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Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... , call the printing routine, put back all the
;registers again ... and leap back to the operating system.
;Store the first byte of the character (the width ... the width indicator byte and put it back at the start of ... -
BASin Problems etc.Hi Folks, Paul has asked me to open this thread to document any outstanding issues that we find within BASin. No guarantees that Paul can/will fix …
... using. Can you switch it back to "None-GDI" and try ... one occasion, where Dunny used "byte" type, sometimes it overflow(caused ... -
Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …
... works ok, and binaries are byte-to-byte identical.
[i ... . Ultimately I ended up going back to the hex editor to ... -
Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... ld (hl), b ; high byte of the output routine
byte of the offset
inc ... (hl), d ; the high byte of the offset
ret ... /> push de ; back again and leap back to the
... /> djnz rotlp ; each byte is in the right colour ... -
fast font engine possible?inspired by the recent "proportional font" thread for zx basic and ideas for gui and having done some of the work on this in the past i wonder if it …
... get the full 8 rows back to define the character with ... width table you simple use byte sized offset (ascii) and sum ... from this great trick. first byte of each character definition is ... -
Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... routine that converts a 16 byte number into a 5 character ...
;exit routine if EOM byte zero found
push hl ...
jr pmess_loop2
;go back for another letter
mess_display ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... ld (row), a ; write it back
ret
... (de), a ; write it back
inc d ; point ... (de), a ; write it back
inc d ; point ... ld a, (hl) ; read byte at destination
rrca ; shift ... (de), a ; write it back
inc d ; point ... -
3D Construction Kit User Group NewsletterThanks to a contributer to the Lemon64 board, I now have the (near) complete set of 3D Construction Kit User Group newsletters, which feature Speccy …
... a successful IFEQ.
[*]The byte at B694 is the state ... User group member. I looked back at issue 11 and I ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... drawing is done to a back buffer first and then copied ... has a host of calling back and forth to the app ... changed. An 8-byte (9 byte including attribute) back buffer is used to ... . The fixed address of the back buffer can speed up and ... -
CrusoeI'm making slow progress in mapping & debugging this game, having to restart several times due to various unfortunate events. The latest was getting …
... that it's large in byte-size?
3) Assuming ... 's probably very simple) . Large byte-size. Anyway I'm redoing ... it finished as I'm back to work tomorrow now that ... illness. Think I may go back to my lurking now (unless ... -
CrusoeI'm making slow progress in mapping & debugging this game, having to restart several times due to various unfortunate events. The latest was getting …
... 's probably very simple) . Large byte-size. Anyway I'm redoing ... it finished as I'm back to work tomorrow now that ... illness. Think I may go back to my lurking now (unless ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... of both): paint everything to back buffer then copy entire affected ... just need to store a byte per character cell. That way ... -
Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…
... . This sets up a 168 byte table and fills it with ... elsewhere.
So going back to the placement of the ... -
Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…
... being drawn then the following byte decides how many, or a ... byte to say when to stop.< ... so I tend to scale back my plans (I have a ... game that I may come back to when I have more ... -
Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…
... increments the Spectrum's three-byte FRAMES counter fifty
; times ... .
LD ($5C78),HL ; Place back in FRAMES1.
LD A ... ) ; otherwise increment FRAMES3 the third byte.
[/code] -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... [/url]), and now I'm back to juggling Speccy stuff with ... just skipping over a new byte in the data stream - not ... . There's even a spare byte in the 'end of frame ... -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... [/url]), and now I'm back to juggling Speccy stuff [/quote ... . There's even a spare byte in the 'end of frame ... -
Krakatoa not workingI can't get any of the Krakatoa files in the archive to load on spin or zxds. Anyone else had this problem?
... kindly supplied by Karl Brown back 2004 I think.
Looking ... perhaps pulses amounting to 1 byte worth of false data ? Maybe ... -
A Pointless Propotional Font demoSomething I've made the last couple of days, which is probably completely pointless, but might be a bit amusing. It's also not worthy of posting thi…
... , and it uses almost every byte, without even space for adding ... ]I thought I?d get back to writing adventures and I ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
...
xor a ; first font byte is always blank
ld ... ld a, (de) ; get screen byte
SCR_MASK:
and %00001111 ... ld (de), a ; write result back to screen
inc d ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... /> L0EA5: LD A,D ; bring back the line to A.
ld a, (de) ; get screen byte
SCR_MASK:
and %00001111 ... /> ld (de), a ; write result back to screen
inc d ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... ;552206]Some of those 128 byte competition routines must use them ... i have my ubuntu screen back i have that desparate look ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
...
xor a ; first font byte is always blank
ld ... ld a, (de) ; get screen byte
SCR_MASK:
and %00001111 ... ld (de), a ; write result back to screen
inc d ... -
Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…
... , which is a 512 byte PROM. The only analog ... loaded into my 48K Spectrum, back in 1984 :)
byte portion of interest at normal ... assumed that the 512 byte block is present at ... fall entirely into this 512-byte block (as expected).
... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
...
xor a ; first font byte is always blank
ld ... ld a, (de) ; get screen byte
SCR_MASK:
and %00001111 ... ld (de), a ; write result back to screen
inc d ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
...
xor a ; first font byte is always blank
ld ... ld a, (de) ; get screen byte
SCR_MASK:
and %00001111 ... ld (de), a ; write result back to screen
inc d ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... think people who wrote it back in 1982 were geniuses.
back then it was still dim ... something really important? Some other byte informs about Spectrum issue (whether ... importance here as two different byte orders appear in one ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... think people who wrote it back in 1982 were geniuses.[/QUOTE ... in there that goes right back to the ZX80 and ZX81 ... />
[QUOTE]
Some other byte informs about Spectrum issue (whether ... importance here as two different byte orders appear in one file ...
