... a .tap file with the screen, relocation code and game code ... /> and then I converted this to a .dsk file with tap2dsk ... /> type LOAD "NLBASIC" to run (or COPY "NLBASIC" TO "DISK" to create autorun file ...

... a .tap file with the screen, relocation code and game code ... and then I converted this to a .dsk file with tap2dsk ... /> type LOAD "NLBASIC" to run (or COPY "NLBASIC" TO "DISK" to create autorun file ... Would really like to be able to know how to do this myself ...

... it's a bit wasteful to have two buffers, but ... other gives me something to do in the top- ... between the interrupt and the copy-to-screen.

I'm ... that the copy you've listed is going to be quicker ... Is it going to copy 2/3 of the screen ahead of the ...

... 's a bit wasteful to have two buffers, but ... between the interrupt and the copy-to-screen.[/quote]
With a ... that the copy you've listed is going to be ... it going to copy 2/3 of the screen ahead of the ... from "ld ix,copy_addr_table" to the next op after " ...

... to see that, because the NES screen has less characters across compared to ... difficult it is to scroll a proper colour screen. The "colour ... CPU not having time to copy a full screen of data during ... seemed to have such a limited palette of colours on screen - ...

... 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 ...

... can only copy your disks using disk copy (i.e.: COPY "A:" TO "B ... br />
You would have to completely disable +3DOS and use ... is doable, maybe using the screen to run the code, but a ... some corruption in the title screen graphics.

The big ...

... of RAM accessing directly to floppy controller. The ... copy your disks using disk copy (i.e.: COPY "A:" TO ... /> I've managed to pretty much restore the ... to use a customer loader, it just corrupts part of the screen ... page 7 into screen memory and decompress ...

... modified level code to push these to the screen.
... ,level ; Copy 15 byte buffer from level to buffer
screen address to push to
; Self modified push to screen
... buffer: defs 15 ;
;
ld hl,sp ; Move to ...

... interrupt driven routine that syncs to screen refresh, then use t-states ... the 128K models due to having 2 separate screen buffers; just use ... you're displaying a still picture (a custom unrolled format ' ... of the screen.

Overall it is, to a good ...

... . I dug out a copy of "small screen " fuse , buried deep ... . I never expected it to actually work .So this was ... work . But , it has to be said , he was ... forgotten about this technical requirement to push it TWICE (Hmm ... So you have to know enough to know what you ...

... , how are you going to handle multicolour rendering screens? ... /> The idea is to:
1) detect screen writes, and border ... finished writing to screen.
Then on the 69888 tick, copy to screen, and ... has hit some part of screen this way). But so ...

... /> The idea is to:
1) detect screen writes, and border ... finished writing to screen.
Then on the 69888 tick, copy to screen, and ... has hit some part of screen this way). But so ... for unsupported ports. So while screen generation is occurring, you ...

... "]Then on the 69888 tick, copy to screen, and sync with the real ... ]

Are you going to emulate 48K only?

... usually look for routines writing to the screen area first. Once you ... you have a good foundation to work out what is going ... data. There tends to either be a copy routine to blit some large ... that write directly to the screen. These then tend to give clues on ...

... requires tbl_scraddr be aligned to a 256 byte boundary< ... b
; look up screen address from the table
; copy this to HL but add col onto ... /> ; blit 8 pixel row to screen
ld a, (de ... like that are safe to change as well (but ...

... ]
; de pointer to 8 bytes graphic data
to a 256 byte boundary ... br /> ; look up screen address from the table
; copy this to HL but add col onto ... /> ; blit 8 pixel row to screen
ld a, (de ...

... /> ld h, (hl)
; copy this to HL but add col onto ... :
; blit 16 pixel rowdata to screen in cells at column C ... /> ld h, (hl)
; copy this to HL but add col onto ...
; blit 16 pixel rowdata to screen in cells at column C ...

...
; look up screen address from the table
; copy this to HL but add col onto ... blit 16 pixel rowdata to screen in cells at column C ... , (hl)
; copy this to HL but add col onto ... blit 16 pixel rowdata to screen in cells at column C ...

... , (hl)
; copy this to HL but add col onto ... blit 16 pixel rowdata to screen in cells at column C ... , (hl)
; copy this to HL but add col onto ... blit 16 pixel rowdata to screen in cells at column C ... blit 16 pixel rowdata to screen in cells at column ...

... /> ; A -> attrib to set when clearing screen
cls:
di ... #A000 if you want to draw directly to the screen
; (not recommended ... that), but drawing to the screen is easiest thing to do
; so ...

... /> sprite8x8a:
; calculate screen coordinate of top of cell ... ; hl points to high byte of screen address
... (hl)
; copy this to HL but add col onto ... ; blit 8 pixel row to screen
ld a, ( ... lookup table to get the screen row starting ...

... /> sprite8x8a:
; calculate screen coordinate of top of cell ... ; hl points to high byte of screen address
... (hl)
; copy this to HL but add col onto ... ; blit 8 pixel row to screen
ld a, ( ... lookup table to get the screen row starting ...

... h, (hl)
; copy this to HL but add col onto ... ; blit 16 pixel rowdata to screen in cells at column C ... h, (hl)
; copy this to HL but add col onto ... h, (hl)
; copy this to HL but add col onto ... h, (hl)
; copy this to HL but add col onto ...

...
; look up screen address from the table
; copy this to HL but add col onto ... br /> ; look up screen address from the table
; look up screen address from the table
; look up screen address from the table

... /> ld de, shiftdata_lbuff
; copy 8 bytes to both buffers. this trashes ... /> ld h, (hl)
; copy this to HL but add col onto ... br /> ; blit 16 pixel rowdata to screen in cells at column C ... ld h, (hl)
; copy this to HL but add col onto ...

...
; look up screen address from the table
; copy this to HL but add col onto ... br /> ; look up screen address from the table
; look up screen address from the table
; look up screen address from the table