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SAVEing without waiting for keypresshello, here's question for y'all. is there a way in BASIC to bypass the "Start tape, then press any key" prompt when SAVEing an array? sorry if it'…
... part of the ROM SAVE routine to write a chunk of ... address of SA/LD-RET routine
PUSH HL ; 32612 229 ... /> DI ; 32616 243 disable maskable interrupt
JP $04FE ; 32617 195 ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... interrupt...
I'm thinking you should adapt your routine ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... is invoked by a maskable interrupt).
The only time ... an NMI routine (because an NMI can cause an interrupt while interrupts ... are disabled, but to the 0x0066 NMI routine ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... br /> [/CODE]
me_too routine calls EI enabling interrupts prematurely ... for parent routine. So parent might get interrupted ... critical section and the child routine exits it then we ... 48k), I'm handling 50Hz IM1 0x38. -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... read N bytes per IM1 50Hz interrupt. so when IM1 occurs you set ... 0 and wait for another interrupt. by intelligently setting N one ... -to-send). at next 50Hz interrupt zx spectrum spots the RTS ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... lock up immediately in the interrupt handler after displaying the message ... ] in the floating point print routine. The upshot of this was ... -
enJine: a fast tilemap enginetile engine based on excellent work by Joffa Smifff. here you can download first tech demo. [url=http://ketmar.no-ip.org/tmp/enJine.tap]Get It Now![…
... hoping to have the display routine interrupt driven and have the non ... -
enJine: a fast tilemap enginetile engine based on excellent work by Joffa Smifff. here you can download first tech demo. [url=http://ketmar.no-ip.org/tmp/enJine.tap]Get It Now![…
... hoping to have the display routine interrupt driven[/i]
the hard ... 't start screen output when interrupt comes, 'cause it causes screen ... -
enJine: a fast tilemap enginetile engine based on excellent work by Joffa Smifff. here you can download first tech demo. [url=http://ketmar.no-ip.org/tmp/enJine.tap]Get It Now![…
... hoping to have the display routine interrupt driven[/i]
the hard ... 't start screen output when interrupt comes, 'cause it causes screen ... -
RAND USR that doesn't work in emulators and clonesEons ago, I "discovered" a strange RANDOMIZE USR. This is it: [b]RANDOMIZE USR 46578[/b] Using it on a genuine ZX Spectrum rubber key or Plus model,…
... into memory. Later, a print routine builds a nice report on ... the Z80 is 8080 compatible, interrupt mode is probably 0.[/quote ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
A Pointless Propotional Font demoSomething I've made the last couple of days, which is probably completely pointless, but might be a bit amusing. It's also not worthy of posting thi…
... be hard to have a routine which does "random stuff" when ... 1
2.- calls music routine
3.- pages in bank ... 0
The music routine we use is that developed ... remaining time until the next interrupt, the AY is still ringing ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... still have to implement display_screen() routine? All I see now is ... about interrupts-there are 3 interrupt modes, interrupts can be either ... to write a separate loading routine to be able to run ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... still have to implement display_screen() routine? All I see now is ... about interrupts-there are 3 interrupt modes, interrupts can be either ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... still have to implement display_screen() routine? All I see now is ... about interrupts-there are 3 interrupt modes, interrupts can be either ... to write a separate loading routine to be able to run ... don't require any loading routine because they are just snapshots ...automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
D'oh about SEED. :oops:
However, an interrupt pushes the PC to the stack, so if one occurs during the execution of your routine, the data situated at SP will be corrupted.automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
... been destroyed by an intervening interrupt by the time you read ... have to wait for an interrupt to occur. There is a ... as part of the relocate routine and then CALL it. Maybe ... the beginning of the relocator routine so the relocation is only ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... I supposed to place my interrupt handler routine (handle_interrupt() in my case ... is there any need for interrupt handling routine in this code? After ... why I need a separate interrupt handling routine if there are no ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... an assembly code of interrupt handler at 38h to ... final part-snapshots loading routine. I already read the ... 2 or not), double interrupt frequency and video synchronization. ... consider different Spectrum models, interrupt frequencies or video synchronization ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... />
I thought my interrupt handling routine was faulty and somehow damaging ... stack at the end of interrupt is exactly the same as ... it before the interrupt.
Because my routine for loading .SNA ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... - it can't be display_screen() routine, otherwise at least one game ... can't be snapshot loading routine, otherwise some wrong data ... may be wrong with my interrupt mechanism/keyboard reading. Let ... with interrupts. Here's my interrupt handler:
[CODE ...BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…
... top of memory, and an interrupt table in the page below ... working on making the sprite routine run as fast as possible ...Gigascreen - programming guideDoes anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BA…
... show vram1, etc.... After next interrupt (next TV frame) this mode ... 49152. After load run special routine for show gigascreen mode - each ...z88dk hates me =(Hello there my fellow WoS'ers Under the power of darkness I was about to settle in and play with some SP1 sprite handling (as printf is simply NOT f…
... ROM, in particular the ROM interrupt service routine. So you will need ...Empire! Help neededCan anyone convert the listing in the Tipshop to Multiface pokes? Im having a hard time with this game, over 15 years playing it, now I could do wit…
... /> It's using an IM2 routine to display the animated starting ... , and on the +3 the interrupt vector is being calculated incorrectly ...
