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  • Another machine code problem, sorry[CODE] OPCODE HEX ADD LD A,00 3E00 F000 PUSH AF F5 F002 LD B,05 0605 F003 LD C,06 0E06 LOOP F005 POP AF F1 ADD A,C 80 DEC B 05 …

    ... process the file using the assembler. They all has documentation where ... '. Depending from an assembler features, you can get binary output, or snapshot ...
    Shiru Shiru September 2010 Sinclair Basic
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... ,1 will save the assembly output to the hard-drive. I ... ) which is a full Z80 assembler. Now the nnn value on ... converter to turn the P2 output into a .Z80 file so ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • Help with loaderHelp! I have been racking my brains for too long, and so it?s time to ask for help. Kyd Cadet II is about 98% complete now and I am trying to put to…

    ... select change the resulting code length. Having selected the one I ... - code block only" for the output then.

    If you ...
    ccowley ccowley October 2010 Development
  • Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…

    ... for code start and code length, I wasn't really sure ... 'd have to load some assembler editor/compiler first? If so ...
    ZXMrk ZXMrk October 2010 Development
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... ; HL = Destination
    ; > DE = Length (can be NULL)

    ld a,00000000b ; Output
    out (c),a
    ; > BC = Length (NULL = 65536)

    ; < ... ;

    dec bc ; Subtract length
    ld a,c
    ASM ASM October 2010 Hardware
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... my perfered text editor for assembler ever since. P2 is ... of F8.

    THE ASSEMBLER:

    The built in ... minimum.
    Internal P2 assembler with output mode set to hard-drive ... have anymore information on the assembler directives used by the Z80 ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... code, a 68000 (aka 68K) assembler and a good emulator - 'Gens ... = Destination...
    ; > D3.L = Length Words...

    dma
    ASM ASM October 2010 Sinclair Miscellaneous
  • z80 machine code assemblerHi everyone, Which assemblers have a nice user interface. Because i want to code in assembler on the computer and then assemble it. I dont want a co…

    Design-design's Zeus...

    [url]http://www. ... good text editor and cli assembler myself. I did a quick ...
    kilauea kilauea October 2010 Emulators
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... probably know this already, but assembler and machince code are sort ... in practise for people); assembler is just a way for ... code (through an assembler, I used to use Zeus, then went on ... the Spectrum. For most purposes, "assembler" and "machine code" mean the ...
    ewgf ewgf October 2010 Sinclair Miscellaneous
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... />
    Here is some x86 assembler defining the above method in ... /> ; > EDI = Pointer to sort output
    ; > EBX = Field offset ... ]

    Notes on x86 assembler:

    MOV = Move x ...
    ASM ASM October 2010 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... . Although I've never written assembler for either of those, they ... data bits)
    * No variable length instructions, every instruction exactly 32 ... "pop" the reverse. (In the assembler I'll define pseudo-instructions ...
    Winston Winston October 2010 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... can probably be implemented in assembler macros if you really want ... really compact instruction set (variable length instructions, single instructions doing lots ...
    Winston Winston October 2010 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... to real-time create Run Length Encoded 24 BIT RGB data ... br />

    ; Record Run Length Video using dirty rectangles.
    output always mono.

    < ... /> fstp qword [edi+edx*8] ; Output sample
    fadd st0,st1 ...
    ASM ASM October 2010 Development
  • designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…

    ... lines of I/O (input/output). This would allow the CPU ... opcode. It initially took the length of Metallica's "...And Justice ...
    ASM ASM October 2010 Chit chat
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... be programming generic code in assembler on high end Intel/AMD ... mainly targeted at backend compiler output. I think I'm the ...
    ASM ASM October 2010 Development
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... ,string
    ld bc,6 ; Length of string (must be correct ... suppling the above sourcecode. The assembler that you use to create ... 'DS'. The help for your assembler will tell you about the ...
    ASM ASM November 2010 Development
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... I used Aspect and then Zeus on tape for my 48k ... 't actually settled on an assembler yet, so I have SJasmplus ... />
    I think choosing an assembler is quite personal. I also ... books use directives that one assembler doesn't support, so have ...
    kilauea kilauea November 2010 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... only get away with using assembler for everything as I have ... compiler cannot match the code output specification... BTW - I am not ... is the problem with compiler output. A compiler is a middle ...
    ASM ASM November 2010 Development
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... work around the editor/cross-assembler/emulator process. This is going ... all I used to use Zeus from tape on a 48k ... more productive using the editor/assembler/emulator process and then testing ...
    kilauea kilauea November 2010 Emulators
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... and the O.C.P assembler with a turn around of ... a small amount of x86 assembler away... The +3DOS version of ... such as storage and input/output. Bridge that gap between the ...
    ASM ASM November 2010 Emulators
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... you're looking at (frame length, R register) were accurately emulated ... myself. I was last writing assembler when I was 14 - which ... from the O.C.P assembler out of the mic port ...
    ASM ASM November 2010 Emulators
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... /> The Spectrum +3 tape/sound output is horrendous! There is no ... , I have to get the length in BYTES for each entry ... BYTE header with the file length, I have to get it ... bells and whistles for input/output unlike the original 1982 version ...
    ASM ASM November 2010 Emulators
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... 3 snapshop files return NULL length).
    Upload single files of ... O.C.P fullscreen editor/assembler tokensized data into MS-DOS ...
    ASM ASM November 2010 Hardware
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... /> 3060 BYTES saved

    Length: 39218
    Origin: 26318
    output buffer. The last memory fill ... ,[output_buffer_ptr] ;
    mov eax,edi ; Length
    sub eax,edx ;
    ASM ASM November 2010 Sinclair Miscellaneous
  • Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve

    ... time I've played with assembler in quite a few years ... de, $0011 ; 17 bytes - the length of a BASIC block header ... otherwise).
    add hl, de ; Length of BASIC is at $5B5A ...
    ld de, (TOT_LEN) ; DE = length of BASIC block to load ...
    stefrobb stefrobb November 2010 Sinclair Basic
  • Oscilloscope Speccy ProgramHi all, I remember very well in the old days when my Speccy was my single computer (around 1992) that I have had an oscilloscope software. This uses…

    ... being 1 BIT. Interpolating the length of time between phase changes ...
    mov [edi+2],ax ; Output

    add esi,2 ...
    ASM ASM November 2010 Sinclair Miscellaneous
  • LCD interfacingHas anybody interfaced [url=http://mdfs.net/Info/Comp/LCD]an LCD[/url] to a Spectrum? I'm toying with putting together an interface, a small 32x8 dis…

    ...
    CALL INSTR ; output instruction
    LD B,# ... delay
    CALL INSTR ; output instruction

    LD ... LD B,#MSGEND-MESSAGE ; mesage length
    WRITE2:
    CALL ... ; done

    INSTR: ; output instruction
    CALL DELAY ; wait ...
    roko roko November 2010 Hardware
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ... time when I tested the output on Spectaculator. Obviously the x86 ... /> 1691 BYTES saved

    Length: 40549
    Origin: 24987
    ASM ASM November 2010 Announcements
<1…16171819202122…34>

Latest Posts

  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
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    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
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    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
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  • 1992 Spectrum Software
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  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
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Word Docs Hits
zeus 1.1K 1.5K
assembler 4.6K 7K
output 9K 13.1K
length 3.8K 7.1K

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