... alternate loading screen
-m dump banks and compression to binary files ... which just so happens to be the loading screen. Some however don ... have the option to replace it with another compressed screen with the ...

... level code to push these to the screen.
... ; Load screen address to push to
; Self modified push to screen
... buffer: defs 15 ;
;
ld hl,sp ; Move to ... (spstore2),hl ; Store last screen positon
jp fl_bus ; ...

... reverse address sorce and destination to restore the top third of the screen ... easy to put an image where you want) whitout calculating screen address in ... high resolution

3) change again the address ...

... tile, I prefer to redirect the stack temporarily to where the tile ... the stack pointer to HL (which is pointing to the tile ... ) and use HL to point to the display file address

< ... fetched into BC, and copied to the screen address in HL.

... ;963449"]When it comes to rendering the remaining chars of ... , I prefer to redirect the stack temporarily to where the tile ... ) and use HL to point to the display file address

< ... fetched into BC, and copied to the screen address in HL.

I seem to remember some emulators allow to edit ROM, but [b]would it enable a coder to instantly change, say, the screen address?[/b]

Is it possible for NEXT or other hardware?

TY

... ;963657"]I seem to remember some emulators allow to edit ROM, but ... enable a coder to instantly change, say, the screen address?[/b]


TY[/quote]Change the screen address? Can you clarify what you ...

... of screen address, so the first byte drawn to screen is ... from 16400 instead of 16384. It may be used to ... already cramped without having to reserve another 6912 bytes ... /> That is not related to ROM but CRTC (in ... it), but that address is fixed on ZX ...

... of screen address, so the first byte drawn to screen is ... from 16400 instead of 16384. It may be used to ... cramped without having to reserve another 6912 bytes ... it), but that address is fixed on ZX ... the banking register to do double buffer).[/ ...

... doesn’t involve changing the screen address. There is a lot of ... /> Adapting an existing Spectrum emulator to do all that even as ... change of getting close enough to be usable.

... specific software isn’t going to run unless the timing-critical ...

... of screen address, so the first byte drawn to screen is ... from 16400 instead of 16384. It may be used to ... cramped without having to reserve another 6912 bytes ... it), but that address is fixed on ZX ... the banking register to do double buffer).[/ ...

... the start of screen address, so the first byte drawn to screen is from ... 16400 instead of 16384. It may be used to ... can do it), but that address is fixed on ZX Spectrum ... />
How dare you speak to me !!!!!![/quote]
Somebody has ...

... you don't mind some screen corruption and make your own ... calls to the LOAD routine on ROM, and the return address on ... the stack means that it will return to the ... can make it return to another address to launch a machine code program ...

... this will be very clear to folks not familiar with ... something going on involving rendering to the screen. I thought at first ... next section is writing to the screen with the screen address in the 'hl ... stack pointer to point to the data it is rendering to the ...

... ) that helps to find the start address of a location ... This function returns the screen address, given its y and ... function, so I decided to write my own print_uchar ... this looks pretty similar to the basic version now.< ... . I was planning to add joystick support in ...

... time and it computes a screen address for every pixel visited. It ... pixel coordinates so screen addresses don't have to be calculated at ... "10000000" respectively. The current screen address is modified to move up,down,left ...

... This would make it easy to address a particular pixel; write the ... into the paging register to select a 256-byte ... H and then read/write to HL. It also wouldn ... If you want to copy from one row to another for say ... at a time from one to the other.

... variables, sets up ERR_SP to point to the BASIC calculator's workspace ... bytes off tape for a screen address, then 8 bytes for that ... the attribute. This allows the screen to be drawn in a non ... to jump to it. The copying routine takes the code hidden on screen ...

... and three sub-rate counters to address sub-pixel elements. Now ... of data on the screen to give 80 columns. And ... I could buy TV screen resolution monitors for around ... for my first PC screen since I couldn't ... lot on the quality of screen you're using... Anyway ...

... /> I forgot to run the mode lines to the address PAL, but this ... even do a simple 48K screen double resolution mode without too ... run outputs for Spectrum screen and Loki screen side by side on ... could find of generating the screen image with as few logic ...

... " in windows to copy parts of the screen then save them ... to pictures folder and upload them to postimage ... 24x2 byte lookup table to work out the screen address instead of calculating ... at the edge of the screen to the next line and does ...

... " in windows to copy parts of the screen then save them ... to pictures folder and upload them to postimage ... 24x2 byte lookup table to work out the screen address instead of calculating ... at the edge of the screen to the next line and does ...

... " in windows to copy parts of the screen then save them ... to pictures folder and upload them to postimage ... 24x2 byte lookup table to work out the screen address instead of calculating ... at the edge of the screen to the next line and does ...

... 't like this

; screen address table. This must be 256 ... strips not 2 bytes per row... must have been drunk when ...

... point it to an off screen buffer and copy that to screen if you ...
; clamp player X to this minimum row (character cells)
WINDOW_LEFT ...
; clamp player X to this maximum row (character cells)
WINDOW_RIGHT ...

you can't do this:

[code]
inc (ix+2) ;

... it to an off screen buffer and copy that to screen if ... SCRBUF_BASEADDR is just the screen address, might want to change it if I ... am forced to not draw directly to the screen.
WINDOW_ ... after the screen)
STRIPES set to 1 to draw yellow paper ...