-
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... fact it keeps a private stack too and doesn't even ... one 4K page (the basic size of a single Spectranet module ... -
recovering the stack after an errorMy normal error handler starts with the stack as reset by LD SP,(ERR_SP) in $0053 ERROR_2, sets up some stuff and returns to BASIC via a "JP C,$1e73 …
... error handler starts with the stack as reset by LD SP ... , I search back through the stack to find the error code ... $0058 and my routine the stack history gets overwritten by the ... SP,(ERR_SP) to protect the stack until I've dealt with ... -
A Miscellany of Dangerous TipsHere's a selection of ideas for using some of the more obscure system variables which I've found handy on occasion. They can be very convenient if us…
... />
To alter the size & location of DEF FN ... are local to that subroutine "stack", by resetting the hi- ... courtesy of the GO SUB stack. This lies beyond the ... of item on machine stack to be used as ... arrives at the GO SUB stack which, in blocks of ... -
Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... would also be twice the size, so that's no good ... ,b,1,a2 for calculator stack
ld c,(ix ... ,b,1,a2 to calculator stack
ld (23653),de ;STKEND ... -
CAT!RAM and PUTRAMLast year sometime I posted a couple of routines to: * catalogue the 128k RAMdisk in BASIC; * move RAMTOP and the stacks from BASIC. CAT!RAM and PUTR…
... -coded location & size, file save address & size, program size & auto ... preserving the m/c stack and GOSUB stack and BASIC variables; it ... -
Game of 1992 and stack upReally enjoyed stack up - Rodland is pretty, but I could not work out how to smash the baddies once I'd got all the flowers! So, is there a game of …
Really enjoyed stack up - Rodland is pretty, but I could not work out how to smash the baddies once I'd got all the flowers!
So, is there a game of 1992? Who would have been making them then - and who would have been buying!? -
Stack 100 Light Pen "not available for the Spectrum"I notice that WoS has the "Stack 100 Light Pen" in the archive, but according to the companies own advert, it is not available for the Spectrum: [ur…
... notice that WoS has the "Stack 100 Light Pen" in the ... out because I have a Stack 100 Light Pen, and it ... -
Enable 128kB paging in emulatorFrom Zx Spectrum documentation ([url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url]) [CODE][SIZE="1"]When memory is being pag…
... [/url])
[CODE][SIZE="1"]When memory is being ... should be disabled and the stack should be in an area ... the computer is reset.[/COLOR][/SIZE][/CODE]
I understand ... -
Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…
... assembled from 24000 mark. The stack shouldn't get very big ... -
Help me with this Stack overflow Freak Show.I am asking a simple question on Stack overflow and once again, the closed minded morons a pointing and tutting. I'm asking a question about C point…
... asking a simple question on Stack overflow and once again, the ... -
SpecBAS 0.802 Released!Hi folks - It's that time again when I release the latest round of features and bugfixes to SpecBAS :) New for this version are ZONEs which act ver…
... compare
Optimised the stack-machine which has gained a ... and consolidation - optimised package size on close
DECIMAL( ... EXIT didn't clean the stack properly and so caused issues ... extra keyword which caused a stack overflow
Fixed a ... -
Using the stack to blit bufferI was using a ldir to blit my back buffer to the screen RAM, and it was working pretty well if not rather slow. After reading about using the stack …
... /> After reading about using the stack to push and pop stuff ... -
Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…
... the buffer matches the screen size.
#
# ... self.restoreStackPointer() #7 - Restore the stack pointer
self.restoreRegisters() # ... />
#7 - Restore the stack pointer
def restoreStackPointer(self ... -
Zero 0.7 / Zero 0.6.5 releasedAfter months of grueling work, I?m proud to announce the Vanilla version of Zero, which is a regular Windows version of the emulator. I?ve tried to m…
... top of the recent file stack (v0.7).
* The tape ... image placement if Windows text size is increased.
? Fixed incorrect ... + TAB (karingal).
? Fixed window size incrementing by 100% instead of ... -
I think my stack is in the wrong placeHi Im using SDCC and my game crashes for no apparent reason in the compilation arguments I put --stack-loc 60000 but im printing SP to the screen and…
... the compilation arguments I put --stack-loc 60000
but im ... is the location of the stack right?
