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How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…
I'm having trouble with my BASIC ... becoming corrupted on returning from a m/c routine which sets all the ... or memory locations when calling a m/c routine from BASIC, and reload ... -
handy method for passing m/c parametersI knew that a single number or string parameter could be passed to a m/c routine with either: [b]LET a=b+USR address[/b] puts b on the calculator st…
... parameter could be passed to a m/c routine with either:
... for passing two m/c parameters in a utility by Simon ... before:
[b]LET a=b=c+USR address[/b]
... :
[b]LET a=b=c=d+USR address[/b]
[b]LET a=b=(c=(d+USR address))[/b]
Graphic equalizer m.c. program neededBack in the 90's I had a full-screen attribute equalizer that was simple, yet very impressive. We used to listen to Vangelis or Jean M Jarre by conne…
... that someone who understands m.c. will understand the idea ... br />
"Start with a list of counters all set ... to Basic by pressing a certain key or ... doing this until it reaches a limit (usually 255)
Divide the counter by a number between 0 and the ...Unprotecting games without knowning m.c.DivIDE or MB02 users don't need unprotected games, but those who still use the Microdrive, Wafadrive, Timex FDD, +3, Plus D, Disciple or use the new …
... particular infy lives POKE on a real machine without the ... />
For someone who knows m.c. it will probably be obvious ... Fred.tzx[/url]
A couple more questions:
-Once a game loader leaves BASIC permanently ...Is it possible to access the +3 disk drive via m/c in USR0 mode?Is it possible to access the disk drive of the +3 via m/c +3DOS calls when running in USR0 mode? I ask because I'm having an awful lot of trouble ge…
... drive of the +3 via m/c +3DOS calls when running in ... 7
ld ($5b5c),a
out (c),a
ld sp,$9c40 ... 7
ld ($5b5c),a
out (c),a
ei ; interrupts should ... $f8
ld ($5b5c),a
out (c),a
ld sp,($9000 ...simplest method to pass a string to m/code?The statement "RANDOMIZE numvar+USR mc" is a simple way of passing a single numeric parameter to a m/c routine, as mc can retrieve numvar from the to…
... way of passing a single numeric parameter to a m/c routine, as mc ... of doing the same for a string variable but haven' ... the machine stack and then a call to SCANNING to get ... USR mc: LET bc=FN m(s$): whereby mc can ... prefatory code to set up a location for the name ...Quiz 1 - A-M Name the GamesEach screen shot is displayed for 0.2 seconds. There are 13 screens, A-M. If this goes well I'll do the other half of the alphabet. I've tried to pic…
... seconds. There are 13 screens, A-M. If this goes well I ... by title; and are a mix between old and new ... images or do a Google search... But I'm sure no ... so far:
A
B Biff
C Continental Circus
F Fat Worm Blows A Sparky (fnar!)
G< ...Where's my green square? Basic & m/c question.I'm going mad here - can anyone tell me why my little basic program isn't displaying a green square at the top of the screen? I've checked the num…
I'm going mad here - can anyone ... basic program isn't displaying a green square at the top ... the basic is overwriting the M/C. I've also gone through ...R.A.M.Now available, portuguese edition of R.A.M.. Enjoy... [img]https://2.bp.blogspot.com/-PpWoVdAebyE/W2tCyylKlHI/AAAAAAAAOOA/C-t4iZXLvB46D76wrjFjODCj…
... available, portuguese edition of R.A.M.. Enjoy...
[img]https ... .blogspot.com/-PpWoVdAebyE/W2tCyylKlHI/AAAAAAAAOOA/C-t4iZXLvB46D76wrjFjODCj7_X64Vt1ACEwYBhgL/s320/36826293_10210607437055987_8996068219928182784_n.png[/img ...How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
... ) For starters, you'd need a C compiler. We will use z88dk ... myself either (checked, I'm using a version of earlier this year ... game in tut2.c.
[b]A) Drawing a scrolling screen[/b ... in separate assembly files. I'm too lazy for now.
New WIP from Kabuto Factory: A.R.C.O.S.Hi everybody! After a long time in silence (...you know, life and its commitments...), we're coming back with new WIP for Speccy: A.R.C.O.S., a new …
Hi everybody!
After a long time in silence (...you ... new WIP for Speccy: A.R.C.O.S., a new "brick'em ... [/url]
Here goes a screenshot ;)
[IMG]http ...A.T.R.A.M. (AKA)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000319&loadpics=3"]A.T.R.A.M.[/URL] Could get the AKA "A.T.R.A.M. Commander v Admiral" as pe…
... =0000319&loadpics=3"]A.T.R.A.M.[/URL]
A.T.R.A.M. Commander v Admiral" as ... screen=screens/load/a/gif/A.T.R.A.M.gif[/img]
a series of unique COMPUTER ... /sinclair/games-inlays/a/A.T.R.A.M.jpg"]this poster[/ ...New game from Kabuto Factory: "A.R.C.O.S."Hi everybody! After almost one year in production (...well... not so much... :roll:), we've got new release: A.R.C.O.S., a brick'em all with some sh…
... got new release: A.R.C.O.S., a brick'em all with ... possible. You control A.R.C.O.S., a spaceship which bounces an ... lives. In addition, A.R.C.O.S. has a laser blast with ... extra ammo when you clear a stage, depending on the ... our fellow RALF (thanks a lot, dude!)A.T.R.A.M. version 2?[url="http://www.worldofspectrum.org/infoseekid.cgi?id=0000319"]A.T.R.A.M.[/url] users were offered an updated version "From January 1985" with impro…
... /infoseekid.cgi?id=0000319"]A.T.R.A.M.[/url] users were offered ...Bundle and some (possibly) rare S.A.E.C. titles...Got a big bundle of stuff to sell off - 45-50 games, two joysticks, +2 manual and PSU... looking for around ?20 plus postage (or offers...) [URL=htt…
Got a big bundle of stuff to ... -adventure based titles from S.A.E.C.
