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Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
... above assembly. From BASIC it is being called with a PRINT USR ... -
Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
The following is one small routine to educate myself on a ... -
how to reflect a byte's bit-pattern in assembly?I'm trying to use 16 pixel-wide graphics which are symmetrical around the vertical, i.e. if the left byte is 01001110 the right byte will be 01110010…
... there a fast way in assembly to generate the right byte ... -
Keyboard Input$/scan problemHi, I'm finally fulfilling my promise to get a reasonable understanding of the Speccy and embarking upon attempting a few simple routines in Assembl…
... a few simple routines in Assembly. My current study aids are ... listing below is of a routine that changes border colour based ... '!
With the altered routine running, I then noticed that ... -
How does the Speccy deal with the Character Set?Hi All, Can anyone spare a little time to explain to me the basic Assembly method of how the Speccy interprets and retrieves Characters to print on …
... Assembly method of how the Speccy interprets and retrieves Characters to print ... -
AY tracker routineHi. Yesterday i played with some ay tracks and was surprised how big are tracker routines and music data (over 1.5KB for Pro Tracker routine and 4-6 …
... 1.5KB for Pro Tracker routine and 4-6 KB for ... demo coders were satisfied with routine which takes more than 15000 ... -
Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …
... line will be solved in print routine)
3) remove all characters ... -
Channels and streams - reading dataThe FAQ here - [url]http://www.worldofspectrum.org/faq/reference/48kreference.htm[/url] - seems to be just a touch inaccurate when it comes to readin…
... />
It says "The input routine must return data in the ... seems. If I write a routine to return data to a ... and set the carry flag, PRINT INKEY$#4 shows "?" rather than ... the ROM's ADD-CHAR routine, at least that's how ... -
Assembly code in The TerminatorSo I was watching The Terminator on T.V today. What a great movie eh? Anyway, towards the end of the movie when the terminator reaches the Tiki Mot…
... the readouts looks like an assembly language listing complete with ORG ... says the readouts were "primitive assembly language program code, probably from ... /> Anyone knows which microprocessor the assembly language code was for? Yes ... -
can someone help with a rom routinei have been trying to draw a simple line with a the rom routine , but i just cant get it to work , so if anyone can give me an example in z80 that wo…
i have been trying to draw a simple line with a the rom routine , but i just cant get it to work , so if anyone can give me an example in z80 that would be great
TIA
CodenameV -
BigBadMick's first ebook - Dark Isle (out in print at end of Sept 09)I've just published an ebook with Damnation Books. My website for the ebook's here: [url]http://bigbadmick.tripod.com/index.htm[/url] There's a 50…
... . It's coming out in print at the end of September ... -
A typical sprite listing to analyse, please?Hi all, Would anyone be interested in helping out with my ongoing Assembly studies by posting up, posting a link to or mailing me a typical sprite l…
... helping out with my ongoing Assembly studies by posting up, posting ... , I'm looking for a routine that would show the 'mechanism ... -
Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…
... having difficulty understanding the outputed assembly code.
When ... trying to understand why the routine crashes after the music stops ... like to add a short routine to stop the playing ... (just prior the "finrsi" routine)... The Problem is, I don ... -
ZX80 Pause Routine?I read this in the first issue of Sinclair User... "Ken MacDonald's [I]Amazing Active Display[/I], a machine code pause routine, showed that there w…
... [/I], a machine code pause routine, showed that there was more ... know where or when this routine was first published? In a ... -
Great Speccy Demo - With Documented +3 Disk loader routineEveryone here should check this out. Its a demo called "condommed" which I have just finished converting from TRDOS disk to tap file and +3 disk. It …
... my +3/+3e disk loading routine in it.
Condommed ... -
Silent ROM Beeper Routine in SpinA new year -- a new idiot question! :) I've been playing around with Spectrum sounds of the old, beepy kind. When I wiggle[1] the speaker 'by hand' …
... Specrum's own ROM 'BEEPER' routine (48k ROM) in Spin 0 ... -
Which ZX Spectrum setup?I'm building a semi-pro laser setup, with.. a ZX Spectrum as controller! [url]http://gathering.tweakers.net/forum/list_messages/1297705[/url] (I'm no…
... ), MB02+IDE
c. ZXL Print III
d. Some edge ... parallel port, and the ZXL Print III do not work together ... ?? I still could continue with assembly of course
- Setup 2 ... -
Spectranet updateWell, I've not put an update in here for too long, so here's a summary of what's been developing ... * A snapshot manager module. Basically, you can…
... library, such as a resolver routine (gethostbyname, to convert a hostname ... stencils made up to speed assembly.
* Write some manual pages ... -
Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere? Most games and adventures that use fill routines were considered slo…
What is the fastest fill routine you've ever seen? Is ... />
Example of slow fill routine: The one in 'The Hobbit ... searched the forums for 'fill routine'.[/SIZE] -
Bit functions speedI just stared nonplussed at the documentation for the bit functions. Apparently, if you're using the accumulator, using AND and OR is faster than se…
... , hush. I'm still learning assembly. It takes me days to ... a few hundred bytes of routine still; and finding a way ... -
machine code player routineHi all, Collecting all my courage to ask more (rather stupid attitude from me, but so difficult to ask questions and bother other people, don't unde…
... uses 23760 to call a routine and 23760 is old method ... need similar kind of playing routine ie. saved to first REM ... address XXXXX,
calls playing routine (without saving) to output the ... or how to do the routine itself.
Any suggestions ... -
ZX Basic 1.2.5 - a BASIC CompilerWell, my old post about ZX BASIC seems to be gone (maybe this phorum purges old threads?), so I started a new one. After more than 6 month, I've fin…
... the least, a 42 column PRINT routine (ripped from somewere, and contributed ... -
'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... make the classic 'Hello World' print with ASM code ?
I ... the PRINT AT way must be used, but using some ROM routine ... -
Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... /> the way to start this routine is easy now for me ... 2...
call $1601 ;to print in the screen
"Programming the Spectrum in Assembly" series in Micro MartI see that Shaun Bebbington is starting a series of articles in Micro Mart magazine on how to program in assembly for those who might know a little b…
... on how to program in assembly for those who might know ...clarification needed of assembler graphics routineI was wondering if someone used to coding animated graphics in assembler can take a look at [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/as…
... /~jg27paw4/pourri/asmchunk.txt]this routine[/url] and explain what the ...Problem with PRINT #stream on +128kWorking on a +128k, I want to choose whether all report output goes to screen or printer, so I use PRINT #stream where stream = 2 or 3 for screen or …
... printer, so I use PRINT #stream where stream = ... :
LET stream=3: PRINT #stream;"stuff"
either ... , then repeatedly call the print subroutine with GOSUB 1719, ... ,8 etc. This is the print subroutine:
[code]
PRINT #stream;FN p$(i);: ...problem with DEFADD storageI have a function: DEF FN t(t$,m,t)=USR t which is called with, for an example: LET bc=FN t("t$()",mcworkspace,mcputt) where, at the time: mcworkspac…
... held as 907F580000. The USR routine is therefore not working as ... $,m,t)=m, and then print bc, it returns 65368.
