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Vega ARM SOC?I read that the core of the new Vega was an ARM SOC. I thought it would have been an FPGA. But it seems it's an ARM running an emulator. Anyone kn…
... down during the first effect (snow screen, then eyes scrolling up ... happen the moment the palette register is changed, but also on ... -
A new emulator is in townHello, I'd like to announce a new ZX Emulator, it's Spectacol (https://github.com/bog-dan-ro/spectacol) a free (GPLv3+) emulator which currently t…
... new version, the Android controls scroll off screen if the screen ... the screen is touched, they scroll back up.
This ... needs a second press to register what you want (e.g ... -
A new emulator is in townHello, I'd like to announce a new ZX Emulator, it's Spectacol (https://github.com/bog-dan-ro/spectacol) a free (GPLv3+) emulator which currently t…
... new version, the Android controls scroll off screen if the screen ... the screen is touched, they scroll back up.
This ... needs a second press to register what you want (e.g ... -
Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... to load it into a register from memory and then perform ... directly without using an extra register. Having said that, and looking ... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... , and with some extra weird, register munching it might go to ... /> Looked at Shadow Warriors, and scroll area is limited to a ... .
Looked at Uridium, and scroll area is limited to 26x16 ... -
How would you approach parallax?So ... there is this trick by Joffa that we all know...of waiting for the ULA to reach certain pattern on the screen using the IN command. And then s…
... pointed by HL via A register. And it does it in ... 's a fast, 4 pixel scroll of one scan line, I ... I'll be able to scroll game area 4 pixels left ... need to have an intermediate register A. You need to do ... -
Skate Crazy on grey +2I've downloaded "Skate Crazy" from WoS, recorded it on a real tape and tried to load to my grey Spectrum+2. Game (both parts) works only in 48k mode.…
... a crash when the I register points into contended ram. Emulators ... an emulator that supports ULA snow (such as SpecEmu)
128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... shouldn't set the I register to a value in the ... it the same as the snow effect which is caused when ...Interrupts, 16k Spectrums and snowI'm writing something for the 16k Spectrum and I want to use interrupts. The avilable documentation doesn't seem clear enough for me to figure out ho…
... register to 37, you can use the ROM and avoid any snow ...Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
... and a horizontal scroll bar. You move the scroll bar right. Your ... you are forced to store register values into memory. Once you ...Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... . If the "I" register points into contended memory, snow will appear on ... the display. If the "I" register points ... the top 16k without seeing snow and you can't execute ...Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... . If the "I" register points into contended memory, snow will appear on ... the display. If the "I" register points ... will neither crash nor produce snow on the display.Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... . If the "I" register points into contended memory, snow will appear on ... the display. If the "I" register points ... will neither crash nor produce snow on the display.
[/ ... $40–$7f. I get the snow, sure, but the machine doesn ...Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... . If the "I" register points into contended memory, snow will appear on ... the display. If the "I" register points ... will neither crash nor produce snow on the display.
[/ ... $40–$7f. I get the snow, sure, but the machine doesn ...Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... . If the "I" register points into contended memory, snow will appear on ... the display. If the "I" register points ... will neither crash nor produce snow on the display.
[/ ... $40–$7f. I get the snow, sure, but the machine doesn ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... these machines, the ULA snow effect works a little different ... the snow effect kicks in if the I register is in ... contended bank, then the snow effect will appear [i ... post will cause the snow effect, even though I ... is contended, so the snow effect kicks in. (The ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... actually state which cases cause snow and which actually crash the ... register when a contended RAM bank is paged in causes the snow ... now—is, If you see snow, you might get a crash ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... we were also talking about snow. He did leave out an ... snippet that changes the I register within my ISR (with the ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... ]The I register pointing to $40–$7f causes ULA snow and a ... correct data... so shows as "snow" (corrupt or incorrect picture information ... . The contents of the refresh register (R) are placed on address ... the contents of the interrupt register (I) is put on ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... itself simply reads the R register, places its value into A ... mucks about with the I register but restores it prior to ... .e. contended/non-contended. The snow-effect pattern changed in Test ... snow effect is triggered not just by setting the interrupt register to ...Grey +2 with lines on some games on RGB connectionHi Everyone, Is it OK if I ask a question? I dug my +2 out of the loft after far too many years about a month ago, and I have finally got it ba…
More info on the ULA rain/snow effect: https://www.worldofspectrum.org/forums/discussion/55839/the-i-register-pointing-to-40-7f-causes-ula-snow-and-a-crash-or-does-it/p1Grey +2 with lines on some games on RGB connectionHi Everyone, Is it OK if I ask a question? I dug my +2 out of the loft after far too many years about a month ago, and I have finally got it ba…
... /snow effect: https://www.worldofspectrum.org/forums/discussion/55839/the-i-register ... -pointing-to-40-7f-causes-ula-snow-and-a ...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…
... /> cp 24
call z, scroll
ld (scr_out_row), a
jp puts
scroll:
ld a, 23
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…
... with random stuff in BC register lol
[code]< ... /> cp 24
call z, scroll
ld (scr_out_row), a
jp puts
scroll:
ld a, 23
register was from here
; https ...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…
... /> cp 24
call z, scroll
ld (scr_out_row), a
jp puts
scroll:
ld a, 23
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…
...
ret c
jp scroll
carriage_return_cursor:
xor ... /> cp 24
call z, scroll
ld (scr_out_row), a
jp puts
scroll:
ld a, 23
