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DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
... but it would be on byte boundaries since the hardware doesn ... of the screen from the back buffer over where you are ... -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... afternoon until not a single byte of Fuse is in the ... of the Spectrum emulator scene back to the days of Gerton ... -
Zero (aka Ziggy) 0.4.5The 0.4.5 preview build is available for er... preview. There are still some bugs and glitches to iron out but I have taken various suggestions on bo…
... on: there's one flag byte at the front (to distinguish ... from data) and one checksum byte at the end, so therefore ... a block which is one byte long? The latter case isn ... something which could be loaded back by the ROM tape routines ... -
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 …
... -Drive (aka Genesis) was awesome back in the day. If you ... ... As an example, the first byte of work RAM for the ... -
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... interesting and took me right back to the 1980s. Amazing to ... to jump through back then to save a byte here etc. Mind ... -
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…
... before it could send correctly back to the PC UART. The ... site. I will need a back to BASIC option too as ... /> exx
inc hl ; Next BYTE
dec de ; Length -1 ... graphics I was working on back in day before the official ... -
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... interesting and took me right back to the 1980s. Amazing to ... to jump through back then to save a byte here etc. Mind ... -
Whole upper memory lostHi! I own a rubber key Spectrum with 48K RAM. Suddenly it lost it's whole upper memory. All diagnostic programs says that it's 16K model with workin…
... byte values, their inverse etc), and after each poke compare read-back ... , show values written & read-back (and perhaps address location). Binary ... -
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…
... /> SPR_xpos equ 0 ; BYTE
SPR_ypos equ 1 ; BYTE
SPR_def equ ... Key pressed!
ret ; Back to BASIC!
ld (hl),a ; Store back to screen
inc l ... /> djnz line ; DEC B and back to line
stack ... -
Spectrum ZX Games For SaleHi all, My dad has recently came across his Spectrum ZX and games upon delving into his stash of computers. Does anybody out there still use them,…
... (Silversoft)
Roboto (Bug-byte)
Confuzion (Incentive)
Rubicon (Bug-byte)
Hunter Killer Run Silent ... Agent XII : The Mad Profs Back (Mastertronic)
Hot Rasputin ... II (Mastertronic)
Back Packers Guide to the Univers ... -
Spectrum PackageHi all, I'm only new to this. My dad was a BIG spectrum fan years ago but unfortunately gave it up a long time ago. Going through some of his old st…
... (Silversoft)
Roboto (Bug-byte)
Confuzion (Incentive)
Rubicon (Bug-byte)
Hunter Killer Run Silent ... Agent XII : The Mad Profs Back (Mastertronic)
Hot Rasputin ... II (Mastertronic)
Back Packers Guide to the Univers ... -
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 +…
... last after putting my workbench back the way it was ... to only send a 2 BYTE value that is rounded ... fill the BASIC system 8 BYTE header with the file ... them, people turn their back on the little black machine ... because it would mean going back to tape and yes ... -
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…
... I wanted to use every BYTE of the Spectrum memory map ... of data (including WORD CRC) back to the PC. At that ... address in memory.
Quit back to BASIC providing you have ... -
Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... each starting with a one BYTE character count. A blank line ... be empty just needing a BYTE each to represent the count ... comments as space was limited back in the old days and ... I wrote that scroll routine back in 1990 so please don ... -
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
... /> 130 PRINT AT 15,0;"Byte quantity:";cby
140 GOTO ... the BASIC chunk as a BYTE BLOCK at any upper ... tweaked to expect for a byte block and not a ... even CHR$) of the BYTE BLOCK would spit the BASIC ... recorder and the rubbery thingie back then; no disks, no ... -
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…
... ebp+PROFILE_start]
movzx eax,byte [ebp+PROFILE_fill]
movzx ... ebx
cmp byte [ebp+PROFILE_mode],COPY
je ... dec hl ; Fill so step back one BYTE
ld a ...
inc hl ; Undo step back
jr .next
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
... now points at the last byte of the BASIC program area ... : ld ix, l_5b4b ; Fetch first byte of loaded header
ld ... (if there are any, first byte after program area otherwise).
back in '85 ;-)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…
... nothing. I am now back to the point where I ... SNA_iff equ 19 ; BYTE
SNA_r equ 20 ; BYTE
SNA_af equ ... /> SNA_int equ 25 ; BYTE
SNA_border equ 26 ; BYTE
SNA_listlen equ ... BC
mov byte [iff2],243 ; DI
test ...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…
... restore the +3/2a ROM back to an original 48K Spectrum ... to restore +3/2a ROM back to an original 48K Spectrum ... />
; --------------------------------------------------------------------------
; 12 BYTE memory remap table.
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…
... be often. I am holding back most of the main features ... example. If you change one BYTE of the code then it ...BMP2SCR delta formatdoes anyone know where I can find a file specification for LCD's delta compression format used in BMP2SCR? I've tried looking at the bmp2scr source …
... first time.
But now back to topic.
You are ... .
"changed"=2 bytes+the byte count that is stored in ...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…
... /> SPR_xpos equ 0 ; BYTE
SPR_ypos equ 1 ; BYTE
SPR_def equ ... Key pressed!
ret ; Back to BASIC!
ld (hl),a ; Store back to screen
inc l ... /> djnz line ; DEC B and back to line
stack ...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…
... /> SPR_xpos equ 0 ; BYTE
SPR_ypos equ 1 ; BYTE
SPR_def equ ... Key pressed!
ret ; Back to BASIC!
ld (hl),a ; Store back to screen
inc l ... /> djnz line ; DEC B and back to line
stack ...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…
... /> lr_lp: ld a,(de) ; read byte at destination
and $0f ...
ld a,(hl) ; get byte of font[/COLOR]
[COLOR ... /> ld (de),a ; write it back[/COLOR]
In a ...ZX-Editor, Blockeditor and Paintbrush 2.0 publishedDear ZX-Spectrum & Emulator friends, yesterday I've uploaded new versions of - ZX-Blockeditor - ZX-Editor - ZX-Paintbrush on my website at [URL="h…
... lot stopped working a while back. In the blockeditor I used ... but the one a while back would not allow it. Can ... insert underscores i edit the byte to "95" in the bytes ...Activision's Ghostbusters (1984 version)Did anyone ever manage to work out (or hack) the account numbers? If so, are they the same for the 1986 rehash?
... are required.
1st byte (msb) = BCD of thousands and ... hundreds digits
3rd byte (lsb) = BCD of 1e5+1e4 ... digits
2nd byte = checksum of account name chars ... code tends to change these back to $0.
I ...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…
... I'm busy again now, back in work). As mentioned, it ... 's also fortunately a 25-byte gap in upper memory (in ...Where's it all going?[Rerouted from 'Assembler Intricacies' in Development Forum] [QUOTE=Timmy;506104]I don't think we're in disagreement here. As I've said it's a niche…
... these routines is a cut back in the number of sprites ... to discover that every last byte was being used to produce ...