Looking for about ...Datel A.M.X. Action Replay?One more mystery. I got hold of an interface, which I thought was kind of a Multiface. There is a red button on the left hand side and a Load/Save sw…
... thought was kind of a Multiface. There is a red button on ... the left hand side and a Load/Save switch on the ... about a Datel A.M.X. Action Replay (there seems to be a M.A.X ...42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... " and, as a side issue, I'm really interested in ... short BASIC and/or m/c routines which can be ... come across 'Print Utilities,' a release from the Sinclair ... L5/S) which offers a number of different text sizes ... of this for a while (there is also a m/c block, about ...Games with Parallax ScrollingI loved that effect. It gave a false depth to the game.. To me a game with parallax scrolling was a better game. How wrong I was.. anyway, a list of…
... effect. It gave a false depth to the ... game.. To me a game with parallax scrolling ... was a better game. How ... br />
anyway, a list of some games with ... Vertical and superfast parallax
-A.M.C. Very colorful.
-Energy ...128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
Hold on - if one uses a M/C routine to load data into ...are all the spanish games bad ?can anyone explain why a lot the spanish (mainly dinamic) games seem to play the same way , same huge graphics , same boring scrolling shoot em up , …
... :
can anyone explain why a lot the spanish (mainly dinamic ... : West Bank.
I'm making an huge database with ... , I completely 'examine' letters A, B, C and #. Which spanish games made ... in split screen)
3. A.M.C. 81% (mainly thanks to nice ...Type-ins for non-standard languagesDoes anyone know if there has ever been any type-in programs for non-standard languages e.g. Forth, Micro Prolog etc. I recently bought copies of tho…
Maybe Arjun should expand from only Basic type-ins. I have an assembly program I made reverse engineering from a M.C. type-in that he hasn't taken.How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks
... />
PRINT USR xxxxx calls a M/C routine that starts at location ...Converting a JPEG or BMP to speccy black and whiteI need to convert a few JPEGs or BMPs to Speccy black and white for my entry to the Speccy games compo. Anybody got any idea how I could go about th…
... can output a .TAP file containing a M/C block which has a loader and ... block to 55000, for example, a RANDOMIZE USR 55000 will display ...Parallax scrollingIt's about time to start new "games with" topic! So, let's make a list of Spectrum games with parallax scrolling. 3 titles to begin: Cobra Hysteria S…
Stardust (specially the second load, look at RZXarchive)
LEDStorm
Rastan
DestinyMission
CommandoTracer (similar to Hysteria)
A.M.C. (AstroMarineCorps)
Energy WarriorGetting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... 176748]Is there not a ROM routine that already ... - very clever! Seriously, I'm impressed with that![/QUOTE]
There isn't a ROM routine that does exactly ... any harder to write a m/c function that actually copies ... directly unto a UDG of your choice (A to U ...deCyphernoid: Cybernoid editor release threadFollowing on from the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=14711"]development thread[/URL], the Cybernoid editor I have been …
... feasible would be creating a map editor for games ...
you've done a cracking job. A quick looky and it ... you or maybe even doing a m/c version of it.
... same impetus to have a bash at somert speccy ... my disposal with perhaps a wipe/restore screen button ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
... me try to get a M/C version of your C version.
I ... value - treat the screen as a solid 6144 (1800h) sequence.
Games with Parallax ScrollingI loved that effect. It gave a false depth to the game.. To me a game with parallax scrolling was a better game. How wrong I was.. anyway, a list of…
... that effect. It gave a false depth to the ... game.. To me a game with parallax scrolling ... was a better game. How ... br />
anyway, a list of some games with ... Vertical and superfast parallax
-A.M.C. Very colorful.
-Energy ...Channels and streamsSo I've put some thought into channels and streams, and read the dead (and presumably rotting corpse) of the CSS FAQ which contains some information …
... />
1) Implement a full API in m/c, whether in paged ROM ... makes it fully operable from a m/c application.
2) Write ... mount" the facility to bind a channel to your CPLD (rather ... you be providing support as a "listener" (listen, accept etc..) ...Channels and streamsSo I've put some thought into channels and streams, and read the dead (and presumably rotting corpse) of the CSS FAQ which contains some information …
... /> 1) Implement a full API in m/c, whether in paged ... makes it fully operable from a m/c application.
[/quote ... C library is the BSD socket library, and since it's a ... [quote]
2) Write a "loader" which will "install/ ... done for C and asm! (I've a mind ...
