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<1…18192021222324…34>
  • New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…

    ... have 255 lives, but the routine which converts an integer to ... string is only expecting a value of 2 digits in the ...
    Digital Prawn Digital Prawn April 2011 Brand new software
  • Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …

    ... quoting it, it has little value as a legit news source ... capable of suspending the usual routine of petty international squabbles.
    Matt_B Matt_B April 2011 Sinclair Basic
  • Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…

    ... you also store the SEED value with the snapshot. This happens ... RANDOMIZE sets SEED to a value related to FRAMES, which holds ... bits change in the SEED value. Your RANDOMIZE statement is setting ... assumes the basic rom interrupt routine is running becasue it is ...
    Alcoholics Anonymous Alcoholics Anonymous May 2011 Sinclair Basic
  • Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…

    ... invokes an assembly routine and returns a numeric value (technically the BC ... this returned value.

    I bet the MicroPrint routine always returns ... the same value in your case ...
    Einar Saukas Einar Saukas May 2011 Sinclair Basic
  • Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…

    ... invokes an assembly routine and returns a numeric value (technically the BC ... this returned value.

    I bet the MicroPrint routine always returns ... the same value in your case ...
    Paddy Coleman Paddy Coleman May 2011 Sinclair Basic
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... example). Looking at the PropSys routine it stores the "width" in ... bit mask rather than the value.

    For example:< ... Width
    Pixel Width Byte Value

    1 127
    value (although I am not the ...
    Paddy Coleman Paddy Coleman May 2011 Sinclair Basic
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... do?

    2) What value is end set to when ... />
    3) In the new routine, at what address is the ... />
    Not played with the routine in my own programs yet ...
    Paddy Coleman Paddy Coleman May 2011 Sinclair Basic
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... to
    ;the proportional printing routine.
    ENABL: LD HL,(23631 ... br /> ld d,h ; save value
    ld e,l ;

    ;And another useful routine - it calculates the relevant address ... file address and stores the value of
    ;ATTRP (the ...
    chev chev May 2011 Sinclair Basic
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... the start of the linewrap routine:
    [code]
    table: equ ... externally.

    The 'end' value returned by linewrap is the ...
    Battle Bunny Battle Bunny May 2011 Sinclair Basic
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... the start of the linewrap routine:
    [code]
    table: equ ... externally.

    The 'end' value returned by linewrap is the ...
    Paddy Coleman Paddy Coleman May 2011 Sinclair Basic
  • Locating the GOSUB stackI was wondering if someone could explain how to locate the dividing line between the GOSUB stack and the machine stack. Looking at the GOSUB routine …

    ... stack. Looking at the GOSUB routine in the ROM, it uses ... SUB due to the initial value.
    Dr BEEP Dr BEEP May 2011 Development
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... 't actually care what the value of OVER is. It always ... . However, my 42-column print routine, which is derived from the ... proportional print routine, clears the area it's ... with the original proportional printing routine. Or you could just use ...
    chev chev May 2011 Sinclair Basic
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... 't actually care what the value of OVER is. It always ... . However, my 42-column print routine, which is derived from the ... proportional print routine, clears the area it's ... with the original proportional printing routine. Or you could just use ...
    Paddy Coleman Paddy Coleman May 2011 Sinclair Basic
  • RAND USR that doesn't work in emulators and clonesEons ago, I "discovered" a strange RANDOMIZE USR. This is it: [b]RANDOMIZE USR 46578[/b] Using it on a genuine ZX Spectrum rubber key or Plus model,…

    ... is only performed on low value rows.

    Anyway ... 't never reach a value greater than 17h during ... a DRAM cell fades its value to "1" when ... />
    The greater the value in B (after the XOR ... . That is, more memory cells will become "damaged" by the ...
    mcleod_ideafix mcleod_ideafix May 2011 Emulators
  • Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…

    ... (H*256)+x. (x = bit value)?[/QUOTE]

    Great optimization ... it at the end (my routine doesn't use any pushs ...
    tstih tstih May 2011 Development
  • RAND USR that doesn't work in emulators and clonesEons ago, I "discovered" a strange RANDOMIZE USR. This is it: [b]RANDOMIZE USR 46578[/b] Using it on a genuine ZX Spectrum rubber key or Plus model,…

