-
Speeding up select processing...Hi Folks, I have the following code in my program and it works fine but is rather "sluggish". I have even moved it to the beginning of the program …
... has the address of the ATTR P system variable.
[/LIST]
[B]Line 270 [/B]- sets ATTR P to bright yellow paper with ... -
PFlagsIs there an explantion somewhere of what bits mean what in the printing flags? 1 23658 FLAGS2 More flags. 1 23693 ATTR P Permanent current col…
... More flags.
1 23693 ATTR P Permanent current colours, etc., (as ... ).
1 23694 MASK P Used for transparent colours, etc ... bit is taken not from ATTR P, but from what is already ... the screen.
N1 23695 ATTR T Temporary current colours, etc ... -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... clear the screen with the ATTR P settings, reset PRINT AT without ... -
Changing the colour of the screenCan anyone tell me the ROM command to change the paper colour of the main screen ?
... paper, ink.
system var - ATTR-P (23693)
then use ... -
Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
... the permanent ones
; from ATTR-P.
; Having cleared all ... -
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…
... [B]POKE [/B]the [B]ATTR P [/B]system variable and in ... ]POKE[/B]'d to [B]ATTR P [/B]takes the format:
IN or INKEY ?just curious which is better to use.. I have a menu done.. and use 6/7 to go up down it + space to cycle thru the options (using inkey).. obv. if I w…
... REM ATTR P
240 LET p=23693
250 REM Setup ATTR storage ... selected row
300 POKE p,7: PRINT AT 15,5 ... : OVER 1
360 POKE p,86: PRINT AT t1,1 ...So easy to use.Back in the 90s I was off work for 3 months following an operation, anyway in my boredom I dusted off my old speccy+ and the manual, and got my head …
... /> where 23693 is the [B]ATTR P[/B] system variable.
where [B]ATTR[/B] is:
INK ... fact I define a constant "p" in my program that is ...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…
... to hold the value of ATTR-P.
The inline fix ...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 want to bit diddle ATTR-P) but the example I have ... /> STREAM 03 LEADS TO CHANEL 'P'
[/code]
Heres ...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…
... syntax
ld hl, (attr_t) ; attr-t and mask-t to ... (attr_p), hl ; HL to attr-p and mask-p
ld hl, p_flag ... /> xor (hl) ; exclusive or with p-flag
and %10101010 ; discard ...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…
... l ; restore p-flag
pop hl ; unstack temporary attr and mask ...
ld a, (attr_p) ; attr-p to A
.endif
Hacking the ZX Spectrum 48K ROMHi Guys, I have modded my Speccy with a dual boot ROM loading on first bank the original ZX kernel and on the second bank an enhanced version. I h…
... you can see, the ATTR-T, ATTR-P and BORDER variables are all ... BORDER are relevant; and ATTR-T and ATTR-P use the standard attribute ...how do i change the color of the input statement "" and whatever is typed in it?the background ink doesnt seem to change it
... system variable. If you set ATTR-P sys var to the attribute ... you require and MASK-P to 0, you might get ...BASin Release 6 available for DownloadHi all - It's another cut'n'paste from CSS :) I've been tapping away again, and seeing as a couple of people have recently seen BASin's latest bits…
... here (fat chance, I know :p) or at [email="ZXSpin@Speccies ... expression (including such stuff as ATTR). Any that require a string ...Need help with my P flag!Not sure if I've emulated the P flag correctly when its comes to overflows. Here's what I've done: LD A,123 LD B,16 ADD A,B Twos Complement of 123 …
... if I've emulated the P flag correctly when its comes ... , causing an overflow and setting P.
