-
How to return to basic properly from ASMI am messing around with a fast stack copying routine. But I am getting "A: Invalid argument" error when I later return to basic. I know you h…
... argument" error when I later return to basic.
I know you ... the IY register before returning to basic but my code at the ... well as IY when returning to basic. I think one of the ... -
Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... code that requires a return to BASIC for a loooong ... registers need to be preserved / restored on return to BASIC after calling ... machine code? I recall that IX needs to ... I register?
[*]Stack (to previous value).
[*]IM ... -
Return to basic from sna created by Z80 compilerHow can I go back to basic when running sna created using Z80 Assembler ([url] http://www.worldofspectrum.org/utilities.html#crossass [/url])? For e…
How can I go back to basic when running sna created using ... pressing "space" I am back to basic prompt.
I tried ... to put "ret" at the beginning to prevent the code ... -
Jumping to BASIC after importing 23296,1703Sorry for the confusing title. :-D Now that I've learned how to stop a game from starting after loading (in Fuse and Specemu), I have a few more que…
... won't be able to return to the game. No problem ... would allow me to safely "jump" to my BASIC program. :)
to BASIC after an USR command ... 1703 bytes just to make BASIC work again? Doesn ... the subject of jumping to BASIC, I find it curious ... -
Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... In both instances the required return to BASIC with a decimal fraction ... HL ;discard $2d2b ;STACK_BC return address
RET
... Using the above method to return from a USR call ... particular function) will return that value to the BASIC program.
... -
Sir Clive hints at a return to computersFrom [url]www.designweek.co.uk[/url] "Sinclair hints at a return to computers Published: Jul 2006 Sir Clive Sinclair is designing more transport-led…
...
"Sinclair hints at a return to computers
Published: Jul 2006 ... transport-led products and hopes to create another computer.
... legs.
Sinclair refuses to speculate on its likely ... br /> In a fillip to British manufacturing, Sinclair also ... -
Wanted! Return to Eden / Worm in ParadiseHiya all Anyone got a copy of Level 9's 'Worm in paradise' and 'Return to Eden' they would care to sell me? Need to be in complete near mint conditi…
Hiya all
Anyone got a copy of Level 9's 'Worm in paradise' and 'Return to Eden' they would care to sell me? Need to be in complete near mint condition
Would be really greatful!
Thanks
ZX Beccy -
A return to point-and-click adventures...Okay, they've nicked my username, but I sincerely hope this is the start of a welcome return to the traditional point-and-click adventures. Made by …
... the start of a welcome return to the traditional point-and-click ... one of the very few to get it right.
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... idea of getting access to BASIC listings inside a program ... game. I was able to work a way around ... are some games with a BASIC listing inside the code, ... to know is if anyone remembers any game that has BASIC ... with messages that are waiting to be found (and yes, ...Machine code and Basic system variablesSpectrum system variables (I mean 48KB model) are essential for Basic. But what if I started my machine code program and it's never going to return t…
... 48KB model) are essential for Basic. But what if I started ... and it's never going to return to Basic? Can I overwrite system variables ... . I guess it had something to do with code executed during ... if I don't want to dissable interrupts, can I still ...Return to Ithaca bugfix version?The [I]Return to Ithaca[/I] entry lists a "bugfix" version, yet no further details are given whether this is a subsequent release from Atlantis itsel…
The [I]Return to Ithaca[/I] entry lists a " ... bug this release is supposed to fix.Back to BASIC[U][B]Archaeology guide to programs compiled used MCODERII.d[/B][/U] After various people have been talking about "Frank'n'stein" I decided to finis…
... makes converting the code back to BASIC much easier.
... will notice there is some BASIC source code between addresses ... compiled code (not the original BASIC address). There are 2 ... [LIST]
[*]base+0 = pointer to string
[*]base+2 = length ...saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …
... a short routine to save part of a BASIC program. The idea ... "SAVE lines ";(la);" to ";(lz);" as:"'h$(2 TO 11):
IF ... $="AF111100DD2A4B5C010600DD09CDC204CDA22D3EFFC5D1DD2A765CCDC204CD2B2DC9":
FOR s=1 TO 67 STEP 2:
LET ...Restore HL' to?It is probably a simple question, but it's been escaping me for quite some time now. Is there an 'universal' value you should restore HL' to if your…
... [i]and[/i] is expected to return to BASIC after it has finished execution ... HL' seems to hold whenever stuff gets called from BASIC. However, say ... . Although it would still seem to return to BASIC without errors.
