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<1…20212223242526…34>
  • +3 BASIC DOS_DemoI got side-tracked while working on the Op.Wolf conversion and ended up writing this +3 DOS utility which provides most of the disk functions that mi…

    ... will be in 5-byte FP form. This change just forces ... LASTV "last value printed by calculator" and so are free for ...
    Battle Bunny Battle Bunny February 2013 Sinclair Basic
  • Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…

    ... at the top of the calculator stack. I haven't worked ... . As it's MCoder compiled BASIC maybe that decompiler written for ... /> I can provide the ugly BASIC source code for this game ...
    na_th_an na_th_an February 2013 Infoseek database
  • Games written in White LightningI've just got my hands on the White Lightning package from Oasis (courtesy Bobs), and it seems to be a fairly powerful system with a comprehensive ma…

    [QUOTE=daveykins;698801]Laser Basic wasn't the same as ... was another product they had ... Basic Lightning?

    Was really ... the authors of laser things.. basic and genius, I assumed they ... copyright.. much like softek's FP compiler etc.. who wanted a ...
    fog fog May 2013 Games
  • New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…

    ... - Current version

    In BASIC the port will 571 decimal ... the number into a programmers calculator, convert to hex, and read ...
    Winston Winston June 2013 Hardware
  • 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…

    ... be declared sequentially in the BASIC, as the program expects them ... FIND
    ;transfer the 8 BASIC variables into 8*2-byte ... ,$33b4 ;STACK_NUM if number in FP form
    push hl
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • Confounded DEF FNCan anyone see why this is going wrong? I've been tinkering with it since tea time and got nowhere. [code] 2 DEF FN t$(n,t,d) =STR$ INT (n/t)…

    ... seem to be what the BASIC calculation is giving. By the ... time the BASIC calls FREE_MEM that extra 134 ... the same PRINT statement; the calculator stack doesn't get reset ... another statement and reset the calculator stack, so the space used ...
    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)…

    ... way to get both the calculator & machine stacks included when ... calculating function memory usage in BASIC. Just put the DEF FN ...
    Battle Bunny Battle Bunny August 2013 Sinclair Basic
  • best basic to useAs I like to do a bit of basic programming now and then what do you think is the best basic to work with? It's a pity the ramdisk can't be used on th…

    ... ]because as everybody knows spectrum basic is stupidly slow[/QUOTE]
    Basic compilers like TOBOS-FP. Far away from ... Poland were written in ZX Basic and compiled using TOBOS. < ... br /> Beta Basic 4 gives some more space ...
    kpuchatek kpuchatek August 2013 Sinclair Basic
  • best basic to useAs I like to do a bit of basic programming now and then what do you think is the best basic to work with? It's a pity the ramdisk can't be used on th…

    ... generic programming on Spectrum, ZX Basic/BetaBasic are still valid choice ... , especially when dealing with FP maths.

    BTW. I ...
    kpuchatek kpuchatek August 2013 Sinclair Basic
  • best basic to useAs I like to do a bit of basic programming now and then what do you think is the best basic to work with? It's a pity the ramdisk can't be used on th…

    ... , but it uses 4-bytes FP numbers (and its own math ... was good idea in ZX Basic to have just one type ... of numbers.
    SE Basic - I need to look at ...
    kpuchatek kpuchatek August 2013 Sinclair Basic
  • best basic to useAs I like to do a bit of basic programming now and then what do you think is the best basic to work with? It's a pity the ramdisk can't be used on th…

    ... but it uses 4-bytes FP numbers (and its own math ... type of numbers.
    SE Basic - I need to look at ... doesn't work with SE Basic so I suspect TOBOS won ... might want to use SE Basic IV for its editor ... the new features of SE Basic are most useful while debugging ...
    chev chev August 2013 Sinclair Basic
  • 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 machine code" and "Updating BASIC variables from assembler" sections. There ... a method for updating a BASIC number array from assembler; you ... /zx-comp/mccalc.zip]ROM calculator[/url] feature for reference.
    Battle Bunny Battle Bunny September 2013 Sinclair Miscellaneous
  • Returning to BASIC from asmI never had to do it till now but there is always the first time :) At machine code program start I preserved SP register and all the other ones. A…

    ... altered system variables, left the calculator stack unbalanced, overwritten items on ... stack, overwritten parts of the BASIC program, variables or workspace, PUSHed ...
    Battle Bunny Battle Bunny September 2013 Development
  • New hardware for Spectrum from ShaosI have some ideas for new ZX-peripherals and quickly designed a prototyping board for experiments: [URL=http://nedocon.com/store/speccy/][IMG]http:/…

