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Running my ZX Spectrum in JapanI finally got my Spectrum running nicely here in Japan, so I wrote up a blog on it. It was originally in Japanese, as I had aimed it at Japanese enth…
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[url]http://pcbiroiro.blogspot.jp/2012/01/running-zx-spectrum ... -
Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …
... we reached ROM - $3F ?
JP NZ,L11DA ; Back to RAM ... (HL) ; decrement to zero.
JP Z,L11E2 ; back to RAM ... -
Matching calls and returnsHi all, A pretty fundamental question here that I probably should have sorted by now. I've noticed how much the stack has built out in my current g…
... have been lost I just jp back to the very beginning ... -
Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... ld (endcall), hl
jp blit ; call blit
ENDM ... pop af
jp 56 ; exit via BASIC interrupt ... push af
defb 0xc3 ; jp endcall
endcall:
... 0xfff4
vector:
jp im_main ; jump to main interrupt ... -
Just found my Psion Revo[img]http://www.enfour.co.jp/psion/revo/image/main_image.jpg[/img] What a lovely piece of kit this is. Such a sleek design. But since I packed it a…
[img]http://www.enfour.co.jp/psion/revo/image/main_image.jpg[/ ... -
ANN: Tipshop updated Thursday, 31 May 2012Thursday 31 May 2012 Some very interesting POKEs this month * Hippy Smith sent in HUGE(!) POKEs for Echelon, Hive, Infiltrator, Sentinel, The and V…
... them all correctly!
* JP sent in cheats for Battery ... -
Another deadly accurate best games listSince it's getting on for five minutes now since a "Best ever games" list divided us up, heres [URL="http://www.g4tv.com/top-100/"]G4's Top 100 video…
...
37. Halo
36. Batman: Arkham City
35. Castlevania ... -
Isometric games - How to ?I understand how to render isometric scene by most naive way - starting distant tiles and continuing by drawing tiles closer to camera. But that is s…
... games like Head over Heels, Batman or Knigtlore really works ? Can ... -
Do you let your kids play violent video games?And how do you decide what's too violent? I generally let my 11 year old son play and watch anything under a 15 certificate. There are a few exceptio…
And how do you decide what's too violent?
I generally let my 11 year old son play and watch anything under a 15 certificate. There are a few exceptions like the last Batman film which should never have been a 12 IMHO. -
bargin games and software 3 for ?2 spectrum 48k /128khere is a list of some of the games and software i have there ?1 each or il do 3 for ?2 plus 50p postage per tape will take ?15 for the lot too Aqu…
The most dangerous filmthe new batman film [url]http://www.bbc.co.uk/news/world-us-canada-18922685[/url] 12 people dead so far
the new batman film
[url]http://www.bbc.co.uk/news/world-us-canada-18922685[/url]
12 people dead so farYour favourite Spectrum [whatever] beginning with the letter 'A'[url]http://www.worldofspectrum.org/games/a.html[/url] [url]http://www.worldofspectrum.org/textadv/a.html[/url] Personally, I'm going to say: B…
... the game is really called Batman: Arkham City, even though most ...Trace in debuggersExist any ZX emulator using debugger with possibility trace back ? I need see previous instructions and it can be hard if it's JP xxxx
Exist any ZX emulator using debugger with possibility trace back ?
I need see previous instructions and it can be hard if it's JP xxxxThe Top 25 Modern PC GamesIn the thread [url]http://www.worldofspectrum.org/forums/showthread.php?t=40451[/url] , Ivanzx asks do you prefer modern or 'classic' era Spectrum g…
... re-play both prequels first), Batman: Arkham Asylum, and Arkham City ... . Far Cry 2
24. Batman: Arkham Asylum
23. Amnesia ...Isometric 3d games, are there any?Are there any isometric 3d adventure games, on any platform that's like Fairlight and Inside Outing/Raffles? With objects that can be pushed around, …
... Head over Heels, Knighlore and Batman are great they are more ...ANN: Tipshop updated Sunday, 09 September 2012Sunday 09 September 2012 Lots of stuff going on In Real Life, so the update is a tad late! * JP provided a correction to the type-in hacks for Agen…
... a tad late!
* JP provided a correction to the ... Byte
* StuBruise (via JP) provided a correction to the ...recovering the stack after an errorMy normal error handler starts with the stack as reset by LD SP,(ERR_SP) in $0053 ERROR_2, sets up some stuff and returns to BASIC via a "JP C,$1e73 …
... returns to BASIC via a "JP C,$1e73 ;GO_TO_2", which works ...A new loading screen for "Where Time Stood Still"Original thread by user "toniman" at ZonaDePruebas forum: [url]http://www.zonadepruebas.com/viewtopic.php?f=4&t=2036#p6313[/url] The author of this …
... members of the demoscene group "Batman Group". They are known for ... their Batman-related Amiga demos, and lately ... , their astounding "Batman Forever" demo for Amstrad CPC ...syntax checking helpcan anyone help with syntax checking, its been a while since I did any basic extension coding this routine always gives :C nonsense in basic error …
ANN: Tipshop updated Wednesday, 31 October 2012Wednesday 31 October 2012 Happy Halloween! * Archie Robins provided corrected POKEs for Liberator, Swat! as well as new POKEs for Devil's Castle, Di…
... 'Run Italian magazine.
* JP sent in corrections for the ...IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... ;compare to far right
jp z,shprst ;yes then reset ...Graph Plothi! please, help with code: [PHP]For x=-100 To 100 For y=-100 To 100 If (x/2-25)*(x/2-25)+(y-50)*(y-50)<200 Or (x/2+25)*(x/2+25)+(y-50)*(y-50)<200 th…
hi! please, help with code:
[PHP]For x=-100 To 100
For y=-100 To 100
If (x/2-25)*(x/2-25)+(y-50)*(y-50)Optimisations in Exomizer Z80 decrunch codeThis is the 163 bytes old code (simple and optimized): [CODE] ld iy, exo_mapbasebits ld a, 128 ld b, 52 push de exo…
... /> defb 210 ;3 bytes nop (JP NC)
exo_setbit:
add ... /> defb 210 ;3 bytes nop (JP NC)
exo_setbit:
add ...Jon RitmanJon Ritman kindly agreed to provide some information about his work on ZX-Spectrum. [QUOTE="Jon Ritman"] International Match Day: Someone at Ocean di…
Omitting LETAn untested thought. Changing: [code]1B34 SUB $CE ; Reduce command code by $CE to ; give 00 to 31 for comman…
... 31 for commands
1B36 JP C,L1C8A ; Jump to REPORT ...