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Speccy 128 Shadow screen.How much is the shadow screen used in 128k commercial software? I ask because I am looking at putting 128k of memory in the 48k setup I have been bu…
How much is the shadow screen used in 128k commercial software?< ... -
128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…
When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without cancelling the shadow? -
128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
Hi
How does the shadow screen feature work , and how can it be used? -
alternate BASIC ROMI've come up with a few patches to the standard ROM to make it use the 128 shadow screen by default. The ROM is reorganised as follows: RAMTOP is se…
... to make it use the 128 shadow screen by default. The ROM is ...
the shadow screen is selected by default
the shadow screen is paged ... now write to the upper screen area, including PLOT
screen when it was being written ... -
Spectrum skin coloursShame the speccy did not have a pink,....but wait, bright magenta may have sufficed!? I don't recall any games using this though. Which colour wa…
... /> Timex=shadow/128=normal : Timex screen area at #6000.
Timex=normal/128=shadow : 128 shadow screen area ... .
Timex=shadow/128=shadow : 128 shadow screen area + #2000.
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... using the 128K's shadow screen area and I can ... writing to and displaying the shadow screen
ld b, 7 ... br /> ld c, 8 ; Screen Shadow
call change_bank
... Select normal (0) or shadow (1) screen to be displayed.
...80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... has shadow video RAM like the 128. The screen will ... it, and the normal screen area will be untouched. ... course BASIC80's effective screen size is 480x192. In ... while displaying the hi-res screen.
[quote]The ... I've updated the BORDER, INK, and PAPER commands ...80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... has shadow video RAM like the 128. The screen will ... it, and the normal screen area will be untouched ... course BASIC80's effective screen size is 480x192. ... while displaying the hi-res screen.[/QUOTE]
... I've updated the BORDER, INK, and PAPER commands ...Fuse/SPIN vs Spectaculator border timingsHello, I'm trying to figure out at which moments the 48K ULA samples the current border color into its internal latch. To do that I wrote a small …
... but we have used the shadow screen paging instead. This is where ... difference between +2A and +3 screen paging pattern, too.
... ru/threads/21212-tajmingi-pentagon-128-).html?p=598265& ... previous pixel, making the border changes appearing shifted to the ...Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…
... graphic routines that use the shadow screen present in 128K Spectrum's ...Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …
... New"][COLOR="Green"]On the 128 and +2, memory is entirely ... : Select normal (0) or shadow (1) screen to be displayed. The normal ... in bank 5, whilst the shadow screen is in bank 7. Note ...A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... , 2, 28, 20}; // full screen - border
struct sp1_Rect levelbrect = {0 ... , 0, 32, 24}; // full screen
// ... }, {0,128,120,2,0}, {0,128,56,2, ... />
// Refresh the whole screen
void drawmap()
{
Border colour on resetI have noticed a strange (and somewhat disquieting) glitch or feature on the ZX Spectrum. Sometimes, when the Reset button is pressed on the later m…
... on the later machines (128 onwards), the border colour will change to ... menu (and white border) suddenly appear, but this border colour glitch/feature ...Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
... I run the test, the screen border colour changes and when it ... ]http://lotharek.pl/zasoby/produkty/128/pliki/divide_2k14.pdf[/url], page ...New Utility ZXSTLC[b]New Utility ZX Spectrum Tape (& Disk) Loader Creator[/b] I made this utility to easily create tape and +3 disk loaders for my projects and have…
... options for adding a loading screen and it compresses the data ... add in a standard loading screen (which you can
| change ...What are editor scratchpads?I've been reading and experimenting with 128 bank switching and using the shadow screen. The technical reference [url="https://worldofspectrum.or…
... and experimenting with 128 bank switching and using the shadow screen.
Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... : REM Leave some space for shadow screen buffer
20 GO SUB ...compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …
... easily by using the alternate screen page and placing in the ... about that to, but a shadow screen remains at #4000-5B00
128, so if you have a ...compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …
... about that to, but a shadow screen remains at #4000-5B00< ... not so good with the 128, so if you have ... sure what you mean by 'shadow' - I assume you mean ... RAM 7 is the alternate screen space so you can page ... RAM 2
RAM 7 - Screen
Which is what ...compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …
... about that to, but a shadow screen remains at #4000-5B00
128, so if you have ... sure what you mean by 'shadow' - I assume you mean ... RAM 2
RAM 7 - Screen
Which is what ... it, BANK 2 remains the screen, so PEEK 16384 would ...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... port.
On the 128 and +2, memory is entirely ... Select normal (0) or shadow (1) screen to be displayed. The normal ... in bank 5, whilst the shadow screen is in bank 7. Note ... typical bank switch on the 128 is:
LD A,(5B5Ch ...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... of 16K banks (8*16=128)
two of these ... 3 to 1 ;switch to shadow screen, your sprite is now ... for interrupt when switching normal/shadow screen, the effect takes place immediatelly ... then second half is of shadow screen is displayed
...ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... as well (Timex screen modes in the 128's shadow screen area)?[/QUOTE]
Bob has no concept of "shadow ... the SCRN register, emulating the "shadow" screen. This is indepentant of what ...Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... then copy that area into screen buffer.
[/QUOTE]< ... file, select bank of shadow screen, load ram disk ... file into it, activate shadow screen, erase ram disk file ... paint in main screen, activate main screen, save it ... does not work in 128 nor in plus3dos. At ...Galaksija emulator for ZX Spectrum +3/+2A(black)This is a NEW program/utility/game pack for ZX Spectrum. It is basically an emulator of an ex-Yugoslav computer "Galaksija" which is also Z80 based. …
... if you're using the 128's shadow screen for the display. That ...Difference in emulator screen sizes and coloursSeeing as Greencard's gone out drinking... I've done a comparison between Spectaculator and ZXSpin. ZXSpin's full screen with border is taller than S…
... />
Then the 192 screen+border lines are displayed, followed by ... to start with 256 screen pixels, then border, then horizontal retrace, ... two: a screen and an ATTR byte). The border is 48 ... follows: 128 T states of screen, 24 T states of right border, 48 ...Debian linux on a Speccy!Ok, not [i]quite[/i] what you're expecting, but very cool nonetheless. [url]http://www.retrothing.com/2009/04/modding-a-sinclair-zx-spectrum-to-run-…
... RAM. On a 128 you can use the shadow screen in bank 7 ... the Spectrum's keyboard or screen at all (particularly on a ...Ahh.. the tape loading era! by ate bit[url]http://www.pouet.net/prod.php?which=53846[/url] It is UNBELIEVABLE!!! Effects while loading, MUSIC while loading (and loading normal speed !!!…
... because evilpaul's using the 128's shadow screen to avoid flicker (normally ... HALT to synchronise with the screen drawing, but that isn't ...'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... final simplified version of the "screen flipping" test program:-
screen already stored on the ... BORDER 6: PAPER 6: INK 1: CLS : PRINT "This is screen ... NEXT i
150 BORDER 4
190 IF ... get loaded to the shadow screen, so you get one ...
