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Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... a,$02 ; select upper screen channel ...
call $1601 ; ... and ... codes
rst $10 ; otherwise print control character
inc hl ... into A
rst $10 ; print it
inc hl ; point ... easier to write my own PRINT routine now :-(
... -
Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... a,$02 ; select upper screen channel ...
call $1601 ; ... and call ... codes
rst $10 ; otherwise print control character
inc hl ... into A
rst $10 ; print it
inc hl ; point ... also developed my own dedicated "PRINT AT 19,8; INK 8 ... -
Printing textThis is probably quite a basic question, or there might be something obvious I'm missing. I'm looking for an economical way of printing formatted te…
... uses one byte for each print control instead of three, ... combining the print column with a "next ...
call 5633 ;open print channel
ld bc,9
call $203c ;PR_STRING print a string length BC from ... -
BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... system variables and add extra channel info (which I knew about ... br /> 26 POKE 54321,255: PRINT #3: RANDOMIZE 12345: READ a ... a$=CHR$ b
31 PRINT CODE "a"+COS B+EXP ... LET a$=INKEY$
32 PRINT INT a+LEN b$+LN ... : LET a$=STR$ 12345: PRINT TAN a+USR b
TXT2EMU enhancementI was looking at the encodings supported by BAS2TAP for entering graphics, print controls, etc. as plain text. Basically, there's only one needed, be…
... ASCII text file via the print channel, and a way to feed ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... ; open channel #4
ld a, 'Z'
rst $10 ; print letter ... 4
call $1601 ; open channel #4
ld hl, STRING ... is to simply remove the channel initialization part from the FZX ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... 4
call $1601 ; open channel #4
ld hl, STRING ... string terminator
rst $10 ; print character
inc hl
Does opening channel 4 affect anything else in ...Last of my +3 disks and....a Wafadrive! Anyone actually ever use a Wafadrive back in the day? [url]http://shop.ebay.co.uk/millys-pigdog/m.html?_nkw=&_armrs=1&_from=&_ipg=&_t…
... Epson printer, print graphics from Basic, a printer channel driver,
a ...C.G.D - Classic Game Designer[b]UPDATE: August 07, 2013 AN UPDATED VERSION OF CGD IS NOW AVAILABLE, DETAILS HERE: [url]http://www.worldofspectrum.org/forums/showpost.php?p=7155…
... because POKE 23739 affects the channel and CLEAR is one of ... I'm using is the print number one at 6833, and ...Strange INK behaviourThis weekend I hooked up two Sinclair ZX Spectrum with Interface 1 to try out the networking capabilities, and I ended up using parts of the Net Game…
Could it be that screen is not the 'current' channel at that moment? Issuing an empty PRINT command first may put this straight. Like PRINT;:Strange INK behaviourThis weekend I hooked up two Sinclair ZX Spectrum with Interface 1 to try out the networking capabilities, and I ended up using parts of the Net Game…
... the 'current' channel at that moment? Issuing an empty PRINT command first ... may put this straight. Like PRINT;:[/QUOTE]
That's very ... witty. Issuing [b]PRINT #2; INK 1; AT ly ... variables and change destination of channel 2)Strange INK behaviourThis weekend I hooked up two Sinclair ZX Spectrum with Interface 1 to try out the networking capabilities, and I ended up using parts of the Net Game…
... the 'current' channel at that moment? Issuing an empty PRINT command first ... . Like PRINT;:[/QUOTE]
There are definitely some colour/channel bugs ...MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... push bc
call print ;call print routine
pop bc
ret
print ld a,3 ;channel 3 printer
call ... 5633 ;open channel
ld de,dat
MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... that the $17 TAB print control needs two parameters, ... one is ignored (compare PRINT CHR$ 23;CHR$ 10 ... /> call $1601 ;CHAN_OPEN open channel A
ld l,8 ... br /> call $203c ;PR_STRING print a string length BC from ...MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... hl
print: ld a,3 ;channel 3 printer
call ... 5633 ;open channel
ld de,dat
call 8252 ;print
ld hl, 0x4800 ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... I could write a better print routine lol.
[code ... the stream data a particular channel will be made the current ... channel.[/I]
[/quote]
...SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... a backward "rompatch" with a channel or some?[/QUOTE]
PRINT #3 are functionally equivalent for ... that sets up its own channel and stream.
COPY ... the whole screen. My printer channel would provide 40 columns rather ...Use PLAY without the 128 ROMHere's a little thing I wrote called SoftPLAY: [url]http://www.worldofspectrum.org/forums/showthread.php?t=45259[/url] Now you can use the PLAY comm…
... sets as when the PRINT command hits the channel driver the alternate ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... 'S'
call chan_open ; channel
ld (iy + _scr_ct), ... C
call po_msg ; print message
pop bc ; ... ld_ch_pr:
rst print_a ; print new character
djnz ... /> ld a, ctrl_enter ; print a
rst print_a ; ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... ; channel R
call chan_open ; open it
call print_fp ; print last ... value
pop hl ; unstack current channel
call ...
call str_alter_1 ; open new channel if valid
call in_chan_k ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... org 0x1fcd
print:
ld a, 2 ; channel 'S'
... br /> call chan_open ; open channel
and a ; ... address
call in_chan_k ; channel 'K'?
jr nz, ... ) ; base address of current channel
inc hl ; high ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... leading space
call po_msg ; print the message
; ...
call out_num_1 ; print it
ld a, ':' ; print
rst print_a ... , key_input ; keyboard
defb 'K' ; channel
defw print_out, report_j ; screen ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... call nz, chan_open ; open channel if not
rst ... br /> call out_num_2 ; print line number with leading ... pointers
rst print_a ; print character
jr out_line4 ; ... out_num_5:
call out_code ; print it
pop hl ; ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... br /> rst print_a ; print one character
... open
call chan_open ; channel 'K'
xor a ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
...
call out_line ; print the line
ld ... pop hl ; unstack former channel address
call chan_flag ...
