-
+D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…
... I'll step you through R-type, since this is ... hl
ld a,h
cp 060h
ld a,(0719ch)
... data block named "r-typeA.dat". The "r-type" part of ... modified game snapshot in "r-type.z80" and the ... with 'SAVE "R-TYPE" LINE 1' -- a listing of this ... -
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 …
... this program
.byte 0 ;R
.word 0 ;AF
a
srl a
srl a
ld b, a
ld a, h
sla a ...
sla a ... -
Cobra - scrollingHi everyone, I have been studying some of the code in Ocean' Cobra game using a debugger, in the hope of improving my own scrolling routines. In cas…
Well it seems Woody is hottest. The ISR loads R with FFh.
[code]
ei
push af
ld a,ffh
ld r,a
pop af
reti
[/code]
Derek -
Savage 3Very popular game Savage (part 3 ) have some firm bug. You score always zero. I find mistake in the code and fixed it. !!!
...
54914 LD A,(58114) ;a=bonus LD HL,(58103)
OR A LD A,(58114)
JP Z,54932 ;hl=????? OR A
DEC A JP ... print
You find bug ??? :) -
Reading the keyboardDoes anyone have a code sample to read the keyboard in machine code ?
...
.nosym
ld a,(hl) ; a = ascii code
scf ; indicate ... 'q','w','e','r','t' ; Q, W, E, R, T
defb ... ,132,133,'' ; Q, W, E, R, T
defb '!','@','#','$','%' ; 1, 2 ... -
Anyone help re-factoring a tile functionI had some excellent feedback for re-factoring my function that displays the colour for my screen tiles. Can anyone offer some help to improve the fu…
... one is faster but has a bug in the tile printer "PRINTTILE ...
LD A,D
SUB 7
LD D,A
LD A,E ... -
Games that cannot be completed due to bugs - the definitive listIt would be nice if the community of WoS compiled a list of all the games that are known to be impossible to complete due to bugs. Perhaps one day, a…
... ,right,up or down (L,R,U,D).
... br />
[code]
38196 Ld a,(33824) ;Current Room
38199 ... 38230
38212 ld a,1 ;
38214 ld(34252),a ; We are at ... br /> 38217 ret
38218 ld a,(34270) ;Number items collected PLUS ... -
The SPIN AssemblerI am using the assembler in Spin but I am having a problem with "DEFS". I was hoping that it would allocate a section of memory but it doesn't seem t…
... from every occurance of ld a,(ix) or ld (ix),a. It says 'invalid ... work (they should be q,a,o,p,m looking at ... /c knowledge) before. Is it a bug, or is something actually wrong ... -
The BIGGEST Speccy ebay auction everdon't believe me? go looksy [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8176797909"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&i…
... Release )
Blizzard Pass / H.A.R.D x2
Blue Thunder ... yellow cases
?
Bug Byte - The Birds and the ... Miner x2
Bug Byte - Mazogs
Bug Byte - Peter Shilton' ... s Handball Maradona
Bug Byte - Pool
Bug Byte Premier - Peter ... -
The BIGGEST Speccy ebay auction everdon't believe me? go looksy [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8176797909"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&i…
... Release )
Blizzard Pass / H.A.R.D x2
Blue Thunder ... yellow cases
?
Bug Byte - The Birds and the ... Miner x2
Bug Byte - Mazogs
Bug Byte - Peter Shilton' ... s Handball Maradona
Bug Byte - Pool
Bug Byte Premier - Peter ... -
Key press to ASCII valueI need a bit of code that will give me an ASCII value when the key is pressed. I only really need a-z. I tried using the following code but it only s…
...
.nosym
ld a,(hl) ; a = ascii code
scf ; indicate ... 'q','w','e','r','t' ; Q, W, E, R, T
defb ... ,132,133,'' ; Q, W, E, R, T
defb '!','@','#','$','%' ; 1, 2 ... -
Machine Code: quicksort optimisationI came across this z80 quicksort implementation when going through the wikipedia article on the same. It's 44 bytes long. I was wondering if any of …
... /> ld a,(bc)
ex af,af
ld a,(hl)
ld (bc),a
ex af,af
ld (hl),a
ld a,(bc)
ex af,af
ld a,(hl)
ld (bc),a
Games that are impossible to complete due to bugs!I'm trying to compile a list of Speccy games that cannot be completed because of a bug (or simply bad programming)! Here's a few... [B]Frankie Goes …
The games which are not only impossible to finish, but also totally unplayable due to a worst bug ever are: the games with [I]R Tape loading error[/I] bug.
Truly.Games that are impossible to complete due to bugs!I'm trying to compile a list of Speccy games that cannot be completed because of a bug (or simply bad programming)! Here's a few... [B]Frankie Goes …
... also totally unplayable due to a worst bug ever are: the games ... with [I]R Tape loading error[/I] bug.
Truly.
XLR-8 mastering utilities - help wanted!!Hello. Ironic I know given I wrote them! I can't for the life of me get the XLR-8 mastering utilities to work under emulation. It goes through the m…
... think this is due to a polarity bug in my original mastering ... utilities. Woody posted up a similar ... just changed the second "LD C," opcode into a "LD H,". So the ...