    ... initialization is performed, the original value ($FFFF) is stored somehow, somewhere ... similar instructions, including a calculator routine that performs EXX followed by ...
    mcleod_ideafix mcleod_ideafix May 2011 Emulators
  • RAND USR that doesn't work in emulators and clonesEons ago, I "discovered" a strange RANDOMIZE USR. This is it: [b]RANDOMIZE USR 46578[/b] Using it on a genuine ZX Spectrum rubber key or Plus model,…

    ... into memory. Later, a print routine builds a nice report on ... 6004, sometimes preserve its previous value)
    IR = 0000

    value is still there! The cold ... IY commonly hold their last value after a warm reset (using ...
    mcleod_ideafix mcleod_ideafix May 2011 Emulators
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... call make_room ; call the MAKE_ROOM routine
    inc hl ; move HL ...
    push bc ; printing routine, put all the registers
    push hl ; And another useful routine - it
    push af ; ... address and stores the INK value of
    rrca ; ATTR_P ...
    chev chev May 2011 Sinclair Basic
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... much overhead to the display routine. I can think of a ... name area (which is 6 cells across), and the body of ...
    chev chev May 2011 Development
  • Back to BASIC[U][B]Archaeology guide to programs compiled used MCODERII.d[/B][/U] After various people have been talking about "Frank'n'stein" I decided to finis…

    ... address is inside the BORDER routine.[/CODE]
    [B] ... ;TEMPS is the standard ROM routine at 3405
    LD ... standard 'print char in A' routine
    LD HL, 0 ... to work out the fractional value we use the ZX FP ... br /> ;BEEP is ROM routine at 1016
    CALL ...
    Jimmy Jimmy May 2011 Development
  • Loader help please (and a suggestion)I posted in my "Wicker Woman" thread that I was having problems creating a loader, but I think this is a more appropriate place to post. I've had go…

    ... 's using the LD-LEADER routine in the ROM which is ... sets the channel S output routine address to point to 096F ... )+5,244 restores the normal value, so that should go after ...
    Battle Bunny Battle Bunny June 2011 Sinclair Basic
  • Loader help please (and a suggestion)I posted in my "Wicker Woman" thread that I was having problems creating a loader, but I think this is a more appropriate place to post. I've had go…

    ... 's using the LD-LEADER routine in the ROM which is ... sets the channel S output routine address to point to 096F ... )+5,244 restores the normal value, so that should go after ...
    The Lone Magpie The Lone Magpie June 2011 Sinclair Basic
  • Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …

    ... holder by either writing another routine that converts a 16 byte ... or by setting an initial value of "00000" and treating the ...
    ret z
    ;exit routine if EOM byte zero found ... hl,hl
    ;multiply ASCII value by 8
    ld de ...
    Turkwel Turkwel June 2011 Development
  • Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …

    ... , you can speed up your routine like this:

    ... /> ret z
    ;exit routine if EOM byte zero found ... ,hl
    ;multiply ASCII value by 8
    ld de ... /> ret z
    ;exit routine if EOM byte zero found ... ,hl
    ;multiply ASCII value by 8
    ld a ...
    ub880d ub880d June 2011 Development
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... 0x1655 ; call the MAKE-ROOM routine
    inc hl ; move HL ... bc, 0x15c4 ; address of input routine
    ld (hl), c ; low ... character
    ld a, (atflg) ; value of AT flag
    and ... holds the offset to the routine

    pop af ; restore ...
    chev chev June 2011 Development
  • Calculating free memory...Hi Folks, I am using the following method to calculate the amount of free memory available to BASIC: [CODE]PRINT 65536-USR 7962[/CODE] Is this the…

    ... the GOSUB stack is that value minus two; it's top ... />
    The ROM's TEST_ROOM routine (called from FREE_MEM) sets aside ... this would give an approximate value:
    [code]
    mcode: LD ...
    Battle Bunny Battle Bunny June 2011 Sinclair Basic
  • Calculating free memory...Hi Folks, I am using the following method to calculate the amount of free memory available to BASIC: [CODE]PRINT 65536-USR 7962[/CODE] Is this the…

    ... , in the original ROM. That routine doesn't exist in every ... this would give an approximate value:
    [/QUOTE]

    I ...
    Encarnado Encarnado June 2011 Sinclair Basic
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... master mouse ~~~~~

    ;this routine enable interrupt
    ;and use ... mouse port must contain same value. (For example read stable values ...
    velesoft velesoft June 2011 Development
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