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RZX Archive is back!The RZX Archive is back up and running. A big thanks to Martijn for helping me out! Cheers, Daren
... spec if a re-triggered interrupt occured. The RZX files themselves ... -
About the Cronosoft GamesHello everybody, I just want to comment one thing that happens with the Cronosoft Games. I Load them on my Spectrum+2A and I have seen that most of t…
... seconds or so. Music is interrupt-driven and I'd expect ... -
Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…
... low and M1 low = an interrupt acknowledge, so just using IORQ ... 't go low on an interrupt acknowledge, so just IORQ low ... -
Fuse for Mac OS X 0.8.0-pre2A new public preview of the next version of Fuse for Mac OS X has been released at the dedicated sourceforge project: [url]http://sourceforge.net/pr…
... Weidersehen Monty (definitely a retriggered interrupt problem; see [url]http://sourceforge ... it to be a retriggered interrupt problem)
Back to the ... -
Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…
... low and M1 low = an interrupt acknowledge, so just using IORQ ... 't go low on an interrupt acknowledge, so just IORQ low ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... 'd expect the CPU to interrupt the already running NMI routine ... state of IFF1 (the maskable interrupt flip flop) is restored from ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... state of IFF1 (the maskable interrupt flip flop) is restored from ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... 'd expect the CPU to interrupt the already running NMI routine ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... the bouncing NMI doesn't interrupt again [i]too[/i] quickly ... -
My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... is if you are doing interrupt driven music or something else ... -
My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
Need advice choosing one of these optionsA few spanish friends are willing to help me build and program the ethernet interface for the Speccy. Here are the possibilities. Any advice would be…
... multitasking environments. Likewise with polled / interrupt mode, though I would strongly ... favour interrupt mode if a choice had ... for polled and one for interrupt operation, if necessary. It would ...Need advice choosing one of these optionsA few spanish friends are willing to help me build and program the ethernet interface for the Speccy. Here are the possibilities. Any advice would be…
... 182854]Likewise with polled / interrupt mode, though I would strongly ... favour interrupt mode if a choice ... for polled and one for interrupt operation, if necessary.[/QUOTE ... already supports both polled and interrupt modes, although since there ...Need advice choosing one of these optionsA few spanish friends are willing to help me build and program the ethernet interface for the Speccy. Here are the possibilities. Any advice would be…
... other projects :-)
For interrupt mode 2 stuff, on my ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... at the start of the interrupt, and using the stack so ... , as it expected no further interrupt to occur until the next ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... at the start of the interrupt, and using the stack so ... , as it expected no further interrupt to occur until the next ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... at the start of the interrupt, and using the stack so ... , as it expected no further interrupt to occur until the next ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... at the start of the interrupt, and using the stack so ... , as it expected no further interrupt to occur until the next ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... and play back via an interrupt routine (simply call an address ...How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…
... for structures here, stack here, interrupt handler here, etc. Then one ...Interface 1 with 3.5" floppyHas this been done or can it be done? Using an interface 1 and a powered 3.5" floppy disk drive (with a modified cable) instead of a microdrive?
... NEEDS a +D to work. Interrupt driven clock, stuff to use ...ZXSpin 0.62 Available nowAs promised (and only a [i]little[/i] past the deadline) here is the latest version of ZXSpin. Many bugs have been fixed, and a few new features add…
Reason for FLASH attribute?Is it known why Sinclair choose to implement the flash bit in hardware? Since flashing could be easily done with code when needed it seems quite un…
... the underlying bitmap during an interrupt. If you disabled interrupts, the ...Reading the Kempston & AMX mouse...Does anybody know which ports & values are used to read the AMX and/or the Kempston mouse? I'm playing with developing a shoot-em-up at the moment, …
... AMX mouse hardware and registers interrupt service routines to field x ... ) coord (as written by the interrupt service routines):
[url]http ...Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... contents, so we have two interrupt vectors and two different ISRs ... not work because when an interrupt comes and ISR in RAM ...Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
... ~14000 t-states from an interrupt), it will run at the ...Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
... ~14000 t-states from an interrupt), it will run at the ...Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... ]
Until the next interrupt (either maskable or NMI). That ...How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... 50s. "Generating a maskable interrupt" means the hardware pulls ... Since code executed inside an interrupt service routine (such as ... is being executed, all interrupt service routines must preserve all ... instruction. Another kind of interrupt, known as the non ...How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... , which allows a programmer-supplied interrupt routine to run in RAM ... can do without the ROM interrupt.
[quote]
Is ...