:)
The first "LD C," opcode shouldn't matter ...Egghead 4 available to downloadFollowing his adventure in space, Egghead is today Entertaining a guest. Yes, Shelley is coming to tea and it's up to Egghead to get the food on the…
... this thread helped me out a little.
I ... There also seem to be a few food objects that weren ... what appear to be a couple of white objects ... map (I guess this is a minor bug?).
Does Fogarty ... br /> Much respect to Graham R. for the loading screen too!Games you wish you'd finished but never did.Has anyone got a speccy game they really wish they'd finished, but never did/could, or just never got round to it. Here's a few of mine: Airborne R…
... .org/pub/sinclair/games-maps/r/Rambo_2.png]this map[/url ... and attack you. Due to a major bug, the game crashes if ...Key press to ASCII valueI need a bit of code that will give me an ASCII value when the key is pressed. I only really need a-z. I tried using the following code but it only s…
... hl,de
ld a,$fe ; check on CAPS key ... br />
NoSym: ld a,(hl) ; a = key code from translation ... ,84 ; q w e r t
defb 17 ... 52 ; Q W E R T
defb 17 ...Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…
... BASIC than to learn a new programming language. Alright ... want to write something like a formulae converter (scientific, ... surely believe that emulation is a waste of potential [and ... limit with F.E.A.R. or Half-Life 2 ... can't trace that annoying bug. By then, you' ...Xenon TriOxide (Xeo3)I just wanted you all to know that a new cross platform game has started development (well the +4 version has been around a while, but my colleague f…
... : inc hl ; 64022
ld a, (hl) ; 64023
... br />
R-type has more advanced ... inc h ; 35184
ld l, c ; 35185
R-type works but ...Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... :
[code]
let r = USR 32768: REM move 3 ... ,100,20
let r = USR 32768, "move 3,100 ... ,20"
let r = USR 32768, "move", a, 100, 20
ld a,10
ld (flag),a
ld hl,text
loop:
ld a,(hl ...Multiface ResidentI'm thinking about adapting some existing code to be Multiface "resident"... but being perfectly honest I'm not quite sure where to start. Any top t…
... enable the Multiface then press 'R'eturn. Now Randomize usr 4e4 ...
ld hl,8195
ld (hl),82; 'R'
inc hl ...
ld (hl),85 ... ),62
inc hl ; ld a,6
ld (hl),6
The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... /> Unfortunately I think there is a bug in the W5100, because bus ... /> ld a, source_msb
out (W5100_MSB), a
ld a, source_lsb
out (W5100_LSB), a
ld ... , I'm convinced it's a bug in the W5100 - it looks ...Minigame Compo 2007Hi there, also this year, there'll be a minigame competition, open to all 8-bit computers and consoles. It consists on writing games whose size (…
... is found.
LD A,(NSPPC) Collect the statement ... end of program'.
LD A,B
JR Z ... ) If a line number was
LD A,H specified ...Emulator accuracy test?When I first created my emulator it worked fine. But then I found one or two games that had odd quirks. Eventually I found the flag or command that w…
... changing.
So, while a truly thorough test would checksum ... the undocumented BIT n,(IX)|r is doing what is expected ... thing is capable of doing a LD A, B.
Whilst not ... someone would try to implement a given instruction they are unlikely ...myspeccy.org - online gaming which auto-saves scoresIt's a blimmin' miracle - I'm most impressed.
... start fix
LD ($AB57), A
LD A, $21
LD ($7D95), A
JP ... />
L_5CC2: LD (L_5CD3), BC ; 1500m + 110m hurdles score bug fix
CALL $82DA
LD BC, (L_5CD3 ...oh my the old days :)programming on the speccy again here is a routine i remember of the top of my head to load screens or code without a header wow 5 Clear 27999 : Re…
... load, but just for a split second, and then ... and am playing a tape with a saved SCREEN$ on ... a bug:
[CODE]
ld ix,16384
ld de,6912
ld a ... ,55
call 1366
ret[/CODE]
The 'a ... either 0 to signify a header, or 255 to ...Games that are impossible to complete due to bugs!I'm trying to compile a list of Speccy games that cannot be completed because of a bug (or simply bad programming)! Here's a few... [B]Frankie Goes …
... remember that Cliff Hanger had a bug in it that stopped you ... ]
It's not a bug, it's by design to ... level 1.
[code]$675f ld a, ($720d)
$6762 cp $04 ... $8353 onwards.
$6766 ld a, ($831d)
$6769 cp $00 ...Games that are impossible to complete due to bugs!I'm trying to compile a list of Speccy games that cannot be completed because of a bug (or simply bad programming)! Here's a few... [B]Frankie Goes …
... Anonymous;287990]It's not a bug, it's by design to ... level 1.
[code]$675f ld a, ($720d)
$6762 cp $ ... br /> ;you collect a stone) or a graphic $29 or $2A ... 8353 onwards.
$6766 ld a, ($831d)
$6769 cp $00 ...VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... />
I think I noticed a bug in your code.
ld a,b ; A
cpl ; ~A
and [B]B ... [/B] ; X&~A
[/code]
This ... the above.
[code]
ld a,(hl) ; x
xor b ...
