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Comparing the old and new site design - my feedbackHello folks, As a regular visitor to the WOS site, I would like to offer a little feedback on the new-look design. I hope you won't take offence t…
... now HUGE, cramped into tiny table cells, forcing them to run ... , I find that annoying. The jump to the top should be ... -
PAW questionThis may not be the right place but anyways there it goes: I've been trying to figure out how to import graphic files in .SCR format in the PAW parse…
... JP command as this will JumP to the location where the ... that determine the adress to jump to. In decimal the address ... in the 4k the adventure table occupied. And you'll need ... -
Number 6 in the Village (text adventure) Please help!!!Does anyone have a solution to this text adventure. I've tried to escape by air and sea using the jammer but it hasn't worked. I've been playing it …
... /> Message 108
^{7}You jump.. the parachute breaks your fall ...
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RESPONSE TABLE
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S _ AT ... -
Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... -the-fly, have a shift-table instead of doing various bit ... .
Anyway, using a table, each byte can be rotated ... ', etc and calculated jumps to jump into an 8-bit rotation ... -
Head Over Heels remake RELEASED !Hey all ! The Retrospec remake of Head Over Heels has JUST been released. The URL with everything important, including a 15Mb download is : [url="h…
... render the online high score table useless).
btw. I ... Invincible, mega leaps, full items, jump to any room here we ... -
Platform vs BackgroundForgive my ignorance if this is a 'stoopid' question, but although I've written games for many platforms over the years I'm only now making my first …
... on screen, you perform a table lookup in the "virtual pallette ... last player movement (left/right/jump) to determine which new zone ... -
Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
... the return address and jump to the beginning of ... , look up in a table. The note will range ... 2*296=592 byte period table, assuming 2 bytes per ... d construct a 592-byte table using this formula, and ... note + finetune possibility. This table is available in one of ... -
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... to set up a table of 257 identical bytes ... 0xf3) would cause a jump to 0xfff4 where you could ... tstates: read high byte and jump to interrupt routine.
... tstates: write low byte and jump to 'n'.
[/ ... low byte of PC and jump to 'nnnn'.
[/quote ... -
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 …
... of using a preshifted byte table. But I think it ... you have used a 4KB table.
I would ... you do away with the table, and simply store each ... You could use a multiplication table to do the time 96 ... routine for each line and jump to it according to the ... -
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 …
... /> ORG C000H,C000H ;placing table at the beginning of
LD H,C0H ;table with preshifted mask bytes for ... ;there is a table with all bytes preshifted ... /> JR Z,RETURN ;jump to return procedure if all ... down a line and jump back to beginning to< ... -
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 …
... /> LD A,(SPRXLEN) ;Find jump address for width of sprite ...
DRAWMID JP (IY) ;Jump according to width of sprite ... br /> DRAWMID2 JP 0 ;precalculated jump, this address is
W32B ... br /> * Routine to generate a table of shifted bytes.
* each ... -
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] ; ***********…
... and enable
ei ;interrupts. Jump to 0056 in ROM
JR NZ,left ; so jump if xmove is negative
table with
ld bc,0FDh ... -
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] ; ***********…
... enable
ei ;interrupts. Jump to 0056 in ROM
JR NZ,left ; so jump if xmove is negative
table horizontally
LD C,(IX ... hl,0FE00h ;Building up a table with
ld bc, ... -
Anyone know the address mappings...of the hardware resources on the speccy; From the screen display address range to all the hardware control registers. etc. Where can I get access t…
... by using a Sprite data table beginning at 64000.
10 ...
JR NC,RESULTPOS ;jump if result positive
JR NC,INCPOINTER ;if so jump as no collision
Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…
... by using a Sprite data table beginning at 64000.
10 ...
JR NC,RESULTPOS ;jump if result positive
JR NC,INCPOINTER ;if so jump as no collision
I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... opcode as per GOC's table or any other basic z80 ... . If the opcode was a jump or call, you need to ...the happiest days of your life-pt2hello,again i have come up with 2 solutions to the problem of solving this game:- 1.the more people that try to solve this game (by combining diffe…
...
#DB75 JR NC, #DB90 ; Jump if A>#5E
#DB94 JR NZ, #DBA8 ; Will jump here
#DBA8 CP ... item and using the above table you can Poke 52051,X ... 't realize you had to jump up at it to get ...Basic info about platformers...I have run a search for an answer to this question and haven't found quite what I was looking for so I thought I would pop a post on here... What ar…
... while getting a character to jump and move around isn't ... in the screen if a table is used.
And ...Idea for site - High Score ChallengeHi all An idea for the site.. CPC Zone (cpczone.emuunlim.com) has run a sucessful High Score Challenge for the past 12 weeks.. The organiser choo…
... score and had a massive jump from previous score ???? Like i ... not of the high score table itself.
Quote"If ... the score in the highscore table like the rest of the ... score in the high score table...."
and now executioner ...The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…
... />
But what if I jump away on NZ and handle ... but thanks to the DJNZ-jump I can swap parts of ... ,254
nline ld hl,table+4
print dec hl ...
defb "K",27
table defb 27,"J",27,13 ... nbyte
nline ld hl,table+4 ; call to NLINE makes ...InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... you could have a table of vectors of interrupt ... to fill the entire table with the same address.< ... end up looking in your table between two other addresses. ... table like AB CD AB CD etc... you might jump ... byte. Thus meaning you table needs to range from A000 ...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…
... normally enter room 48 (see table above) which of course is ... ,38212 ;If we are then jump.
38203 cp 26 ;Are ... ,38218 ;If we are then jump
38207 cp 25 ;
Speed of blinking L on a Speccy???Friend of mine and I have had a "discussion" (close to a game of fisticuffs) about how fast it takes to invert the attribute for the blinking L (or t…
... ].FrameCnt, 16
jc @F ; jump if not a Flashing frame ... ; offset into DirectDraw colour mapping table
mov ecx, [eax ...New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
This is what I've compiled so far:
[quote]Resources
=========
* Make all caps
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You can turn CAPS LOCK on or off using a simple poke to 23658:
POKE 23658,8: REM CAPS ON
...Emulators don't *FEEL* like the Speccy!I just recently played Ghostbusters II on my ZX Speccy emu and i miss the difference in graphics quality from playing on a lil old 15 inch CRT telly …
... teletext TV that would always jump off the signal and I ... a poorly placed IM 2 table.
I wouldn't ...Games that crash because of contended memory.I find these are really annoying. You load up a game like Astro Marine Corps, Fantasy World Dizzy, Dizzy: Prince Of The Yolkfolk and so on (the init…
... /> Main Code: (Move I table).
POKE 40732,191
table).
POKE 40738,191
Cisco Heat (Move I table):
POKE 31502,135
table, poke a couple of ... , poke 0x986C with a jump command, change the I ...Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
... /256=186. The interrupt vector table will be located at address ... is 'X', the interrupt will jump to address X*256+X ...Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
... />
If the 257 byte table doesn't contain identical bytes ... not having a 257 byte table would cause many Spectrums to ... has buggered up the table so that a jump is made to ... /> I'd compare the IM2 table when the game was working ...Assistance with IM2 routineI subsequently got a working IM2 routine.
Set I to $fd; the table at $fd00 should be filled with $fe bytes (257 of them) so it will look up an address anywhere in that table and jump to $fefe.
