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<1…21222324252627…34>
  • Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…

    ... where STEP -1: READ b: POKE a,b: NEXT a:
    USR w: PAUSE 5:
    LET ...
    Battle Bunny Battle Bunny February 2013 Sinclair Miscellaneous
  • Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…

    ... - if you call it via USR, then BC contains the address ... allocate 3 bytes more and poke an instruction there to load ...
    Einar Saukas Einar Saukas February 2013 Sinclair Miscellaneous
  • Switch 128k to 48k modeNot sure how to go about this using MC, in 128 basic you can type SPECTRUM to revert to 48 mode (I think), but how would I go about switching modes u…

    ... 30025:READ A:POKE F,A:NEXT F:RANDOMIZE USR 30000:LOAD ...
    nuggetreggae nuggetreggae February 2013 Development
  • Disabling the +3 disk buffer; yes, but how?I would like to disable the +3 disk buffer in order to retrieve those 4K from the machine's RAMdisk. By reading the computer manual and some posts on…

    ... 30032:READ A:POKE F,A:NEXT F: RANDOMIZE USR 30000
    nuggetreggae nuggetreggae 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…

    ... the line 10 LOAD""SCREEN$:POKE 23739,111:LOAD"" will it ... is started with a RANDOMIZE USR then the PAUSE 0 should ...
    R-Tape R-Tape March 2013 Games
  • 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…

    ... .jw6" CODE 32768 : POKE 32000,6 : LET X= USR 32001
    60 ... .jw4" CODE 32768 : POKE 32000,4 : LET X= USR 32001
    70 ... .jw3" CODE 32768 : POKE 32000,3 : LET X= USR 32001
    80 ... " CODE 32768 : POKE 32000,7 : POKE 32030,27 : LET x= USR 32001
    jammajup jammajup March 2013 Games
  • A quick newbish questionI'm reading through 'mastering machine code on your spectrum',as kindly posted by Mr bert on this forum. Correct me if I'm wrong from what i read,bu…

    ... with writing routines using the poke command,hence being a ... screen locations.

    To POKE a location in assembler
    POKE the value into the location ... the same as POKE 16384,255. Just run RANDOMIZE USR 32768 to ...
    rich_chandler rich_chandler March 2013 Development
  • Font hack that was used in a lot of early gamesThere was a little hack for changing the fonts on a spectrum and I remember it being used in a couple of old games on the 48k, it was a sort of ye od…

    ...
    20 RANDOMIZE USR 30000
    30 POKE 23607,249: PRINT "ITALIC ... '85):
    [code]15 POKE 23606,0: POKE 23607,60: CLEAR 31743 ... ,y
    80 NEXT x: POKE a,PEEK (22432-256*y ... y
    110 NEXT i: POKE 23607,123: LIST[/code]
    Battle Bunny Battle Bunny April 2013 Sinclair Basic
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... POKE 50000,237 : POKE 50001,113 : POKE 50002,201
    30 RANDOMIZE USR 50000 ...
    TK90XFan TK90XFan April 2013 Hardware
  • Font hack that was used in a lot of early gamesThere was a little hack for changing the fonts on a spectrum and I remember it being used in a couple of old games on the 48k, it was a sort of ye od…

    ... a simple POKE either.
    [code]
    1 RANDOMIZE USR (PEEK 23635 ...
    Battle Bunny Battle Bunny April 2013 Sinclair Basic
  • Font hack that was used in a lot of early gamesThere was a little hack for changing the fonts on a spectrum and I remember it being used in a couple of old games on the 48k, it was a sort of ye od…

    ... some initialization and runs RANDOMIZE USR afterwards.

    For instance ... "Hello": PRINT "World": STOP
    POKE 23758,255
    SAVE "test ...
    Einar Saukas Einar Saukas April 2013 Sinclair Basic
  • BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…

    ... 2;5,6
    26 POKE 54321,255: PRINT #3: RANDOMIZE ... LET a=ATTR (b,c): POKE 12345,BIN 01010101: LET a ... $=STR$ 12345: PRINT TAN a+USR b
    35 LET a ... =USR "a": LET b=VAL "b": ...
    Battle Bunny Battle Bunny April 2013 Sinclair Basic
  • 16k programmingHi all, If I want to code something for a 16k (or any spectrum) my understanding was that if I CLEAR below 24064 and put all the code above it up to…

    ... ""SCREEN$ : POKE VAL "23739",CODE "o": LOAD ""CODE : RANDOMIZE USR VAL "24e3 ...
    Einar Saukas Einar Saukas May 2013 Development
  • Poke on +2 greyhi, should i poke 65535,0 or 65536,0 in the first case i get OK 0 but in the second one i get "B interger out of range,0:1" i am trying to load z…

    [QUOTE=xaris_sm;700221]should i poke 65535,0 or 65536,0< ... of why you want to POKE anything before or after loading ... do a soft reset into USR 0 mode; ie. 48k mode ...
    Battle Bunny Battle Bunny May 2013 Hardware
  • pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…

    ... : FOR f=USR "a" TO USR "c"+7: READ z: POKE f,z ...
    Einar Saukas Einar Saukas May 2013 Development
  • pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…

    ... : FOR f=USR "a" TO USR "c"+7: READ z: POKE f,z ... ),j(f))=2: POKE q2,i(f): POKE q2+1,j(f ...
    Einar Saukas Einar Saukas May 2013 Development
  • Trailblazer - mapped?Anyone mapped Trailblazer yet? I'd kind of like to get hold of the maps. D.