While ...Image to BASIC commandsHi all I'm looking for an app that read an image (jpg, gif, etc...) and convert it to BASIC commands (DRAW, CIRCLE, etc...) The images to convert wi…
... , gif, etc...) and convert it to BASIC commands (DRAW, CIRCLE, etc...) The ... images to convert will be simples as ...Adding command to BASICI am looking for an article about adding commands via software to sinclair basic. I know there was one published and to the best of my knowledge it w…
... about adding commands via software to sinclair basic. I know there was ... one published and to the best ... This particular article explained how to use some of the system ... commands, new self-made commands to BASIC, is there any articles on ...Spectrum Ethernet update...in which a toastrack 128K machine prods a machine outside of my LAN for the first time. [url]http://spectrum.alioth.net/doc/index.php/Current_eve…
... what needs to be set etc. to successfully return to BASIC afterwards :-) I ... same operations as the original RST8 routine; job done.
RST8 routine; job done.
RST8 operations; job done.
IM 2 interrupts and smooth scrolling - easy peasy!Okay, been fiddling around with IM 2 and have actually mastered (I think) how to use IM 2! Now I run my game Ragnar Revival in IM2 and use HALT to sy…
... in IM2 and use HALT to sync screen drawing (dumping of ... much more memory space efficient to place the pointer table at ...
jp 56 ;for smooth return to Basic
;prepares ... br /> ld de,58881 ;pointers to address
ld bc,260 ...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] ; ***********…
... LD IX,sprites ; Point to sprite data
LD B ... br /> jp 56 ;for smooth return to Basic
return so we can print sprite to screen ...
; Move to next column, and wrap horizontally ...MC TipPlace your MC tip here: Here is my first: When using alternate registers (EXX) the HL register must not be affected on return to BASIC. Also the IY…
... must not be affected on return to BASIC. Also the IY must not ... .e. RST 16).
or return to BASIC might crash
Save ...Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... anything else than Basic so it is great fun to try some ... />
I used a basic program to load some "graphic" into memory ... /> [B]endofprogram[/B]
ret ;return to basic
[B]setcarry[/B ...One Liner - Machine CodeHi Dr. BEEP, Digital Prawn, et. al., I think that what you guys have achieved with the one liner contest is absolutely amazing. It brought about wh…
... whole new concepts in ZX BASIC that no one could have ... resultant machine code program (up to 289 bytes of machine code ... "w" (up) keys. You can return to BASIC by pressing "a" (quit).
I plan to evolve this version to include:
1) Slower ...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…
... very impressive. We used to listen to Vangelis or Jean M ... socket and outputting the sound to speakers. This screenshot shows ... />
The program should return to Basic by pressing a certain key ... use an additional counter to perform this operation several ...If you've got a real working MF128,IF1, and MDR combo can I ask a favour?So, if you do have a real Multiface 128, Interface 1, Microdrive and, oh yeah, a Spectrum (48k or 128k) that are all working, can I ask a favour...? …
... on machine stack to be used as error return
hd_11 ... equ $5ced ; jump to shadow rom ...
;
exx ; save return to basic address
push hl
;
exx ; restore return to basic address
pop hl
Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... a,c ;On entering from BASIC, BC holds the
;Return to Basic:
ld bc,colour_map ;This ... the address again
ret ;Return to BASIC
; ... the keyboard still works in BASIC):
jp 56
Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…
... /> So, trying to put together a lump of basic to:
to be used as err return
... exx
push hl ; preserve return to basic
exx
;
... exx
pop hl ; restore return to basic
exx
;
...Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…
... like to add a short routine to stop the playing and return to basic when ... this key routine to get it to return safely to basic (something more than ... my chances of an easy return...
Iv tried ... ... Nothing I seem to do seems to stop it from crashing ...ISO ROM 128 with TR-DOS 5.05(cz)This is new correct version of ISO ROM for ZX + BETADISK. Some extra basic command is designed specially for use in conmination with TR-DOS 5.05(cz).…
... .B)
!LOAD "filename" (load basic file "filename")
!GOTO "snapshot ... snap, CPU registers ...)
= (show basic info - ramtop, used memory, etc ... menu:
AUTO RESET - return to basic (if basic variables is bad then use ...Machine code issue...Hi Folks, My trials with MCODE continue and I am stuck. I wrote the following program in BASIC to simply POKE an attribute byte in to a "box" on th…
... the following program in BASIC to simply POKE an attribute ...
NEXT b:
RETURN [/CODE]
This code ... is quite quick for BASIC if the box is ... not end
C9 RET ;RETURN to BASIC[/CODE]
When ...Looking for cursor routineIt's been a long time since I programmed a little bit in Basic, so I decided to create a simple cursor routine: [url]http://db.tt/SPnSdpx[/url] I k…
... of use to other people who like to program in Basic but ... called from Basic
-Relocatable
-Ability to use pixel ... the routine returns to Basic (maybe via PEEK?)
-Return to Basic if certain ... key code somewhere so Basic knows what to do when it ...
