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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 …
... />
LD (restorec+1), SP
... FE
IM 2 ; SELECT IM2< ... SO A NOW = 14H (20) + 40H = 54H
... AND %01111000
; OR (3)
; LD A ... 0
DEFB 255,0
DEFB 255,0 ... -
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 …
... How can I copy 2/3 of the screen ( ... br /> LD (hl3a+1),HL
EXX
20) + 40H = 54H
... AND %01111000
; OR (3)
; LD A,C ... ,0
DEFB 255,0
DEFB 255,0< ... -
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 …
... =FE
IM 2 ; SELECT IM2
LD (hl3a+1),HL
EXX< ... ; SO A NOW = 14H (20) + 40H = 54H
... AND %01111000
; OR (3)
; LD A,C ... ,0
DEFB 255,0
DEFB 255,0 ... -
Fast division in machine codeHi Does anyone know what is the fastest way to divide a 16 bit number by 24 in machine code. Derek [ This Message was edited by: dmsmith on 2004-0…
... 1/24 = 0.000010101010101.... in binary or 1/24 = 1/32 + 1/128 + 1/512 + 1/2048 ... the first N+1 terms of 1/32+1/128+1/512+....
... of unused terms) is (1/(32*4^N))*SUM( ... 1, error is 8. If N=2, error is 2. If N=3 ... , error is 0.5. So ... -
Programming Sound EffectsHi guys, Have decided, probably due in some way to my midlife crisis, to tart up and re-release (or even just re-lease) the old 48K Speccy games I w…
... one to output a 0 or 1 to the speaker, commanding ... 4/8 = 0.5
10000000
duty = 1/8 = 0.125
11000000
duty = 2/8 = 0.25 ... , with a duty of 0.5, you'd expect the ... for a log2(8) = 3 bit DAC equivalent.
... -
Retro scenes slowing down?There was a post last month about fewer people posting here, but is the entire retro scene in recession? I'm talking about fewer updates on websites…
... an order of 8 or more tapes at a ... hopefully...
1. DOMINION (BBC)
out ... around 2 weeks
5. PGD (Spectrum)
around 3 weeks< ... br />
6. ASTRO NELL (Vic 20)
Who the fcuk is Paul McKenna??Disappointing development: [url="http://www.worldofspectrum.org/showwrap.cgi?permit=houses/McKennaPaul.pmt"]http://www.worldofspectrum.org/showwrap.…
... sound of silence. theres about 5 minutes of silence, i believe ... , also had a small sticker or bit of paper stuck over ... eyes, not around the eyes....3...2...1....your back in the room ... by: stupidget on 2005-02-20 01:02 ]InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
[quote]
On 2005-02-20 22:21, Mr Millside wrote:< ... providing some info or a link about IM 2.
[/quote]
2/I*256+3. BUT, if odd ids were allowed, then id 1 ... this would conflict with ids 0 and 2.
This convention ...Cruiser Power play and a game with a forgotten name problemI have a cruiser power play joystick connected to a +2B but i don't know how to identify it (kempston, cursor, interface 2 ... ) The other issue is…
move the joystick when in BASIC. If it gives you 5,6,7,8 and 0 then it's a cursor joystick. 1,2,3,4 and 5, or 6,7,8,9 and 0 it's a Sinclair joystick.
Kempstons won't do anything, but I don't know about the others.Who will you vote for in the UK General Election?The miscellaneous section used to be mainly about miscellaneous Spectrum things, but since its now changed, I'll break with tradition: Just out of i…
... minimum wage to collect trollies or stack shelves ? I mean ... slept around in all his 20's and then got the ... out every year. 3 different fathers, now 5 kids. Apparently according ... been 'unlucky' !! 1 or 2 perhaps unplanned is unlucky but now 5 ??
Amiga emu Where i can find good emu for Amiga(any)? [ This Message was edited by: Jet set Z on 2005-01-08 20:29 ]
... Density)
or
2) a normal HD Floppy ... window, because windows xp or any version of windows 9x ... />
Workbench 3.0 or 3.1 has Crossdos, Which is easily ... rather than just icons or you'll pretty much ... on 2005-05-07 20:31 ]How do I get a random numberHi, I need a simple routine to get a random number from 1 to 4. I don't need nothing very complex or that much random, it just have to produce diffe…
... br /> On 2005-05-09 20:43, dansauk wrote:
< ... /> pop hl
AND 3 ; number is 0,1,2 or 3
ret
< ... 0,1,2 or 3 i ANDed the value with 3.