    ... : PAPER 0: CLS: POKE 23624,PEEK 23693: RANDOMIZE USR 30000

    Battle Bunny Battle Bunny June 2013 Games
  • More tea, vicar on disk?Hello, can somebody help me putting the 128k version of this game on disk? The 128k version is free available from Jonathans Webseite. However, the g…

    ... main block at 24000.
    POKE 32471,201 to remove the ... to 24000 and then RANDOMIZE USR 24000 to start the game ...
    FrankT FrankT June 2013 Sinclair Miscellaneous
  • Trailblazer - mapped?Anyone mapped Trailblazer yet? I'd kind of like to get hold of the maps. D.

    ... a TAP file.
    + RANDOMIZE USR 23489

    * A separate ... : PAPER p: POKE 23624,PEEK 23693: CLS:
    . RANDOMIZE USR 30000: PAUSE ...
    Battle Bunny Battle Bunny June 2013 Games
  • 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…

    ... a=USR "a"
    15 READ b:IF b-1 THEN POKE ...
    carlsson carlsson July 2013 Games
  • Rotronics Wafadrive v.1.80 ROM - Corrupt or purposely broken?I've been digging around the Wafadrive v1.80 ROM (from [URL="http://zxspectrum.it.omegahg.com/_RO.htm"]here[/URL]) and can't decide if the ROM is cor…

    ... 32767
    20 POKE 32768,207
    30 POKE 32769,50: REM ... @$0cca
    40 POKE 32770,201
    50 RANDOMIZE USR 32768[/CODE]
    jp jp July 2013 Hardware
  • C.G.D - Classic Game Designer[b]UPDATE: August 07, 2013 AN UPDATED VERSION OF CGD IS NOW AVAILABLE, DETAILS HERE: [url]http://www.worldofspectrum.org/forums/showpost.php?p=7155…

    ... .[/QUOTE]

    Perhaps because POKE 23739 affects the channel and ... ""SCREEN$ : POKE 23739,111: LOAD ""CODE : CLEAR 26999: RANDOMIZE USR 27000[/CODE ... ""SCREEN$ : POKE 23739,111: LOAD ""CODE : PAUSE 0: CLEAR: RANDOMIZE USR 27000 ...
    Einar Saukas Einar Saukas July 2013 Brand new software
  • 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…

    ... declared in the listing. The USR call returns a 32-digit ... the answer and so "STR$ USR" must be used to call ...
    102 PRINT STR$ USR LMUL10: GO TO 100
    102 PRINT STR$ USR (LMUL10+3): GO TO 101 ... I=VAL s$(LEN s$): POKE var,CODE r$
    ld ...
    Battle Bunny Battle Bunny July 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)…

    Here's a way to get both the calculator & machine stacks included when you're calculating function memory usage in BASIC. Just put the DEF FN in 1001 and the FN call in line 1030.

    [center][img]http://www.users.globalnet.co.uk/~jg27paw4/ ...
    Battle Bunny Battle Bunny August 2013 Sinclair Basic
  • 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…

    ... Z=Z-7
    60 POKE X,16*Y+Z
    USR 61440 routine any junk is ... values around to get PRINT USR to display the output correctly ...
    wibble wibble August 2013 Development
  • Machine code optimisationI'm geting back into z80 coding and wonder what the best way of showing how efficient the code is. I've got Rodney Zaks book and see there are timin…

    ... to poke & peek. I also believe that let B = USR 1234 ...
    rune rune September 2013 Sinclair Miscellaneous
  • Couple of basic BASIC questionsPlaying around with BASin again in an effort to knock up a game and am wondering 2 things 1) Why when I run the program do my UDGs not always pick u…

    ... : FOR a=USR "A" TO USR "U"+7: READ b: POKE a,b ...
    Battle Bunny Battle Bunny September 2013 Sinclair Basic
  • Couple of basic BASIC questionsPlaying around with BASin again in an effort to knock up a game and am wondering 2 things 1) Why when I run the program do my UDGs not always pick u…

    ... : FOR a=USR "A" TO USR "U"+7: READ b: POKE a,b ...
    Wookiee Wookiee September 2013 Sinclair Basic
<1…21222324252627…34>

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