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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 ... -
OT : Probs with XP useraccount from a diff. HD. SOLVEDOk ... I have a new computer and I took out the HD from my old computer and installed it on the new one. I had a username/pw when I logged on the ol…
... " and the folder has 0 bytes in it. I have all ... my old CPU case and disable the user? That's right ... -
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 ... -
Help! BREAK KEY disable?Someone has asked me... Is there a poke or routine to disable the Break key in 128K BASIC?
Someone has asked me... Is there a poke or routine to disable the Break key in 128K BASIC? -
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 ...Z80 -- disable printing?Does anyone know a way (config setting or patch) to disable ZX Printer emulation in Gerton Lunter's Z80 version 4? Without disabling RS232 (print-to…
... (config setting or patch) to disable ZX Printer emulation in Gerton ...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)
Q. on WinXP logon screen (how to disable?)Aaaargh! I am sitting in front of an annoying computer. It's driving me crazy! How the f-in A does one disable the stinking logon screen (the "cla…
... f-in A does one disable the stinking logon screen (the ...Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…
... in a similar way to disable all onboard memory - like ROMCS ... , as then you could selectively disable CPU access to any piece ...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 ...128 ROM paging alternativeWould this work (with the appropriate code in each ROM)? [code] ; 128 rom paging routine ; use rst 28h with call address stored after restart ;;rom…
... /> ex de, hl ; skip two bytes
inc hl ; to create ... holds port address
di ; disable interrupts for page
out ... holds port address
di ; disable interrupts for page
out ...So... you want to format your 3.5" as 720K eh?Well, i've been trying to get hold of an application to make proper use of my 3.5" +3 floppy disks but i haven't been able to find any. I stumbled up…
... LD BC,495 ; Additional 496 bytes to transfer but with this ... LD (HL),$E5 ; The remaining bytes will be filled with $E5 ... ; Main +3DOS access subroutine - Disable interrupts before paging
PUSH ...FUSE fails to save "Bytes:" files that can be converted to .tapI have been running FUSE with the OCP Assembler loaded. When I save the Assembly listing from OCP, I see border colour and noise of a proper save. So…
... .20 sec
Length: 139555 bytes
Bits in last byte ... sec
Data length: 19 bytes
Pause length: 1000 ms ... sec
Data length: 2541 bytes
Pause length: 1000 ms ...Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... 32769 (OFF).
di ;Disable interrupts
ld a ... ,
;set 65024..65280 (257 bytes) to '253'
ld hl ...
push hl ;Write 8 bytes from registers
push de ... /> push hl ;Write 8 more bytes from registers
push de ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... Spectrum Manual.
Some instruction bytes, like 201 for 'ret', ... /> Some instruction bytes need one or two bytes of data afterwards ... do.
Some instruction bytes need a further instruction ... the keyboard is 'di' = 'disable interrupts. Its opposite is 'ei ...Magic Bytes - German or British?There is one strange thing :) When I look for the game Tom and Jerry, in the entry it says that Magic Bytes is a UK company. But when you select t…
There is one strange thing :)
When I look for the game Tom and Jerry, in the entry it says that Magic Bytes is a UK company.
But when you select the company itself, it's from Germany! :D
Any idea?I cannot disable "Load Disks Automatically" in ZX SpinI want to disable the automatic loading of disks in ZX Spin, but cannot succeed. Every time that setting checks it back on by itself. Is this a bug …
I want to disable the automatic loading of disks in ZX Spin, but cannot succeed. Every time that setting checks it back on by itself.
Is this a bug somewhere, or I have to configure something elsewhere ?
CristiA z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how easy it actually is. (Actually I've already published this one some time ago, but this time the source is ...joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…
... 65136 to enable, 65146 to disable.
Only for use ... 2
RET
DISABLE:LD A,$3F ;65146
bytes
inc hl ;with spaces ...Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... />
switch_on:
di ; disable interrupts
push af ... /> push hl ; write 16 bytes
push de
... /> incbin "screen.bmp" ; 6144 bytes of in order bitmap
incbin "screen.atr" ; 768 bytes of attributes
org ...Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…
... /> --disable-warning 85 \
--disable-warning 84 \
--disable-warning 112 \
--disable-warning ... : .word 1
;; 1024 bytes of operating system stack
BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... (thus a total of 704 bytes) for a single image. This ... />
// draw background screen and disable tile map areas accessible to ...