Add 1 to get 1 ... _________________
Just POKE 23607,0 !
Remember: beep Dr ...wheres the wind????Grrrrrrrrr. The new BBC weather is driving me mad, Damned egotistical southerners. I feel sorry for anyone in the shetlands, who have been perspect…
... ZX Beccy wrote:
1.Start at London Heathrow Airport ... -
follow for 0.2 miles.
5.Bear left onto the ... East Parking" - follow for 0.3
miles 6.Bear left ... /Pampa" - follow for 1.7 miles 16.Turn right ... of the "US this or that" signs. Mapquest is ..."Name That Game" databaseAs often (sometimes?) requested, I present a first pass at a [url="http://www.srcf.ucam.org/~pak21/spectrum/namethatgame"]Wos Forums Name That Game d…
... =2831&forum=2&1"]http://www.worldofspectrum ... =2539&forum=2&5"]http://www.worldofspectrum ... =2308&forum=2&3"]http://www.worldofspectrum ... =1999&forum=2&20"]http://www.worldofspectrum ... =1832&forum=2&0"]http://www.worldofspectrum ...Spectrum emulator tests on WEB?I searched little with google, but didn't find it. Can I get some URL?
... in Rice Video version 6.1.0 under the "Texture Filters" tab ... are dumpped in 3 (or 2) files
[filename part 1 - 4]_all.png ... 1]#[part 2]#[part 3]#[part 4]_[part 5].[extension]
part 1 ... /> 1 = 8 bit
2 = 16 bit
3 = 32 bit
part 5 ...how do i read the keyboard in assembly? here is the code i tried writting to find out the value of a key call 28f (hex) loop: ld a,255 cp e jr z loop ld (50000),e ret notes from what i …
... /> 0 = B
1 = H
2 = Y
3 = 6
4 = 5
5 ... = I
19 = 8
20 = 3
21 = E
22 ...
27 = 9
28 = 2
29 = W
30 ... /> 34 = P
35 = 0
36 = 1
37 = Q
keysHello speccy fans, I have been trying to play `Monty on the Run` through an emulator and have found that the only one that will allow me to use the …
In Spin 0.504 option Emulation> ... 1.1 select Option>joysticks... Then for both Player 1 and Player 2 ... On RealSpec, EmuzWin and Spectaculator 5.30 I could not solve ... -11-06 20:02, Z80 wrote:
Or is Woodys ... not a fan of cursors or joysticks. I like the ...How many Speccy's Did U Own?Hey guys, just wondering how many Spectrum's you lot owned???? I had 3....I used to smash them up when I got pissed off on a game...Seriously....tha…
... of these are faulty, or are so far in the ... br /> 9 VIC 20 *****
2 COMMODORE 16 ***
2 COMMODORE PLUS 4 ... br /> 2 ORIC-1 ****
1 ORIC ATMOS ****
1 ORIC DISK SYSTEM (3" + 3.5")
How many Speccy's Did U Own?Hey guys, just wondering how many Spectrum's you lot owned???? I had 3....I used to smash them up when I got pissed off on a game...Seriously....tha…
... of these are faulty, or are so far in the ... br /> 9 VIC 20 *****
2 COMMODORE 16 ***
2 COMMODORE PLUS 4 ... br /> 2 ORIC-1 ****
1 ORIC ATMOS ****
1 ORIC DISK SYSTEM (3" + 3.5")
How many Speccy's Did U Own?Hey guys, just wondering how many Spectrum's you lot owned???? I had 3....I used to smash them up when I got pissed off on a game...Seriously....tha…
... of these are faulty, or are so far in the ... br /> 9 VIC 20 *****
2 COMMODORE 16 ***
2 COMMODORE PLUS 4 ... br /> 2 ORIC-1 ****
1 ORIC ATMOS ****
1 ORIC DISK SYSTEM (3" + 3.5")
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…
... 10 9 8 7 6 5 4 3 2 1
.-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-.
... 25 24 23 22 21 20 19
or you can only save ...ZX Advance on the DS....It's fantastic!!! I new soon or later I was bound to get a DS, even though I have Zero time to play with it, and I am glad I did!! First thing I did …
... /> Press 1 for Keyboard
Press 2 for Sinclair
Press 3 for ... of seconds to switch from 1 to 3 for exapmle.
... the flash memory(firmware) or by a pass-me-trough ... yet, because ZX Advance2.0 is not yet out,therefore ... q_armando on 2005-12-16 20:55 ]
