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Store and restore attribute valuesI am needing ideas on how to write a machine code routine that will store/restore (more important to restore) attribute values to the 22528 area. I …
At the ATTR area is contigeous you could use Battle Bunny's amazing 9 byte Memory Move routine from BASIC.
Paddy -
Store and restore attribute valuesI am needing ideas on how to write a machine code routine that will store/restore (more important to restore) attribute values to the 22528 area. I …
... =Paddy Coleman;624244]At the ATTR area is contigeous you could ... byte Memory Move routine from BASIC.[/QUOTE]
Sma-a ... -
Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
how about overwriting lines with dimmed colours?
eg.
5 print at 0,0;
10 for x=0 to 10
20 print bright 0; paper 8; over 1; ""
30 next x
it's not that fast and it takes up memory, but it's in basic :D -
Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
... ]100 PRINT AT 0,0; BRIGHT 0; PAPER 8; INK 8 ... I ever wrote a single BASIC program that didn't use ... ]100 PRINT AT 0,0; BRIGHT 0; PAPER 8; INK 8 ... -
question re. STR$ bugCould someone point me to whereabouts in the ROM this goes wrong? [code]PRINT PAPER 5;1;STR$ 234[/code] (Only the "1" prints in cyan.) It's not the m…
... aware only SE BASIC fixes these bugs (The STR$/ATTR-T bug ... -
If The Spectrum Never Existed...Out of curiosity... Just say the Spectrum was never made, what computer would you have opted for as an alternative back in the early-mid 80s? BBC M…
... the fact that it had bright colours and followed on from ... powerful programs on it. Commodore BASIC was not easy to learn ... -
The complete Spellbound (48k) RAM disassemblyHello everyone. I just wanted to share the fruits of almost two years' labour; I've produced a [URL="http://www.dur.ac.uk/philip.anderson/disassembl…
... , cwd, wdth, hght, addr, attr):
tile_addresses = ''
... br />
udgarray_macro = '#UDGARRAY' + `wdth` + ',' + `attr` + ',,' + `wdth` + tile_addresses + '(' + `addr` + ')'
Basic' routine should end with ... -
BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... 's a basic tile designer - doesn't do pretty bright and flash ... -
BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... 's a basic tile designer - doesn't do pretty bright and flash ... -
How to change the colour of an input line?Hello my fellow WoS'ers I remember the way-back machine on the humble 48k where I could write a REM statement in basic, but I could also change the …
... & 9 do Flash & Bright; see page 87 of the ... don't work in 128k BASIC listings, although they do work ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... be a limitation in SE BASIC 4 on the Spectrum SE ... still work as in SE Basic they're not stored in ... size is 480x192. In SE BASIC the draw commands will only ... 't work. [/quote]
Technically BRIGHT is always on, but there ... ]
Thanks. Next up SE BASIC 4. -
Changing the colour Atributes at y,x (+3e BASIC)Hello there my fellow WoS'ers I am currently writing away on my +3e and I am wonder is there a way I can just effect the Paper / Ink attributes at Y…
... "; yellow ink, blue paper and bright
I want to ... yellow ink / blue paper and bright ?
perhaps using ATTR ? -
Changing the colour Atributes at y,x (+3e BASIC)Hello there my fellow WoS'ers I am currently writing away on my +3e and I am wonder is there a way I can just effect the Paper / Ink attributes at Y…
... "; yellow ink, blue paper and bright[/QUOTE]
Ye-e ... ,5; INK 6; PAPER 1; BRIGHT 1;"Process List"
20 ... ,5; INK 5; PAPER 2; BRIGHT 0; OVER 1;TAB 17 ... on the screen as well. ATTR will only tell you what ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... pointer is stored in the ATTR-T system variable and SP ... /> No they weren't. Super BASIC, which eventually showed up in ... -
Work out attribute location in MCHow do I go about writing a MC routine which calculates the attribute address from a set of PRINT co-ordinates. I know you in basic you multiply the…
... -ordinates. I know you in basic you multiply the vertical co ... ).
2. Start of attr ram is 0x5800(16) = 0101 ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... to INKEY$. This line of BASIC demonstrates the problem:
[code ... .
* Cursor is a plain bright non-destructive square.
* The ... at line 116, but the BASIC routine would also have to ... -
real value of some of these books as learning aids?Ok, I admit perhaps it was a late night and frustration. :???: I could have been hallucinating when i was doing the typein. But I think not.. [url]…
... 22528+768
30 LET attr = INT (RND * 255)
40 ... POKE a, attr
50 NEXT a
bright as well, change it to ... (since second last bit controls BRIGHT ON/OFF).
Similarly ... -
Hep needed with a bit of code...I've written a bit of code to make a character move across the screen, but the counter stops at 29 when the 3 lines to delete the characters trail ar…
... to get rid of the Bright square, and prints the character ... done just as easily in BASIC). -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... change to get the spectrum basic listing to work in your ... that have no meaning (like ATTR and BORDER) are not implemented ... . The vast majority of speccy BASIC programs run with very little ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... that have no meaning (like ATTR and BORDER) are not implemented ... . The vast majority of speccy BASIC programs run with very little ... -
Get a listing to .txtI am messing with an old Spectrum game which was written in Basic for the 48k Speccy (not compatible with 128s). I get an error in the begining of th…
... Add ZX Printer, load the basic program with MERGE "" if you ... . Then, I select 128K BASIC from start menu, load the ... BASIC program with MERGE "" if ... 0: PAPER 0: INK 7: BRIGHT 1: CLS
15 PRINT ... : PAPER 7: INK 0: BRIGHT 0: CLS [/code] -
Converting UDG to 2x2I've got a udg that I want to display in different sizes. Obviously I just print it for normal size, I can use the udg in bin format to display it ea…
... reinvented the wheel for ZX Basic a bit ago...
attr = attr bAnd 248
attr = attr bOr (m bAnd 15 ... = 2 Then
attr = attr bAnd 199
attr = attr bOr ((m bAnd 15) -
Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…
... image, which means operands and BASIC areas. I've not checked ... tweak the image now uses bright colours for instruction starting bytes ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... /> [CODE]10 REM zx sporg basic v0pt003 20130215
20 REM ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... /> [CODE]10 REM zx sporg basic v0pt004 20130215
20 REM ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... /> [CODE]10 REM zx sporg basic v0pt005 20130215
20 REM ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... /> [CODE]10 REM zx sporg basic v0pt006 20130216 - next to do ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... /> [CODE]10 REM zx sporg basic v0pt006 20130216 - next to do ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... /> [CODE]10 REM zx sporg basic v0pt017 20130224 - next to do ...
