (iy ... space
    call po_msg ; print the message

    ... :
    ld a, ',' ; print
    rst print_a ; a comma ... call out_num_1 ; print it
    ld a, ':' ; print
    rst ...
    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…

    ... ; swap pointers
    rst print_a ; print character
    jr out_line4 ; loop ...
    dec d ; decrease statement counter
    scf ; set carry flag ... br /> out_num_5:
    call out_code ; print it
    pop hl ; unstack ...
    chev chev October 2013 Development
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