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Indiana Jones and the Temple of DoomI suggest the following "known errors" description for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002475"]Indiana Jones and the Tem…
... main game loop
$676d jp $6ff8 ;jump to mine carts ... -
Frank N SteinThis is an improved bugfix for [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0001849"]Frank N Stein[/URL] as discussed recently in [URL="htt…
... $75AB ; 30123
JP PATCH1 ; 195 114 196
JP PATCH1 ; 195 114 196
JP PATCH2 ; 195 121 196
Pixel Color IncorrectHello i am new to the ZX Spectrum and z80 assembly language. I am coding my first game and am having a small problem. I am trying to make the botom r…
CrusoePlease add the following "known errors" description for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002872"]Crusoe[/URL]: [QUOTE]Bu…
... 6BEC ; jump correction
JP $6A2D ; 6BEC C3 2D ... 8F86 ; jump correction
JP $87CC ; 8F86 C3 CC ... RET address before JP back
JP PATCH ; 84F2 ...Bride of Frankenstein TAP has been hackedThe Bride of Frankenstein TAP on WoS doesn't have any spooks in it, so you're just wandering around an empty maze. This is because there's a RET at $…
... ; 8A9E 35 NOP
JP P, $8ABA ; 8A9F F2 ... BA 8A JP $8ABA
--------
... 67 : $B2
--------
JP Z, $FF01 ; 9661 CA 01 ... FF change: JP PE, $FF01
...Cobra (improved BUGFIX)This is an improved BUGFIX for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000996"]Cobra[/URL], please replace the "known errors" de…
... ]
org $956a ; 38250
jp $aef0 ; 195 240 174
ret z ; 200
jp $956d ; 195 109 149
Nemesis the Warlock (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003387"]Nemesis the Warlock[/URL], please add the following "known …
... /> 7802: or a
7803: jp z,$7825
7806: ld ... : ld ($caf4),hl
780c: jp $7825
[/CODE]
The ... ; POKE 30722,61
7803: jp nz,$7825 ; POKE 30723,194 ... : ld ($caf4),hl
780c: jp $7825
[/CODE]
[/LIST ...Track and Field (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0005360"]Track and Field[/URL], please add the following "known erro…
... /> Modified "BUGFIX" file provided by jp (built as a patch to ...ANN: Tipshop updated Saturday, 30 July 2011Saturday 30 July 2011 I've been on holiday and other assorted Real-Life antics, so enjoy this ever-so-slightly tardy June (erm, July, Shirley?! Ed) u…
... sent an updated version of JP's patch for Mikie. He ... for Beatle Quest.
* JP sent in POKEs for Alien ...automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
... absolute addresses used by CALL, JP, etc. when code is moved ...Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…
... ;PRINT HEX NUMBER
JP SCAN_KEY_1 ;REPEAT
JP SCAN_KEY_6 ;REPEAT
JP GOTO_START ;GOTO ... ;D7 -
;#######################################################
JP SAVE_MENU ;JUMP TO SAVE MENU ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
Lord Of The Rings; Files skipped ?Hi folks, Does anyone know what blocks 8~13 are for in the Lord of The Rings: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006601[/url] I…
... 61449 LDIR
61451 JP 23310
61454 LD ... CALL 61578
61467 JP NC,00000
61470 ... CALL 61572
61480 JP NC,00000
61483 ... CALL 61578
61553 JP NC,00000
61556 ... br /> 61566 JP NC,00000
61569 JP 50432
...AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…
...
cpdr ;check code
jp nz,ERRORA ;return on error ...probably a stupid question about RST16I'm using the 'hello world' code borrowed from [url=http://equant-retrochallenge.blogspot.com/2008/07/zx-spectrum-assembly-programming-under.html]her…
ANN: Tipshop updated Monday, 31 October 2011Monday 31 October 2011 Happy Halloween, SpookChums (groan! Ed) * Fixed a corrupted ZIP file for the downloadable hack for Technician Ted: The Megam…
... the heads-up.
* JP supplied corrections to the Arkanoid ...tiny routine to shift RAMTOP & stackCompressing some data areas above RAMTOP and wanting to make the released space available for BASIC arrays, I needed to move RAMTOP without using CLE…
... /> LD SP, HL ; 249
JP 7900 ;1EDC,CLEAR_3 ; 195 220 ...The short blocks loaded in Jet Pac(Hope this have not been previously discussed. If so, my apologies) Is there any reason why Jet Pac loads three short blocks after the main block? I…
... but the opcode of the JP (HL) instruction, which is called ...ANN: Tipshop updated Wednesday, 30 November 2011Wednesday 30 November 2011 Happy 16th Birthday, World of Spectrum!! * Hippy Smith sent in a huge pile of POKEs (deep breath): Confuzion, Cruising …
... tips for Dingo.
* JP supplied typo/OCR corrections and ...BREAK from GOSUBHere's another one. Just in case you wanted to break out of multiple GOSUB levels with a single command, here's a routine to do it, tested on all mod…
... ;+2A/+3/+3e fix
JP Z, $1F36 ;REPORT_7 ; 202 54 ... 31
JP $1E73 ;GO_TO_2 ; 195 115 30 ... ensuing code at the relevant JP address.Invalid combination of operands and opcodesIt says the error in the title, why is this?? [CODE] ORG 0000 LD HL, 63000 ;LOAD HL WITH STACK LOCATION LD SP, HL ;SET STACK POINTER TO HL LD A, …
... 1) ;RETRIVE KEYBOARD
JP Z, KEYBOARD_SCAN_MENU ;IF NOTHING PRESSED ... ENTER KEYBOARD PRESSED
JP NZ, EXIT_MENU_FUNCTION
... PRINT NEW
JP MENU_KEYSCAN ;MENU LOOP
... B ;CHARACTER RETRIVED
JP NZ, PRINT_LOOP ;KEEP LOOPING ...ANN: Tipshop updated Saturday, 31 December 2011Saturday 31 December 2011 The last update of the year - Happy New Year when it comes! * GoodBoy sent in a cheat for Wacky Races. * Hippy Smith sen…
... Holiday In Sumaria.
* JP kindly supplied the type-in ...Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…
... uppercase 'S'?
a4ac ca2e9f jp z,9f2eh ; if so, ... 's'?
a4b1 ca2e9f jp z,9f2eh ; if so, ... 'S'?
a4ac ca2e9f jp z,9f2eh ; if so, ... 's'?
a4b1 ca2e9f jp z,9f2eh ; if so, ...editing strings with INPUT LINEHere's the latest in my unpredictable series of utility routines. This one I needed for the SAGE game editor; it emulates INPUT LINE l$ but with the …
...
call $28b2 ;LOOK_VARS
jp c,$1c2e ;"2 - Variable not ...Cause of the financial breakdown?I've written down (dictated) from a video, what Lord James of Blackheath said on the 16th February 2012 in the House of Lords. Though you can probab…
... there it was passed to JP MorganChase in New York for ...
