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28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
I tried this as a curio. Got 28 coloured squares, and it exited...
Not sure if I'm supposed to call it on interrupts, or where the entry point is for sure! -
28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... supposed to call it on interrupts, or where the entry point ... -
Z80 emulation C source with a permissive license?Could anyone recommend a good (all opcodes, proper timings) Z80 emulation code in C with a simple permissive non-viral license? Something without a w…
... that didn't disable the interrupts, so it worked with Technician ... -
Z80 emulation C source with a permissive license?Could anyone recommend a good (all opcodes, proper timings) Z80 emulation code in C with a simple permissive non-viral license? Something without a w…
... that didn't disable the interrupts, so it worked with Technician ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
By the way - does it affects interrupts? I mean - when the music plays. -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... the way - does it affects interrupts? I mean - when the music ... -
Hisoft Devpac and the MGT Plus DI've got (potentially) a bit of an odd one here that might cut across a couple of areas so I thought I would put it in misc. I am trying to Hisoft's…
... $1303 MAIN-4 because the interrupts have been disabled. -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... , so I doubt it emulates interrupts and border timing accurately either ... -
Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... RET. Also, you should disable interrupts before calling the routine, and ... -
Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... />
switch_on:
di ; disable interrupts
push af ; save ... it on
ei ; enable interrupts
ret ; return to BASIC ... -
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…
Did anyone mention that if you don't use the ROM routines (use IM2, or don't use interrupts at all), you can use all of the available RAM any way you want. There's no harm in running code in contended RAM so long as it isn't timing critical. -
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…
... IM2, or don't use interrupts at all), you can use ... -
ISO-Copy - Individual Software revisitedHi folks In another thread about Supertape: [url]http://www.worldofspectrum.org/forums/showthread.php?t=36203[/url] ... we touched on ISO-Copy by th…
... :
[CODE]5CDD DI ; Interrupts go again off for loading ... -
Spectrum30 Show in Cambridge, 08th-09th September 2012Hello Spectrum-fans, after many months of preparation we now proudly present what will be the biggest Spectrum venue of the last 20 years. We manage…
... doing that, beware of retriggered interrupts: the interrupt signal is held ... -
Spectrum30 Show in Cambridge, 08th-09th September 2012Hello Spectrum-fans, after many months of preparation we now proudly present what will be the biggest Spectrum venue of the last 20 years. We manage…
... doing that, beware of retriggered interrupts: the interrupt signal is held ... -
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…
... ??? does a bankswitch take 2 interrupts ??
and you dont use ... -
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…
... 0 (whether that's in interrupts, or between commands) is bypassed ...
