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Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... )
entryPoint:
; set white paper and black ink over the ... ; move on to the next 8-pixel group
call label2addr ... /> ld a, h
and 8 ; check if we reached the ... /> ld a, h
and 8 ; test if we're finished ... -
Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... /> SUB E ; take it from 8
RLA ; double value ( ... LD (YOFFSET),A
CP 8
JR NZ,ok1
; MERGE SPRITE COLOR WITH EXISTING PAPER COLOR AND BRIGHTNESS
; LD ... -
Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... /> SUB E ; take it from 8
RLA ; double value ( ... br />
; Middle 8
EXX
LD HL ... ; MERGE SPRITE COLOR WITH EXISTING PAPER COLOR AND BRIGHTNESS
; LD ... -
Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... /> SUB E ; take it from 8
RLA ; double value ( ... br />
; Middle 8
EXX
LD HL ... ; MERGE SPRITE COLOR WITH EXISTING PAPER COLOR AND BRIGHTNESS
; LD ... -
the happiest days of your life-pt2hello,again i have come up with 2 solutions to the problem of solving this game:- 1.the more people that try to solve this game (by combining diffe…
... Deck : Empty
125 The Paper Is Blank
126 The ... (Mr. Squelch) and Blank Paper (Gym) = Typed Paper
17p Stamp (Cycle ... the map
until step 8 as I didn't realize ... -
Why relativly bad colour on Spec compared to other 8bit?Why relatively bad colour on Spec compared to other 8-bit machines like the Master system or even c64? I understand the 8x8 block that you could hav…
... a rather chunky method in 8*2. It's still cool ... mode although it's actually 8*2. I compare it to ...
11110000
Ink Paper
( or vice versa, I ... , whether the mode is 8*2 or 8*1, they can only ... as a regular cell, unlike 8*2 FLI
I ... -
Zecut0r and ZAFA while ago (about 2 yrs)i took VbSpec and tried to port it to Delphi 6. Althought it was pretty weak, it. Meanwhile DelphiSpec 0.1 appeared and i wa…
... position"
?j paper
;"set paper colour using value in ... "
?j paper
;"set paper colour to value in ... set the colours"
8
?j mul
?k ... />
?j paper
;"resets paper colour from var j ... -
If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…
... colour clash, ie keeping the 8 basic colours with their respective ... the limitations of INK and PAPER of the low-resolution grid ... basic colours. BRIGHT, INK and PAPER would have no real meaning ... of simply having 16 INK/PAPER colours per attribute square. FLASH ... -
If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…
... colour clash, ie keeping the 8 basic colours with their respective ... the limitations of INK and PAPER of the low-resolution grid ... -
CodeMasters and Elite - Retro Titles(Copied over from another thread).... Has anyone noticed that CodeMasters are allowing a free download of 'BMX Simulator' (C64 version), in a .EXE w…
... snapping at are arses on paper rounds and made them rich ... pleased that a once budget 8 bit company such as Codemasters ... -
Dixons - and the "death of the video"MIKE: Right. That's it. "Your video is now ready for use. Insert cassette, rewind to beginning of tape, and press play. Happy viewing!" VYVYAN: Ha h…
... , they are a waste of paper for the price. Often costing ... that ?1 out of every ?8 spent in the UK goes ... -
Spectrum programmingI have a Spectrum+ at home. I tried to write some programs in BASIC (IIRC i wrote a breakout clone in which you had to hit those spider-like characte…
... attribute format is FLASH/BRIGHT/PAPER/INK, with INK being ... the low 3 bits, PAPER the next 3. Bitmap ... pixels that are 0 are PAPER, and those that are ... square. FLASH inverts the PAPER and INK colours at a ... Instead 4020h refers to line 8 rather than 1 (which ... -
New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... =10:
5 INK 0 : PAPER 7: CLS
6 PRINT ... ;0)
50 IF K$="8" THEN X=X+(X -
Preservation QuestionsHi, I went reminiscing of the past recently and found this site, and firstly can I say thank you VERY much, this is by far one of the best Spectrum s…
... - original large box with paper leaflet instructions
Avenger ... original hardback box with small paper leaflet instruction booklet
... box with instructions and paper leaflet alternate language ... ;p.
**Alien 8**
Batman Penguin Plot< ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... /> Chr$ 7 = Edit
Chr$ 8 = Cursor back
Chr$ 9 ... ,0-9
Chr$ 17 = Paper 17,0-9
Chr ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
Try this...
PAPER 7: CLS : POKE 23624,BIN ... , BIT6=Bright, BIT5,4,3=Paper, BIT2,1,0=Ink.
...23637/8 hold the next line number ... -
JSW - Is this possible?There's an object in the Conservatory Roof which I reckon cannot be collected without losing a life. There's a snapshot taken in the Conservatory …
... ones in rooms with black paper background), the way you get ... the Guardian-Class Table (40960 + 8*c) and takes a working ... copy of the 8 bytes for the class of ... HL,HL ; HL = 8*(256*20 + L) = 40960 + 8*L[/code]
Help with loading knowledgeHi. I'm new to spectrum coding and have a few questions to do with how the spectrum loads programs. You press LOAD "" and play the tape, and it find…
... REM **********************
60:
70 PAPER 0: INK 5: BRIGHT 1 ... 0
100 PAUSE 0: PAPER 5: INK 0: BRIGHT 0 ... from Earth (ne";: POKE 16632,8: POKE 16888,16:
PRINT ...ZX-PC InterfaceRight - i'm 34 and I cant take the pain of waiting for tapes to load any more - somethings gotta give ( either the tape deck or me ). I've seen a 'Z…
... determnine whether there is a PAPER JAM or the printer is ... 13 12 11 10 9 8 7 6 5 4 3 ... /> 7 D5 25 GND
8 D6 26 GND
9 ...coloursJust wondering if any of you 'experts' could answer this question... When Clive invented the Speccy, and he selected the colours used... Instead of…
... 3 bits for paper, the rest of byte (1byte=8 bits) is ... component which leads to 2 (paper and ink) x 3 (components ... ) x 2 (bits) (> 8 bits)for one attributte square ...Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…
... binary I could have an 8 byte buffer to store the ... /> First take a piece of paper and write all the start ...Information on SpecyBob or other new spectrum hardware?Hello all, I'm looking to make a new spectrum from scratch, and would like to find information online etc about how to go about doing so. I've heard …
... of 4 memory reads per 8 pixels (capable of all normal ... , it could handle resolutions from 8 pixels x 1 scanline (With ... bright attributes for ink and paper instead of the useless flash ...Amazing Short Type-InsHey all ! Been having some pretty stressfull days lately so I tought I would type in some games. There was a very nice type-in book here in Slovenia…
...
[code]
1 PAPER 7: BORDER 7: INK 0 ... =-21
70 BORDER 7: PAPER 7: INK 1: CLS
120 IF INKEY$="8" THEN LET r=r+1 ... +1: PRINT AT 0,0; PAPER 5; INK 0;w
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... saw an ad in the paper for a Story Writer for ... Bombay. I was there for 8 months (they lost the plot ...ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... 1 ink and 1 paper colour per 8*8 cell, I was just ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... />
void *ss_draw; // +8 struct sp1_ss + 8 bytes ; points at code ... is RED ink on GREEN paper.
Program ... to black ink on cyan paper:
[code]
... made BLUE INK on GREEN paper, are clipped against " ...
