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<1…14151617181920…34>
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... [code]
    MEMORY {
    rom (rx) : ORIGIN = 0x0000, LENGTH ... /> . = 0x4000;
    } > rom
    .data : {
    *(.data) ... crt0.s
    ; zx spectrum rom startup code
    ;
    ...
    .org 0x0000 ; rst 0x00
    di ; disable ...
    tstih tstih January 2011 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... similar to IF1 calls using RST) to provide heap services to ... ... right there in the shadow rom to copy and modify a ...
    tstih tstih January 2011 Development
  • Need in beta-taster`s helpHello to all. I have developed hard-soft emulator of ZX Spectrum 48, but there are problems in work. My topics is: [url]http://www.worldofspectrum.or…

    ... . If you search Geoff's ROM disassembly for L2DE3: you should ...
    [*]CP (IY+d)
    [*]RST $28
    [*]JP M,addr ...
    Jimmy Jimmy February 2011 Emulators
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... want to avoid using the rom. Its going to be doing ... 'd want to avoid the ROM. Sure, the standard PRINT routines ... print in A then use RST 10. That should work fine ...
    chev chev March 2011 Development
  • SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…

    This stub is for dual ROM machines (such as the grey + ... Basic but store it in ROM-1. You can fill the ... read from the SE Basic ROM is RST 0h.
    chev chev April 2011 Sinclair Basic
  • This might be something new[img]http://www.711chan.org/test/src/130427925559.png[/img] Have a look at this screenshot of my emulator ZX82. Notice the copyright message? That's…

    ... replacement for the ZX Spectrum ROM.[/quote]

    Well ... accesses the math via the RST 28H call.

    ... which are not stored in ROM) and have something pretty ... anything that goes via the RST 10H call. With a ... printed goes via the RST 10H call.
    chev chev May 2011 Emulators
  • DIVIDE - source code of new FATWARE 0.14[B][U][SIZE="5"]Source code of FATware system is now free.[/SIZE][/U][/B] BAZE (author of FATWARE) release source code of last version FATWARE 0.14 …

    ... /> Exist also device with possibility rom emulation in ram - it's ... -16383 (possible switch same rom code with different zx font ... mode (replace zx rom with ram3+ram2 pages)
    RST 0 ;reset ... then will possible uninstall custom rom and return to original divide ...
    velesoft velesoft May 2011 Hardware
  • New game! Nanako in CJMC for ZX81!Yup, that's true. We've been busy in crafting a nice, small, simple library to code games in text mode (this is, standard, unexpanded) for the 16K ZX…

    ... to replace RST 16 to use with UDG and standard ROM-character ...
    ld a,$1E ;restore ROM pattern table pointer
    ld ...
    Dr BEEP Dr BEEP May 2011 Brand new software
  • Frank N SteinThis one > [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001849[/url] Always seems to crash about level 7 (maybe a bit more) or so with an …

    ...
    LD A,21
    RST $10
    LD HL,colour ...
    LD A,L
    RST $10
    CALL 7341 ($1CAD ... #2 and exits via the ROM routine 'TEMPS').
    Unfortunately if ...
    Jimmy Jimmy May 2011 Games
  • 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 …

    ... , is there a list of ROM entry points which changed? at ... changing color (not sure about RST #10, but i think that ...
    Ketmar Ketmar May 2011 Sinclair Basic
  • 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…

    ... to jump into the ROM at non-standard entry ... /> ;TEMPS is the standard ROM routine at 3405
    ... ; 27944 62 16
    RST 16 ; 27946 215
    ... the ZX FP calculator
    RST 40 ; 28054 239
    ... 248
    ;BEEP is ROM routine at 1016
    ...
    Jimmy Jimmy May 2011 Development
  • OpenSE Software CompatibilityWith the earlier Open82 project a page was set up on Wikia ([url]http://scratchpad.wikia.com/wiki/Open82[/url]) with compatibility information on var…

    ... =aowen;540175]Given that the ROM has routines that sometimes start ... 16K or even 48K of ROM). All you'd really need ... was somewhere (preferably a RST point if one is free ...
    AndyC AndyC June 2011 Sinclair Basic
  • OpenSE Software CompatibilityWith the earlier Open82 project a page was set up on Wikia ([url]http://scratchpad.wikia.com/wiki/Open82[/url]) with compatibility information on var…