If B was 1 ... then P would be reset.
u?op ?p?sdn.8??n u? ?b?d ??? bu???pu?? ?ou ??? no? ?o s?uo? ???nb?p?u? ???? no? u??? s???nbs ??s ?1uo u?? no? ?? .u?op ?p?sdn ?s?1bu? ?s?? ???o1 ????? o? ?1q?1?…
.8??n u? ?b?d ??? bu???pu?? ?ou ??? no? ?o s?uo? ???nb?p?u? ???? no? u??? s???nbs ??s ?1uo u?? no? ?? .u?op ?p?sdn ?s?1bu? ?s?? ???o1 ????? o? ?1q?1???? s????????? p???? ?bnou? ??? ????? ?po??un ?o ??b?? ??? o? s?u???I.P. Addressable equipmentThis is an appeal to the circuit board guys. One of my projects currently at work is to research the viability of making some of our products I.P. Ad…
... some of our products I.P. Addressable. Mainly the power sequencers ... wants to have them I.P addressable and on the network ...Epson P-5000 troubles.Very vague and a bit specialised, I know, but... My wife has gone and bought herself an Epson picture storage device fingy [url]http://www.amazon.c…
... ://www.amazon.co.uk/EPSON-P-5000-Multimedia-Storage-Viewer/dp ...BASIC Keyword ReferenceRealised that the Sinclair Basic section would be a better place for discussion of BASIC keywords, so for reference the old thread is in [thread=2005…
... : SYM + 6
ATTR : E : SYM + L ... : W PRINT : K : P
DATA : E : ... : SYM + V ? : E : SYM + P
: : KLC : SYM + Z = ...eBay extends zero p&p ruleI tried listing a couple of PC games on eBay last night, and discovered that they've extended to the computer games section the block on sellers char…
... just add the cost of p&p to the starting price ... I wasn't charging for p&p I'd effectively not ... of which sections now prohibit p&p charges.The best ... beginning with "P"Name (in your opinion) your "Best game beginning with [A to Z, one letter per post]". So, for the letter "P", which do you think are the: [B]Bes…
... post]". So, for the letter "P", which do you think are ... strikes back with some great "P" games - Pyjamarama, Project Future, Pssst ...P-47 Thunderbolt (missing artist)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003575"]P-47 Thunderbolt[/URL] ROZ lower left. Ross Harris? (already credited) [img]http:…
... .org/infoseekid.cgi?id=0003575"]P-47 Thunderbolt[/URL]
p/gif/P-47Thunderbolt.gif[/img]emulation of .p filesHello I search games about alien in Z-81 games. I get the tosec files. I would to know how to run .p files ?
Hello
I search games about alien in Z-81 games. I get the tosec files.
I would to know how to run .p files ?Ebay Scraps Compulsory Free P&PEbay have finally realised that Compulsory Free P&P was driving away the smaller seller. [url]http://sellerupdate.ebay.co.uk/april2010/free-shippi…
Ebay have finally realised that Compulsory Free P&P was driving away the smaller seller.
[url]http://sellerupdate.ebay.co.uk/april2010/free-shipping-replacement.html[/url]J&P Electronics Ham radio programsFor these programs linked below G4OIK is the ham call sign for J.E. Price and G4OIL for J.E. Price (same name different person) so the authors for th…
... /are J&P Electronics that J&P Electronics Ltd is ... 's published by J&P Electronics Ltd it does say ... JEP Electronics but J&P Electronics towards the back!
Machine code issue...Hi Folks, My trials with MCODE continue and I am stuck. I wrote the following program in BASIC to simply POKE an attribute byte in to a "box" on th…
... Parameters:
1015 REM p(1)=Y Coord
... 1045 LET a=22528+p(1)*32+p(2):
FOR ... c=1 TO p(4):
POKE a,p(5):
LET a=a+32-p(4):
NEXT b: ... 010058 LD BC,22528 ;BC=ATTR Address
09 ADD ...Any MCODE programmers fancy a challenge?Hi Folks, I have been using the Micro-Print utility in the archive and found it to be really good. It is the one that provides 32, 36, 42, 51, 64 a…
... =0: LET ar=7: LET p$="This text is in "+STR ... : LET ar=2+64: LET p$="This text is in "+STR ... : LET ar=4+128: LET p$="This text is in "+STR ... =Column
360 REM ar=ATTR
370 REM INK+(8 ... )+64+128
390 REM p$=Text
400 REM RANDOMIZE ...Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... .
The O.C.P Full Screen Editor/Assembler was ... also developed the O.C.P Art Studio - another software tool ... . I modified the O.C.P assembler adding a new command ... snapshots of the O.C.P assembler while it was running ...
