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Yeah baby !!You'll like this !! [url="http://www2.b3ta.com/heyhey16k/"]http://www2.b3ta.com/heyhey16k/[/url] EDIT: Aggghhhh DrWu has already posted this on th…
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Dont Poke My Peek !!
[ This ... -
About a CTM 644 Colour MonitorI just got myself a used Amstrad CTM644 monitor to be used with one of my +2s. I have made a cable and it works fine. BUT, I do remember someone ment…
... by reducing the brightness will hide the 50hz effect which for ... -
BASin Release 10a is up...Well, none of my releases ever get far before the inevitable bug fix version... Go grab it at [url="http://homepage.ntlworld.com/paul.dunn4/BASin_…
... CAPSLOCK on or off using POKE 23658,x - only read at ... -
Games that are easier due to bugsThis is a similar type thread, how many games are made easier due to bugs? I remember being able to bounce past the guardians in Underwurlde without…
... few underneath him, you could hide the character in a tunnel ... -
Fairlight 2, once againOK, so I'm determined to make Fairlight 2 crumble and reveal its secrets. I've been running around in part 2 with a "go through all locked doors" POK…
... "go through all locked doors" POKE and have got further than ... -
ANN: Tipshop updated Tuesday, 06 July 2004Tuesday 06 July 2004 Lots of maps, and some fairly lengthy looking new tips * Added my own POKE for Twighlight Zone (original and re-release versio…
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* Added my own POKE for Twighlight Zone (original and ... -
Decimals, bcd etc in z80...Working bloody full-time on my Ragnar Revival game right now - just finished the basic sprite engine and before I go on coding the actual 3d engine (…
... with each decimals in separate bytes, it was however easy to ... -
IM 2 interrupts and smooth scrolling - easy peasy!Okay, been fiddling around with IM 2 and have actually mastered (I think) how to use IM 2! Now I run my game Ragnar Revival in IM2 and use HALT to sy…
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... not been confirmed) put random bytes onto the data bus at ... a table of 257 identical bytes at 256 * I and use ... a table of 257 0xff bytes and place 0x18 (JR) at ... . However, hardware devices placing random bytes onto the data bus means ...ScanlinesHere's an excerpt from the FAQ: [quote] Now for the timings of each line itself: define a screen line to start with 256 screen pixels, then border, …
... if the ULA is reading bytes it does so each 4 ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... realtime, it just uses preshifted bytes table (4 kbytes
bytes for left and right ... a table with all bytes preshifted to all steps ... suitable part of preshifted bytes table to use in ... stored in BC' preshifted bytes of mask and sprite ...Calculate screenaddressWho knows where the topic about the fastest screenaddressroutine is? I can't find it in a search.. The fastest routine was to load a large table of …
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Just POKE 23607,0 !
Remember: beep ...Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
... ; Increase H, thus moving 256 bytes forward in memory to FB0Ah ... screenaddress
; Low Bytes of screen
ORG 0FA00h ...IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... ; Increase H, thus moving 256 bytes forward in memory to FB0Ah ... />
; Low Bytes of screen
ORG 0FA00h ...Character SetAlright, this may not be the right forum for this question (it does sort of relate to a game which I'm trying to get working properly - long story) -…
... the rom, but you could poke a different value in there ...In need of a Poke (ooer!)Back in my very basic Basic days, machine code was a scary thing. I think I advanced as far as 'LD HA' (or something!) before giving up. However, so…
Back in my very basic Basic days, machine code was a scary thing. I think I advanced as far as 'LD HA' (or something!) before giving up.
However, something that did make me feel more powerful was being able to enter into my basic programs ...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 …
... ; INCREASE H, THUS MOVING 256 BYTES FORWARD IN MEMORY TO FB0AH ... />
; SCREENTABLE
; HI BYTES OF SCREEN
ORG 0FB00H ... ,0E0H
; LO BYTES OF SCREEN
ORG 0FC00H ...Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
... ; INCREASE H, THUS MOVING 256 BYTES FORWARD IN MEMORY TO FB0AH ... />
; SCREENTABLE
; HI BYTES OF SCREEN
ORG 0FB00H ... ,0E0H
; LO BYTES OF SCREEN
ORG 0FC00H ...Checksums in Hobeta filesDoes anyone here have any experience with working with the internals of the Hobeta (aka .$b, .$c ...) file format, or failing that, checksum algorith…
Does anyone here have any experience with working with the internals of the Hobeta (aka .$b, .$c ...) file format, or failing that, checksum algorithms in general?
There's a checksum at byte 0x0e, which, according to [url="http://www.nvg.ntnu. ...Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... chars and takes up 320 bytes.
* Tiles are pre-shifted ... starting at
* 40960. Two bytes are used for each tile ...ANN: Tipshop updated Monday, 27 September 2004Monday 27 September 2004 Crash 1991/92, and loads of new stuff * I've finally got round to OCRing the tips from Crash 1992, and a few I missed from…
... sent in a working
POKE for Spitting Image. He also ...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…
... the modern emus ( tzx ..debug..poke/peek etc ). So i started ...Screen$Is there a quick way to get pictures off a PC e.g. from MS Paint, onto the spectrum without having to type in each individual pixel before saving the…
SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…
i guess not...but who knows..hi, ..incidentelly i found this site, and i download an emulator and then the games, and it was like a trip to the past.., unbelieveble, more than pl…
... in my brain , some very hide parts... so many images that ...Star Tip 2 - Tim Follin's 3 Channel Sound - info reqd.Hello there, I've decided to throw myself in at the deep end and decipher Tim Follin's "Star Tip 2", which produced some incredible 3 channel sound …
... in 4 groups of 3 bytes starting at #9D68.
Prior ... a group of 6 "control" bytes (I know they're control ... bytes because they start with #FF - ... know what the other 4 bytes do?
Has anybody stayed ...
