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Interupt service routinehas anyone set up a interupt service routing with pasmo? this one I tried resets the speccy EDIt- I placed the code after the END directive, I fi…
... the 257 byte vector table:
ld hl,48640 ; 190*256
ld bc,256
ld (hl),189
ld (48573),a ; 189*256 + 189
ld hl,my_isr ... -
ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... /> _ulzfa020:
;;
;; get control byte
ld a,(hl) ; 7t ... - rotate length to start of byte
rlca ; 4t
... now the length (can be 256 (or zero) due to the ... ,c ; 4t - bring back control byte
and %00011111 ; 7t - ... -
ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... :
;;
;; get control byte
ld a,(hl) ; 7t ... use 2nd byte to get full length -> max 256
... 5bits of 1st byte combined with a 2nd byte
// ... /> store_c=store; // control byte pointer -> start of storage ... -
ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
...
having length >256 - 0 byte impact. I've tested this ... never got a run >256. Maybe due to the way ... -
ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
...
having length >256 - 0 byte impact. I've tested this ... never got a run >256. Maybe due to the way ... -
ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... larger length in the first byte, if so yes and it ... worth noting that lengths above 256 are very very rare so ... a simple cost calculation per byte at the moment.
ZX-Paintbrush and global palette and ula+ supportHello, I think I need some help for the palette issue of ZX-Paintbrush. I want to check whether the way I'm about to clear the palette handling i…
... order to get a 64 byte raw set of CLUTs, I ... as RGB byte sequence. If the file size is 256 (I guess ...ZX-Paintbrush and global palette and ula+ supportHello, I think I need some help for the palette issue of ZX-Paintbrush. I want to check whether the way I'm about to clear the palette handling i…
... as RGB byte sequence. If the file size is 256 (I guess ...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…
... the following routine:
[code] ALIGN 256
@klPageMap: db #10, #11 ...off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…
... pixels I decided to "waste" 256 bytes for a column. This ... INC H to go one byte right
It's ...
