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Beepola 1.07A new version of Beepoa, v1.07, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.63MB zipped exe, no installe…
... ) were causing the
interrupt vector table to be overwritten, and were ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... interrupts, I think the normal interrupt can run fine. But keep ... of a 257 byte im2 table.
Long story short ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... 257 bytes for the IM2 table
[/quote]
SPLIB ... />
The memset() fills the table with $d4 bytes. The z80 ... .
This 257-byte table containing the same byte has ... interrupt occurs which is then used to index into the IM2 table ... -
Mountains of Ket - Written in Basic?Was Mountains of Ket written in Basic? And if so is there any way to break into it? The parser's pretty impressive, I want to see how it was done.
... block there's a little interrupt routine at 62720 which just ... if one occurs, a vector table, the vocabulary, a few routines ... -
Mountains of Ket - Written in Basic?Was Mountains of Ket written in Basic? And if so is there any way to break into it? The parser's pretty impressive, I want to see how it was done.
... block there's a little interrupt routine at 62720 which just ... if one occurs, a vector table, the vocabulary, a few routines ... -
IX register - using/problemsAre there any rules on using the IX register? Are there any restrictions on the memory locations that it can access? Yes, I know it's slower than us…
... to set up a vector table for IM2, in a worst ... 257 bytes plus whatever your Interrupt Service Routine itself takes. -
IX register - using/problemsAre there any rules on using the IX register? Are there any restrictions on the memory locations that it can access? Yes, I know it's slower than us…
... to set up a vector table for IM2, in a worst ... 257 bytes plus whatever your Interrupt Service Routine itself takes.[/QUOTE ... -
IX register - using/problemsAre there any rules on using the IX register? Are there any restrictions on the memory locations that it can access? Yes, I know it's slower than us…
... to set up a vector table for IM2, in a worst ... 257 bytes plus whatever your Interrupt Service Routine itself takes.[/QUOTE ... saves having a 257 byte table in your own code.
Border Tron vector tableI've been trying to use the Border Tron border creator, but the vector table is created where code to my game is at (FE00 I think), how would I go ab…
... border creator, but the vector table is created where code to ... well![/QUOTE]
The table has to be located at ... significant byte.
The table itself contains all the same ... address x*256+x on interrupt. The table contents you probably won ...Border Tron vector tableI've been trying to use the Border Tron border creator, but the vector table is created where code to my game is at (FE00 I think), how would I go ab…
... br />
; Put interrupt vector table at $FE00
ld hl ... you like between $80 (vector table at $80 * 256 = ... 32768 ), and $FE (vector table at $FE * 256 = 65024). ... intructions synced to the interrupt, same as my ...****ing Awesome Spectrum Engine (FASE)This is a new engine (sprites, tiles, map) for all ZX Spectrum machines. The engine set ups a runtime enviroment that leave between 24K and 30K byt…
... br /> fd50-fdff Y coordinates table
fe00-fe7f sprites main ... always ffff for im 2 interrupt
ff01-fff0 relocatable ... br /> fca0-fdff Y coordinates table
fe00-fefe sprites ... always ffff for im 2 interrupt
ff01-fff0 relocatable ...Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …
Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …
... overwritten interrupt vector to have some free bytes for colour table).
Beepola v1.08 AvailableA new version of Beepoa, v1.08, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.76MB zipped exe, no installe…
... to be a change in interrupt as well as clock speed ... ) accommodated by a simple lookup table, but I don't know ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... ]
And the following table "deltas":
[CODE]deltas ... : Computer will crash if an interrupt occurs during execution!"
as ...48k AudioI'm at the point in my game where I could use a few beeps and bloops. Ive been looking at loads of different speccy books, but this whole business of…
... BEEP music (with or without interrupt, that doesn't really matter ... table of notes to play and then step through during an interrupt ...48k AudioI'm at the point in my game where I could use a few beeps and bloops. Ive been looking at loads of different speccy books, but this whole business of…
... table of notes to play and then step through during an interrupt ...48k AudioI'm at the point in my game where I could use a few beeps and bloops. Ive been looking at loads of different speccy books, but this whole business of…
... table of notes to play and then step through during an interrupt ... effects?[/QUOTE]
The interrupt is too infrequent for audio ... to play brief snippets at interrupt time. Sound effects work that ...48k AudioI'm at the point in my game where I could use a few beeps and bloops. Ive been looking at loads of different speccy books, but this whole business of…
... can actually use the next interrupt to stop the note ... bit of a note every interrupt, it has to be ... ) with a value from a table.
By ... filling the table with alternating 0/24 values ... be improved by having the table longer than you need, ...Questions about Vortex Tracker II exported songsHi, I have been experimenting with Vortex Tracker II lately and have a couple of questions. By exporting the song to TAP format, a file is generated…
... know in theory what an interrupt is, yet I do not ... 27810 ;init music
; make table #fd (257 items) on #fe00 ... /> ld (hl),a
;make interrupt executor
;#fdfd jp im2_proc ... /> ret
im2_proc
;interrupt routine
di
;store ...Cybernoid POKE required.Ummm, I'm not absolutely sure this is the right place to post this, but is there a POKE to remove the music from Cybernoid 128k? I still want to kee…
It's probably interrupt-driven.
Load it ... to the table of bytes which then point to the interrupt service ... begun. Nothing worse than stopping interrupt-driven music half-way through ...New bicolour game coming very soon.And they say budget software houses can't afford to advertise :-D [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/elstompo_advertsmall_…
...
Notice that, when an interrupt occurs, the computer cannot stop ... T-states, thus causing longer interrupt delays.
... work even if the interrupt starts executing after a ... br />
And the following table "deltas":
[CODE ...128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
Are you sure your interrupt handler, vector table, and the stack pointer are all in the middle third of RAM?128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... ]Are you sure your interrupt handler, vector table, and the stack pointer ...analysing program variable usageIf I wanted to count the number of times each variable is referenced while a program is running (not the number of times each variable is referenced …
... could be done with an interrupt routine I suppose. But ... if ... LOOK_VARS to update a counting table.Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?
... written as an interrupt routine with its own FLASH table specifying which ...amaurote with removed foregroundit`s good or bad ? [IMG]http://savepic.org/6483066.png[/IMG] [IMG]http://savepic.ru/6281893.png[/IMG]
...
That code assumes an interrupt occurred while using [B]POP ... B] to read from graphics table. In this case, the ... in the middle of graphics table, thus corrupting data.
... this problem. When an interrupt occurs, use [B]POP ... fixing the graphics table.amaurote with removed foregroundit`s good or bad ? [IMG]http://savepic.org/6483066.png[/IMG] [IMG]http://savepic.ru/6281893.png[/IMG]
... ;804977]That code assumes an interrupt occurred while using [B]POP ... [/B] to read from graphics table. In this case, the execution ... in the middle of graphics table, thus corrupting data.
table.[/QUOTE]
I take it ...amaurote with removed foregroundit`s good or bad ? [IMG]http://savepic.org/6483066.png[/IMG] [IMG]http://savepic.ru/6281893.png[/IMG]
... ;804977]That code assumes an interrupt occurred while using [B]POP ... B] to read from graphics table. In this case, the execution ... in the middle of graphics table, thus corrupting data.
< ... value thus fixing the graphics table.[/QUOTE]
Ah, ...