I want ... a way of getting the stack location using an emulator? -
Execution map file support in different emulatorsAs I'm now seeking about execution map files, the different emulators support, I want to start a new discussion here. Today, I tried to create a mem…
... /> file extension: *.map
file size: 8192 bytes, where each bit ... /> file extension: *.map
file size: 65536 bytes, where each byte ... br /> bit 5: =1 means stack reading
bit 6: =1 ... means stack writing
bit 7: reserved -
The right size for Standard Betadisk 48k TR-DOS v4 ROMs is 8k and not 16kHi Emulator-Authors, I just want to clarify, that Betadisk 48 ROMs TRDOS v4 ROMs has size of 8 kByte and not 16k Byte. Only TRDOS v5 (of Beta…
... TRDOS v4 ROMs
has size of 8 kByte and not ... ROMs the Emulators state the size of TRDOS.ROM is incorrect ... -
Advices for double buffering ?Hi, I'm currently coding graphics routines for a forthcoming game, I use a double buffer (the dummy screen is at $e000, the code at $8000) to pro…
... effects (sprites drawing) and the stack method to copy the dummy ... the real screen.
The stack method if faster than any ... />
Should I reduce the size of the screen ?
Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
... not important.
Routine size is 596 bytes total (has ... -13/ and mess with the stack:
[code]
ld ... , I'd probably use the stack version, but for multi-frame ...How to change font size in postsSorry I'm probably being a total duffer here, but what <></> wrapping do I use to change font size please?
Sorry I'm probably being a total duffer here, but what wrapping do I use to change font size please?Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
... /> {
SpecCIRCLE(128,96,size);
size = size + 5;
}
... and remove y from stack (necessary for CALLEE functions ... and remove x from stack (necessary for CALLEE functions ... push return address back to stack
LD ...How do I increase the window size in FUSE ?I put FUSE on my Windows 8.1 laptop but it's almost unusable cause it's running 256x192 :) How can I increase the window size ?
I put FUSE on my Windows 8.1 laptop but it's almost unusable cause it's running 256x192 :) How can I increase the window size ?BB Code in posts - How do I change the font size and color?Below the text input field it says you can use BB code in your post. [style size="15px"]You can't [/style] [style color=#FF0000]No really, you ca…
... your post.
[style size="15px"]You can't [/style ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... and TEXT could cause a stack overflow in some circumstances
size/shape
Fixed Filled polygons ...z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…
... CLIB_EXIT_STACK_SIZE = 0 // no exit stack
#pragma output CLIB_MALLOC_HEAP_SIZE ... output REGISTER_SP = 0xd000 // place stack at $d000 at startup
stack
#pragma output CLIB_MALLOC_HEAP_SIZE = 5000 // malloc heap size ( ...Reverse engineering "Stack Light Rifle"Hello I would like to reverse engineer the electronics inside the connector in the "Stack Light Rifle" to build adapters which can be used with mo…
... inside the connector in the "Stack Light Rifle" to build adapters ...[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... code is roughly the same size)? I could unroll my own ... a bit too, but code size is already close to the ... efficiency/speed without increasing code size much further. Remember this is ... . Cauldwell, it was abusing the stack pointer and using push/pop ...Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …
... games. Helps reduce snapshot compressed size. If stack
║ or PC are ...Someone knows the size limit of TAP files , TZX on emulators and real spectrum for saving blocks ?Hi Someone knows the size limit of TAP files , TZX on emulators and real spectrum for saving blocks ? The limit is the number of blocks or si…
...
Someone knows the size limit of TAP files , TZX ... do?
Is different size if we choose 48K, 128K ... example
ZXSPIN -> Size Limit XX Kb or max ... TZX file
BASINC -> Size Limit XX Kb or max ...Full size scansHi, I haven't been here for a long time and I see that several things have changed. Specifically I was surprised that there is no longer FTP an…
... to find) access to full size scans (600 dpi) and only ... any way to access full size images, as before?
