-
appending data while saving to tapeBefore trying to do this I just wanted to check if there's a possibility that it might actually work. I have a number of string arrays which I want t…
... using a modified version of SA-BYTES would work, whereby when DE ... reaches zero in SA-LOOP, instead of jumping to ... finish at SA-PARITY, it pops new values ... -
New release of EmuZWinEmuZWin Version 2.6 Release 1.0 Beta? ? (30-Jan-2005): A lot of changes. Most important are: [+] Formats supported: RZX, SLT. [+] Sound devices sup…
... " because only works when standard SA-Bytes ROM procedure is called. Therefore ... -
Saving MCI want to save some code from memory with, for instance, SAVE "aname" CODE 40000,500 But I want it to load to 32768 with the LOAD "" CODE command (no…
... it out by calling the SA-BYTES routine from machine code. Your ... -
Creating a Spectrum game that won't load...Dear All, I have recently been using my ZX Spectrum as a reference for the production of a new body of art work and something I keep coming back to …
... 60000 ;( len = 140 bytes)
;SA-BYTES $04C2 Spectrum ROM
Tape I/O in z88dkAccording to the documentation, z88dk appears to have facilities in its spectrum-specific library for tape i/o - [url]http://www.z88dk.org/wiki/doku.…
... /> Jumps into the ROM's SA-BYTES routine at address 0x04c2. You ... story short, this saves "len" bytes of data at address "addr ... into the ROM's LD-BYTES routine at address 0x0556. The ...Supertest 128 - Loader QuestionI wonder if someone could explain (in simple terms please) :) , the purpose of the switch code. I see what is doing (going to 48k mode via spectrum)…
... an OUT ($fe),A in SA-BYTES. Does that seem a likely ...SAVEing without waiting for keypresshello, here's question for y'all. is there a way in BASIC to bypass the "Start tape, then press any key" prompt when SAVEing an array? sorry if it'…
... of m/code to call SA-BYTES at $04C2 directly; setting A ... byte at the end. LD-BYTES at $0556 uses the same ...SAVEing without waiting for keypresshello, here's question for y'all. is there a way in BASIC to bypass the "Start tape, then press any key" prompt when SAVEing an array? sorry if it'…
... by a simple CALL. The SA-BYTES ROM routine could be copied ... cut out; or else the SA-BYTES intro segment could be copied ... ROM at $04E8 after the SA-LEADER segment finishes; but once ... a modified version of LD-BYTES as well in order to ...Which BASIC commands/functions affect FRAMES?Hi Folks, Does someone have a definitive list of BASIC commands/functions that affect the FRAMES counter? The list I have so far: BEEP CAT (thanks…
... occurrences:
START, BEEPER, SA-BYTES, LD-BYTES, COPY, COPY-BUFF, NEW
BYTES and thus would do a ...Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…
The break points in SA-BYTES & LD-BYTES are shown below. If the ...Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…
... = start address
CALL $04C2 ;SA-BYTES
or
CALL $0556 ...Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…
... ]The break points in SA-BYTES & LD-BYTES are shown below. If ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... br /> CALL $0556 ;LD-BYTES
XOR A ;$00 ... address
CALL $04C2 ;SA-BYTES
LD A,$FF ;$FF ... start address
CALL $04C2 ;SA-BYTES - SCREEN$
HEAD_1: DEFB ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... produce any ill effects. LD-BYTES (and derived routines) seem to ... blocks around 20% faster, LD-BYTES still loads it; that's ... , mind.
Given that SA-BYTES needs to produce a data ... equivalent place, I suspect that SA-BYTES was written first, then LD ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... ]Y'know how LD-BYTES looks at the carry ... any ill effects. LD-BYTES (and derived routines) seem ...
[quote]Given that SA-BYTES needs to produce a data ... place, I suspect that SA-BYTES was written first, then ... LD-BYTES was written based on ...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…
... ROUTINES ----------------------------------------------
; THE 'SA-BYTES' SUBROUTINE
org 0x04c2
sa-bytes subroutine
; THE 'SA/LD-RET' SUBROUTINE ... />
; THE 'LD-BYTES' SUBROUTINE
org 0x0556
Saving and loading data in assembly.I want to add a save and load feature to an project I'm working on. Since it's not that much data in size I thought I'd use the ROM functions, but ho…
... $04C6 ; 17t - call ROM routine SA-BYTES+4 to skip break to ...Finding the length of loaded Bytes:Is there a way from BASIC of finding out how big a block of bytes loaded from tape was? i.e. - if you do LOAD""CODE and load in a lump of bytes, ca…
... how big a block of bytes loaded from tape was?
bytes, can you then find out ...Retro Bytes PR and other services.Hi folks, For anyone who is interested, I'm setting up a PR agency called Retro Bytes PR. We specialise in handling the press for small companies, p…
... a PR agency called Retro Bytes PR. We specialise in handling ...RETRO:BYTES Magazine.Hi Speccy people, Just in case you've missed it (which is likely), I'm working with Alten8.com and other investors to launch a retro magazine in Nov…
... . It'll be called RETRO:BYTES and there'll be eight ...Avoid "Program:" and "Bytes:" messagesI converted some original +D programs into TZX files. That works fine, but I'm worry about the "Program:" or "Bytes:" messages of the program blocks …
... worry about the "Program:" or "Bytes:" messages of the program blocks ...RETRO:BYTES download section.I've uploaded a temporary download page at [url="http://www.retro-bytes.co.uk/downloads.htm"]http://www.retro-bytes.co.uk/downloads.htm[/url] - I've …
... at [url="http://www.retro-bytes.co.uk/downloads.htm"]http ... ://www.retro-bytes.co.uk/downloads.htm[/url ...RETRO:BYTES Lite magazine cover.At last! I can say something... Well, we're on the home-straight with the 'Lite' version. You may see this here: [url="http://www.retro-bytes.co.uk…
... />
[url="http://www.retro-bytes.co.uk/Images/mockcover.jpg ... "]http://www.retro-bytes.co.uk/Images/mockcover.jpg ...Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…
... want to copy 4 bytes wide by 32 bytes high from the ... functions, one to copy 4x32 bytes to "store", Then one to ...RETRO:BYTES Lite... at last!R:B Lite is *finally* available to buy from [url="http://www.download-trader.com"]http://www.download-trader.com[/url] for just ?1 sterling! It comes…
... ="http://www.retro-bytes.com"]http://www.retro-bytes.com[/url]
RETRO:BYTES chat room!Right, I've started a PHP chat room at [url="http://retro-bytes.co.uk/chat/phpMyChat.php3"]http://retro-bytes.co.uk/chat/phpMyChat.php3[/url] for tho…
... room at [url="http://retro-bytes.co.uk/chat/phpMyChat.php3 ... "]http://retro-bytes.co.uk/chat/phpMyChat.php3 ...In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…
... Zaks code to order some bytes, and it works in "descending ... /> So, if I have the bytes "2,2,40,7,255 ... , I only need to sort bytes, not 16 bit numbers)
How to convert hex bytes to .. in assembly?I hadn't a clue what to put in the title so..., I have in memory 3 hex bytes #10 #34 #50, e.g.,[code][size=2]#6400 10 , 34 , 50 ; hex 25600 16 , 52 …
... have in memory 3 hex bytes #10 #34 #50, e.g ... a ridiculously easy 10-20 bytes piece of code that can ...
