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Fastest emulator screen renderingHi, I'm developing an algorithm for fast emulator screen rendering and here is what I came up with. 1) Use 4bpp indexed image format as target …
... on the 69888 tick, copy to screen, and sync ... synchronise with your sound buffer. Generally speaking that's ... time to do that. So you set up a looping buffer ... suspend execution until that buffer starts playing. The ... size of the buffer dictates the audio lag ... -
Spectrum games that are both 48k and 128k but where the 128k version is infinitely superior The only one I can think of is "Rock Star Ate My Hamster" but there must be others . So where are the games where the 128 version is great but wher…
... off-screen buffer, but the 48K version has to then copy that ... AY + Beeper at the same time? Are there any other games ... -
Spectrum games that are both 48k and 128k but where the 128k version is infinitely superior The only one I can think of is "Rock Star Ate My Hamster" but there must be others . So where are the games where the 128 version is great but wher…
... screen area
3. Franticly copy the screen to the main ... being copied from the back buffer (see build the screen somewhere ... AY + Beeper at the same time? Are there any other games ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... ORG #8000
; compile time switches, set to 1 to ... to an off screen buffer and copy that to screen if ... the shift buffer
ld de, shiftdata_lbuff
; copy 8 bytes ... SCRBUF_BASEADDR (you have to copy the buffer to the screen then though ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... ORG #8000
; compile time switches, set to 1 to ... to an off screen buffer and copy that to screen if ... the shift buffer
ld de, shiftdata_lbuff
; copy 8 bytes ... #17e0
; 16 byte buffer for drawing graphics which are ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... /> ORG #8000
; compile time switches, set to 1 to ... it to an off screen buffer and copy that to screen if ... can use macros and compile time constants (EQUs) to make life ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... ORG #8000
; compile time switches, set to 1 to ... to an off screen buffer and copy that to screen if ... the shift buffer
ld de, shiftdata_lbuff
; copy 8 bytes ... #17e0
; 16 byte buffer for drawing graphics which are ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... ORG #8000
; compile time switches, set to 1 to ... to an off screen buffer and copy that to screen if ... the shift buffer
ld de, shiftdata_lbuff
; copy 8 bytes ... #17e0
; 16 byte buffer for drawing graphics which are ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... ORG #8000
; compile time switches, set to 1 to ... to an off screen buffer and copy that to screen if ... the shift buffer
ld de, shiftdata_lbuff
; copy 8 bytes ... #17e0
; 16 byte buffer for drawing graphics which are ... -
Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
... it to an off screen buffer and copy that to screen if ... copying 1 reg at a time and I'm too lazy ... ;)
ld h, (hl)
; copy this to HL but add ... br /> ld h, (hl)
; copy this to HL but add ... ;)
ld h, (hl)
; copy this to HL but add ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... ORG #8000
; compile time switches, set to 1 to ... to an off screen buffer and copy that to screen if ... the shift buffer
ld de, shiftdata_lbuff
; copy 8 bytes ... #17e0
; 16 byte buffer for drawing graphics which are ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... buffers to fill rather than copy
ld bc, ... /> ; HL -> null terminated buffer
; skips spaces (maybe ... HL points to null terminated buffer
; all tokens ... ; is it an eval-time function?
bit 7, ... 2345 lines, work time: 0.015 seconds -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... buffers to fill rather than copy
ld bc, 256 ... ld a, c
; copy HL into BC
ld ... ; put it in the buffer
jr z, .nothingpressed ...
; work out buffer insert address
ld ... are ready to process input buffer
IF IBUFSIZE ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... the heap for next time around, so it's ... buffers to fill rather than copy
ld bc, 256 ... a ; put it in the buffer
jr z, .nothingpressed ... set
; work out buffer insert address
ld ... are ready to process input buffer
IF IBUFSIZE ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
...
; A = first character in buffer
; HL -> pointer to ... />
; HL -> null terminated buffer
; skips spaces (maybe wants ...
; we want to copy bc bytes from pushed value ... /> ; is it an eval-time function?
bit 7, c ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
...
; A = first character in buffer
; HL -> pointer to ... />
; HL -> null terminated buffer
; skips spaces (maybe wants ...
; we want to copy bc bytes from pushed value ... /> ; is it an eval-time function?
bit 7, c ... -
Hardware Reference Manual for ZX SpectrumHi, I want to write games for ZX Spectrum in assembly language. I have lot of books in PDF format from SpectrumComputing. Still missing a book lik…
... and then copy from this area to the image buffer.
Scroll ... I have not yet had time to review it
buffer support. However, changing the parameters ... -
Problem using with keys at same time Hi ! I'm having some problems in my laptop, Compaq Armada E500 PIII 600Mhz, with Windows 98, using three keys at same time. Example: Up, Left and …
... , using three keys at same time.
Example: Up, Left ... -
How to copy file from tape (*.tap) to disks (*.dsk) ?I am using zx32 with win98 and i want (in the emulate +3) copy files from virtual tapes to virtual disks. I use => load "NameOfFile" (for copy the f…
... want (in the emulate +3) copy files from virtual tapes to ... use => load "NameOfFile" (for copy the file in the zx ... do it ?
I want copy files on disk for faster ... , it is very easy to copy c64 tapes programs from tapes ... -
Missing 2000AD games (again...)Hello, I've posted this on the MIA/MIS forum previously, but nobody seems to have noticed it, so I offer it here for the perusal of all of you, hopin…
... on Sinclair User at the time), but that title seems to ... nothingness. Has someone here a copy to make a TZX file ... -
INPUT ArchiveHowdy folks. I'd really appreciate some help in this. I'm planning on creating an online archive of the old coding mag INPUT (having recently acquir…
... intact while allowing people to copy sections/code from it... I ... as I didn't have time to check the OCR output ... -
Missing 2000 AD gamesIn the past years, a handful of Spectrum games featuring 2000 AD characters were released, ranging IMHO from the brilliant (Nemesis the Warlock) to t…
... on Sinclair User at the time), but that title seems to ... nothingness. Has someone here a copy to make a TZX file ... -
Wanted:Installation Tape/File for Disciple Interface (ZX Spectrum)Need to rescusitate my Disciple Interface. The last time I worked with it - I fitted it with a new chip - that uses DOS version after 3b. That was …
... Interface.
The last time I worked with it - I ... to) get hold of a copy of the installation files / system ... -
Wanted: TZX for Psycho Soldier (Athena 2)Afternoon, After seeing a bid on Ebay for the said title, it looks as though this title may stay MIS (Missing in Snaption) for some time. There is …
... (Missing in Snaption) for some time.
There is a ... title on original or backup copy that they could provide me ... -
INPUT ArchiveHowdy folks. I'd really appreciate some help in this. I'm planning on creating an online archive of the old coding mag INPUT (having recently acquir…
... intact while allowing people to copy sections/code from it... I ... as I didn't have time to check the OCR output ... -
Problem using with keys at same time Hi ! I'm having some problems in my laptop, Compaq Armada E500 PIII 600Mhz, with Windows 98, using three keys at same time. Example: Up, Left and …
... , using three keys at same time.
Example: Up, Left ... -
The LIBELOUS copy of 'crash' ? that mag that was pulled that libeled the BBC chiefI will pay 15 for a copy any one got it?
I will pay 15 for a copy any one got it? -
SPIN Public Beta 0.1b Available for downloadHi all, back again, and as just recently announced on CSS, SPIN has been updated. Here's the post to CSS (or the relevant parts): It's been a bu…
... /> It's been a busy time these last couple of weeks ... into SPIN, so grab a copy and have a look!
only for e-dsk. No copy protected disks yet.
Added ...
