-
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... bytes
-each segment is 8 x 256 =2048 bytes
- ... the whole screen is 3 x 2048= 6144 bytes
< ... apart, same as 8 high bytes, adding 8 to the high ... we continue
sub 8 ;ok so we have moved ... ld d,a ;segments are 8 high bytes apart, so move ... -
Plus DI would like to get a Plus D disk drive interface for use with a Spectrum 128 I plan on acquiring in the future (I don't have the patience to use an …
dd disks are fairly easy to come across
you can always pick up some on ebay (i bought 8 x 10 brand new boxes not long ago)
also you could pick up a load of used amiga disks cheap and reformat them if you wanted -
how much for a decent spectrum set upRight, say I thought "oh, wish I'd kept my speccy stuff" and decided that I'd like to get a Spectrum 48k, printer, tape deck, interfaces, microdrive(…
... .
Microdrive Carts - ?8-10 for 4.
Zx Thermal Printer ?15 ... -
RAM Diagnostic ROMhi all, i burn this ROM from here [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm[/url] and i a…
... The Z80 CPU is a 8 bit (8 bits = one byte) processor ...
The data bus is 8 bits wide (one byte) and ... :
8 x 64k bits = 64k bytes plus another 8 x 64k bits ... in the ROM socket, IC 8 ) runs, it cannot be ... and the ROM socket (IC 8 ). It is also unlikely ( ... -
RAM Diagnostic ROMhi all, i burn this ROM from here [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm[/url] and i a…
... The Z80 CPU is a 8 bit (8 bits = one byte) ...
The data bus is 8 bits wide (one byte) and ... follows:
8 x 64k bits = 64k bytes plus another 8 x 64k bits ... (in the ROM socket, IC 8 ) runs, it cannot be ... and the ROM socket (IC 8 ). It is also unlikely ( ... -
Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…
... "Number 1:"'
V;TAB 8;X;TAB 16;B;TAB 24 ... "Number 2:"'
S;TAB 8;W;TAB 16;D;TAB ... /> ;transfer the 8 BASIC variables into 8*2-byte registers
X: LET X=Z
; 403 ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... 3 LET b=INT (y/8): GO TO 6
... INT (y/8)
5 LET c=INT (x/8)
... 6 LET hl=(INT ((64+b)/8)*8+y-b*8 ... )*256+(b-INT (b/8)*8)*32+ ... c:
LET w=PEEK hl: LET p=8-x+c*8 ... RETURN
10 LET x=xo-x1: LET y= ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... /> [COLOR=Red]LET e=b(8-x+c*8)[/COLOR]
[/code]and ... the listing it says 36.8[/QUOTE]
I thought ... with "LET e=2^( 7-x+c*8 )" would always be very ... line 6 to PLOT 255-x,175-y: RETURN) the mid ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... LET hl=16384+INT (b/8)*1792+y*256-b*2016 ... =PEEK hl: LET e=b(8-x+c*8):
IF INT (w ... =b: LET c=b: LET x=b: LET y=b:
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... =VAL (CHR$ 196+"10000000"( TO 8-x+c*8))[/code][/QUOTE]
x+c*8))[/code]
is about ...array offset (z88dk)Im trying to simulate a 2 dimensional array by using an offset [code] #include <fzx.h> char scr[768]; int arrayoffset(char x,char y) { return (x*…
... ];
char arrayoffset(char x,char y)
{
return ... ((x*24)+y);
}
void ... main()
{
char x,y;
fzx.font = ff_Swiss ...Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... .
For example, 16 x 16 pixel objects that I ... built for a 2 x 2 grid of 8 x 8 characters are now ... 16 x 16 for more efficient ...Colission detection problems.G'ah...it's always the same (I've asked before too) - I'm always struggling when it comes to doing box colission checks, so I'm basically hoping you …
... Y = 0
Enemy. X = 8
Y = 0
With x being horizontal. I think I ... combined heights minus one (16 + 8 - 1 = 23) then the ... and your player is only 8 x 8 pixels in size. They ...Colission detection problems.G'ah...it's always the same (I've asked before too) - I'm always struggling when it comes to doing box colission checks, so I'm basically hoping you …
... your case that's 24 + 8 - 1 = 31) the sprites are ... combined heights minus one (16 + 8 - 1 = 23) then the sprites ... and your player is only 8 x 8 pixels in size. They area ...so time to leave Windows XP or notSo, I finally decided to buy a SSD and I plan to install it inside my laptop. It is an old laptop, Asus X50N, from 2007, with Nforce 610m, Athlon X2,…
... have a play with Windows 8.x as there are a lot ... them not Win 8, we have 2 Win 8 machines which are ...Multimatograf demoscene - cool graphics, music, demos for votingJust st the moment there is an ongoing animation party Multimatograf, which has a demoscene competitions as well: 1. Beeper music 2. AY-music 3. Grap…
[url]http://zxart.ee/eng/graphics/parties/2014/multimatograf-x/[/url] - 53color graphics entries added.
[url]http://zxart.ee/eng/music/parties/2014/multimatograf-x/[/url] - all ZX music. Most is even playable in browser :)Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... you'd need to do x - ( 8 * INT ( x / 8 ) ). That is, divide the ... probably easist to do INT ( x / 8 ) - ( 8 * ( x > 63 ) ) which means divide ... get the existing attribute x, then do ( 8 * INT ( x / 8 ) ) + ink. In other ...ANN: Sabre Wulf on Windows Phone!30 years ago this summer Ultimate's Sabre Wulf was released and now it's on Windows Phone: [URL="http://bit.ly/sabrewulfwinphone"]Sabre Wulf on Windo…
[QUOTE=aowen;774899]I'm getting a Windows phone later this year [/QUOTE]
And I've gone the other way and switched to Android. Mostly because my Lumia 800 was locked to windows 7.8 with no chance of upgrading to 8.x.ANN: Sabre Wulf on Windows Phone!30 years ago this summer Ultimate's Sabre Wulf was released and now it's on Windows Phone: [URL="http://bit.ly/sabrewulfwinphone"]Sabre Wulf on Windo…
... no chance of upgrading to 8.x.[/QUOTE]
I'm ...ZX Spectrum PSU CasesI have 4 x original UK ZX Spectrum (rubber key type) power supply cases (no innards) and 1 x EU version. Does anyone want them - ?1 each plus postag…
... ;785916]I have 4 x original UK ZX Spectrum (rubber key type ... cases (no innards) and 1 x EU version.
Does ...Short Circuit Damage?Hey Spectrum fans, Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot -…
... myself from trying to source 8 x 4116 chips.
Whilst ...The future of WoSDear readers, I'm not sure, but at the moment, the maintenance of WoS seems to be inactive. I would be the least who won't be pleased about Martijn's…
... a like system for 3.8.x although iirc its quite messy ...16k to 48K upgradeHi everyone I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possibl…
... job.
You need 8 x 4164 RAM IC's (available ...48k Spectrum "Jail Bars" Removal?Hi all Just curious I think I saw a post here about the bars that go down the screen on some 48k's I think he referred to them as "jail bars". Any…
... resistor between C44 and pins 8 of 4116 RAMs, a 100 ... uF capacitor between pin 8 and ground (making another Greek ... access cycle. So 8 x 27mA is 216mA and 8 x 35mA is 280mA ...