    ... 16K or even 48K of ROM). All you'd really ... was somewhere (preferably a RST point if one is free ... four contiguous bytes of free ROM space, but you could ... it so that the alternate ROM would deal with syntax ... as valid by the standard ROM. You could also override ...
    chev chev 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 …

    ... in the ROM.
    3) Recursively call PRINT-A with RST-10 ... to you then read the ROM disassembly until it does. Someone ...
    chev chev 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 …

    ... in the ROM.
    3) Recursively call PRINT-A with RST-10 ... to you then read the ROM disassembly until it does. Someone ...
    ooze48k ooze48k 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 …

    ... of Character P in Sinclair ROM
    ld de,20735
    In deference to fans of RST 10 I will admit this ...
    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 …

    ...
    By Calling the ROM routines that make up Sinclair ... to appear. The ROM routines ARE Sinclair BASIC ... more RST 16 Control Codes. I avoid the ROM like ... the plague but.....
    [CODE] ld a,16
    rst ... ld a,4
    rst 16[/CODE]
    ...seems ...
    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 …

    ...
    call 3503 ;ROM routine to clear the screen ... 22 ;AT INSTRUCTION
    RST 16 ;FAST CALL, don' ... SECTION OF SCREEN)
    RST 16 ;
    LD A ... ,6 ;COLUMN
    RST 16 ;
    ld bc,( ...
    These codes before RST 16 or in the defbs ...
    R-Tape R-Tape June 2011 Development
  • Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…

    ... can be accessed through a ROM-call with a few routines ... program
    ret z
    rst 16 ; display key (also ENTER ...
    Dr BEEP Dr BEEP June 2011 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... uk/zx82.htm"]Spectrum 48K ROM[/URL] is implemented as ... hl), b ; reset AT_FLAG
    rst 8 ; error "B Integer out ... now depends on the 48K ROM, everything still works just ... automatically to the 48K ROM prior to executing anything.
    Einar Saukas Einar Saukas July 2011 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... (hl), b ; reset AT_FLAG
    rst 8 ; error "B Integer out ... it somewhere else), but the ROM doesn't seem to handle ...
    Einar Saukas Einar Saukas August 2011 Development
  • checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…

    ... BC,16 ;new len
    RST 48 ;MAKE_ROOM 00048
    POP ... be found in ROM, I think! (Note: 48K ROM used)
    The ...
    roko roko September 2011 Sinclair Basic
  • checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…

    ... =roko;563447]
    [CODE]
    RST 48 ;MAKE_ROOM 00048
    [/CODE ... be found in ROM, I think! (Note: 48K ROM used)
    [/QUOTE ...
    mattsteel mattsteel September 2011 Sinclair Basic
  • User Defined GraphicsCan someone please give some very simple code for a displaying a UDG at a location on screen? Any assistance would be greatly appreciated. Sincerely…

    ... Ooze, if you're using ROM calls you need to point ... routine for printing chars (the rst 16 thing) just using the ... fonts for Stamp Quest). The ROM calls can cause problems and ...
    R-Tape R-Tape September 2011 Development
  • Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…

    ... text printing routine that used RST 16, with the ASCII code ... just how much stuff the ROM routine does and I thought ... using the character set in ROM just for simplicity's sake ...
    Zoltar Zoltar September 2011 Development
  • IN or INKEY ?just curious which is better to use.. I have a menu done.. and use 6/7 to go up down it + space to cycle thru the options (using inkey).. obv. if I w…

    ... stack the logical operator, call RST $28 and then call FP_TO_BC ... 16 bits & strings in ROM
    roko roko October 2011 Sinclair Basic
  • AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…

    ... with PASMO

    ;Rutinas ROM
    STK_TO_BC equ 2307h
    jr z,DoXOR
    rst 8 ;If not, emit a ...
    mcleod_ideafix mcleod_ideafix October 2011 Sinclair Basic
  • FN nesting error?While playing with FN functions that call assembly, I've found something weird. Check out this code: [code]10 DEF FN f(a,b)=a+b 20 PRINT FN f(FN f(…

    ... ]SZX snapshot with patched ROM and BASIC test code[/ ... at the beginning of the ROM spare area, located from ... call FN error in ZX ROM.
    ;(c)2011 ... the workspace and the RST 18h routine for allocating ... SCANNING as in the original ROM code.

    - ...
    mcleod_ideafix mcleod_ideafix October 2011 Sinclair Basic
<1…14151617181920…34>

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