    ... write to #0000 during a calculator operation, and there's a ... higher bit7="1" will keep BASIC ROM into place...
    Shaos Shaos October 2013 Hardware
  • New hardware for Spectrum from ShaosI have some ideas for new ZX-peripherals and quickly designed a prototyping board for experiments: [URL=http://nedocon.com/store/speccy/][IMG]http:/…

    [QUOTE=aowen;727061]It deliberately tries to write to #0000 during a calculator operation...[/QUOTE]

    Does it mean any basic math?
    Shaos Shaos October 2013 Hardware
  • New hardware for Spectrum from ShaosI have some ideas for new ZX-peripherals and quickly designed a prototyping board for experiments: [URL=http://nedocon.com/store/speccy/][IMG]http:/…

    [QUOTE=Shaos;727208]Does it mean any basic math?[/QUOTE]

    Had to look it up. It's the skip constants routine at #33F7. Overwrites the first five bytes of the ROM. Can contain any value at all. Gets called during calculator operations.
    chev chev October 2013 Hardware
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... instruction set for its internal calculator which probably saves a heap ... /> [quote]Shame the trend for BASIC generated a whole generation of ...
    chev chev October 2013 Sinclair Basic
  • 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…

    ... " ; version number

    ; THE 'CALCULATOR' RESTART
    org 0x0028
    ident:
    defb "SE" ; SE BASIC identifier string

    ; THE ...
    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…

    ... call next_2num ; co-ords to calculator stack
    ; rst ... fce ; exit calculator
    call fp_to_bc ; calculator stack to BC ... /2
    fce ; exit calculator
    inc (hl) ; ... ld (stkend), hl ; fp number from stack to line ...
    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…

    [code]; --- BASIC LINE AND COMMAND INTERPRETATION -----------------------------------
    < ... /> ; THE 'MAIN PARSER' OF THE BASIC INTERPRETER
    org 0x1b17
    fce ; exit calculator
    ret ; end of subroutine ...
    chev chev October 2013 Development
  • SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…

    ...
    call $2dd5 ;FP_TO_A from calculator stack: A
    ld (ix ... return in case not to BASIC
    ld a,h
    cp $40 ;called from BASIC?
    ret nc ;no, A ...
    Battle Bunny Battle Bunny November 2013 Sinclair Basic
  • Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …

    ... system, tape loader / tape tester / calculator and the Spanish 128 simply ... started up in the 128 Basic editor and went to 48 ...
    memrah memrah November 2013 Sinclair Miscellaneous
  • Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …

    ... / tape tester / calculator and the Spanish 128 simply ... a keypad for extended BASIC editing. UK: random mapping ... running calculator in BASIC. UK: standalone calculator (not usable with BASIC).
    BASIC menu option.
    Spanish: ...
    chev chev November 2013 Sinclair Miscellaneous
  • Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …

    ... a keypad for extended BASIC editing. UK: random mapping ... a running calculator in BASIC. UK: standalone calculator (not usable with BASIC).
    ... codes supported in 128 BASIC. UK: No support for ... : SPECTRUM command. UK: 48 BASIC menu option.
    Spanish: ...
    memrah memrah November 2013 Sinclair Miscellaneous
  • Problem with Pasmo Assembler/Speccy emulator?I'm at the start of trying to learn Z80 assembly for the ZX Spectrum. I'm using Speccy 1.7 as my emulator, Pasmo as my assembler, and am following t…

    ... when you should see 3 basic lines.

    I opened ... displays those three lines of basic that it mentioned, I type ... I've never used the basic in the emulator until now ... use the computer as a calculator, and it also had a ...
    The_Bert The_Bert December 2013 Development
  • Internet Archive puts classic 70s and 80s games online[url]http://www.bbc.co.uk/news/technology-25527786[/url] [I]Classic video games from the 1970s and 1980s have been put online by the Internet Archiv…

    That Bally Astrocade [url]http://en.wikipedia.org/wiki/Bally_Astrocade[/url] looks like it has borrowed the keypad from an early TI calculator [url]http://datamath.org/BASIC/TI-1200/TI-1250.htm[/url]
    The_Bert The_Bert December 2013 Chit chat
<1…20212223242526…34>

Latest Posts

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