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Spectrum / PC Serial Networking (on 128k, +2's etc)Hello there my fellow WoS'ers I have been looking around getting some system readyfor replay, and in one of these stints I notices a PC (RS232) Seri…
... ]-due to modern UART buffer size of 16 bytes vs. Spectrum ... buffer size of 1 byte as explained ... good enough. Plus the top size for ROM routines is 19 ... .info/cpcip/"]porting TCP/IP stack from Amstrad CPC to ZX ... -
Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …
... file header) desireable heap and stack size. This is allocated at the ... -
FN nesting error?While playing with FN functions that call assembly, I've found something weird. Check out this code: [code]10 DEF FN f(a,b)=a+b 20 PRINT FN f(FN f(…
... changing the program size would move the calculator stack, not the machine ... stack.
That bug ... . There are some other calculator stack errors listed, so it might ... -
How to safely maximise available memoryHi All, I'm toying with an idea that will require I have as much memory available as possible. I'm a little embarrassed I have to ask this tbh. As…
... memory you need for the stack, and place a magic number ... !
To size your stack, fill the stack space with a constant ... exercise everything, then inspect the stack space to see how much ... , bugs.
Edit: The stack is probably one of the ... -
Disable interrupts?Well, I've read the bits from the David Webb book about interrupt modes and (vaguely) appreciate the principles behind having a vector table, after r…
... />
I then set my stack pointer to 0 (so the ... the stack doesn't grow too big.
[/QUOTE]
[SIZE ... the routine rather than table.[/SIZE] -
A 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…
... /> #pragma output STACKPTR=53248 // place stack at $d000 at startup
void *u_malloc(uint size) { return malloc(size); }
void u_free(void ... -
name that game pt.45632right, I thought it might be Kwik Snax, but turns out it isn't. I think it's similar though and it might involve Dizzy, but I'm not sure. the main t…
[QUOTE=Jumping Stack;612046]It is Sergeant Seymour ... copy on ebay because I [size=1]definitely don't know ... to get hold of it[/size] because it's denied, yes ... -
My laptop crashed big style last nightAs the title says, my laptop crashed really badly last night. It all started when I realised that Norton stopped working, but was tell me it was ok. …
... .
A chip the size of your thumbnail that can ... have to mean burning a stack of CDs anymore and a ... -
My laptop crashed big style last nightAs the title says, my laptop crashed really badly last night. It all started when I realised that Norton stopped working, but was tell me it was ok. …
... .
A chip the size of your thumbnail that can ... have to mean burning a stack of CDs anymore and a ... -
1st quarter Games Club pollbest of the best, winner of the winners, top dog of some dogs. vote for your fave and send it through to the end of the year games club award event.…
[QUOTE=Jumping Stack;614092]The collective group misery ... think about... :p
*[SIZE="1"](Either that or half ... ] hanged themselves after playing it...)[/SIZE] -
Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
... programs of > 64k in size.
[quote]
Thanks ... linkage that does not require stack clean up following the call ... )
; de = char *delims
; stack = char *s (start of token ... -
I'm deaf!I've now went deaf in my right ear (again). I can't hear a bloody thing. I get this every few years, my ear canal is very narrow and i also get a wa…
[QUOTE=Jumping Stack;616974]Beanz is quite right. ... bit was easily twice that size! I should have taken a ... -
The most powerful 8-bit machine, and CPU?Further to the discussion in: [url]http://www.worldofspectrum.org/forums/newreply.php?do=newreply&p=621787[/url] What actually is the best 8-bit ma…
... architecture and to minimum feature size of transistors in the current ... location of zero page, small stack size, etc. z80>8080 (clearly ... -
How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…
... , and the block size should be so that the stack
is ... -
How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…
... the block size should be so that the stack is not corrupted ... -
number padding functionI wrote a number padding function in BASIC a while ago, but when I came to want it again I couldn't find it, so I've done this enhanced [url=http://w…
... like it. I got the size down a few days ago ... (to exactly the same smaller size, by some fluke) but with ...
;reorganise the machine stack so that this string
FN nesting error?While playing with FN functions that call assembly, I've found something weird. Check out this code: [code]10 DEF FN f(a,b)=a+b 20 PRINT FN f(FN f(…
... my attempt to reduce code size of this fix. I ... ; HL=top of (new) stack
push hl ... /> ldir ;restore parms from stack to DEF FN places
stack (HL,DE pushed before calling ...OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... HL bytes of room in stack (subtracting BC bytes from ... br /> ldir ;restore parms from stack to DEF FN places
ld sp,hl ;restore old stack (HL,DE pushed before calling ... track of the current code size.In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... mainly I save registers on stack and restore them before return ... , (in)BC - needed full stack frame size in bytes, (out) IX - the ... the return address on the stack
RET
;-----------------------------------------------------------
...In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... , mainly I save registers on stack and restore them before return ... single place to reduce code size, considering that the overhead to ... , otherwise ___AFTER_INVOKE will restore the stack to the wrong address!
In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... , (in)BC - needed full stack frame size in bytes, (out) IX - the ... the return address on the stack
RET
;-----------------------------------------------------------
... , (in)BC - needed full stack frame size in bytes, (out) IX - the ...SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…
... string parameters on the calculator stack, point CH_ADD to the name ... and BC the address and size of an initial string, then ... and BC the address and size of the resulting string at ...Games Club WC 18/6/12Jungle Fever - A'n'F Software Mastermind - M.S. Boboli M.Sc. Death or Glory - CRL Group PLC lot of games there, 3 in fact
[QUOTE=Jumping Stack;634724]Still a pit clearance ... you can make it!
[SIZE="1"]
*with the possible ... one highly esteemed Italian author [/SIZE]Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... bc ; next constant from stack
exx
... * (current write location)
; stack = char *string
... * (current write location)
; stack = char *string
... in overall code size. Not only that ...Switching 48/128 modes within a BASIC programI'm not sure what use this would be; ie. being able to switch between 48k and 128k modes and back again from within a continuously running BASIC prog…
... few opportunities to reduce the size, however I didn't test ... you want to reserve a stack position, or recover a value ...real value of some of these books as learning aids?Ok, I admit perhaps it was a late night and frustration. :???: I could have been hallucinating when i was doing the typein. But I think not.. [url]…
... was about 20 times the size..![/QUOTE]
Although it ... space is reserved on the stack and the fill routine exits ...Mini scroll routineI'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to …
... is not optimal in either size or speed.
[CODE ... ;save current line on teh stack
call nextlinedn ;and put ... address table and manipulates the stack pointer, so is a fair ...my tiny intros[IMG]http://pouet.net/screenshots/60493.png[/IMG] [url]http://pouet.net/prod.php?which=60493[/url] the following work will appear behind Demosplash…
... was obsessed - to continue intro size of 64 bytes, e.g ... /> push hl; stored on the stack
dec hl: ld e ... " look, which can reduce the size of the code:
l ... more convenient to raise the stack (1b/3b)
pop hl ...Wolfenstein / Doom for 48k SpectrumHi, is there any game / demo of this kind that runs on 48k machines? Thanks.
OK Guys, I've updated the TAP version to include digital audio by default, and moved the player code to Uncontended RAM making it sound much better.
I've also made the IDEDOS / +3 disk version which includes a cheat menu and in-game level skip ...
