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Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... execution to page in for BASIC extensions, without using the M1 ... running, the original Spectrum's BASIC ROM is never actually active ... At $0008 is a short routine to page into the ResiDOS ... normal actions of the RST8 routine before paging back to the BASIC copy). -
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... demo together.
Download BASIC demo screen flipping snapshot here ... my slow decimal to binary routine - this routine is illustrative, but could ...
7000 REM screen copy
7010 FOR i=0 ... as screen1 (So we can copy one to the other).
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... rewrite the ROM screen print routine and set it up as ... of the "shadow screen" from BASIC.
I had another ... copy" routine (when we are restricting ourselves to a 100% pure BASIC program ...'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... in bank 7 and draw (copy) a screen to it, then ... is to have a single routine to draw to 0xC000, and ... games written in VIC-20 basic for the Speccy 48K.[/QUOTE ...VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... c and how to mix Basic and machine code on the ... EQU $FFE4
; init routine
ORG 5120
JSR CHROUT
; Copy 64 characters (512 bytes)
BNE PAGECOPY
;Copy my SPRITES into the character ...VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... ; and restored before returning to BASIC
PTR1 EQU $FB< ... FFE4
; init routine
ORG 5120
; Copy 64 characters (512 bytes)
BNE PAGECOPY
;Copy my SPRITES into the character ...Help to run Abu Simbel in a +2A SpectrumI bought this game some weeks ago, but the version is the old one. When I loaded it in the emulator, I had to switch the keyboard issue to 48Kissue.…
... -Some code stays near Basic area and does the following ... going to create a new Basic loader, it should:
routine to copy the data to ... creating a very small Basic loader shouldn't be ... would then use that Basic loader instead of the ...How does the Speccy deal with the Character Set?Hi All, Can anyone spare a little time to explain to me the basic Assembly method of how the Speccy interprets and retrieves Characters to print on …
The basic asm method is to ... the Spectrum's "putchar" routine, which puts a single character ... br />
The typical routine to write a string in ... character in ROM, and copy it to the right location ... *writing* your own putchar routine (which most of the time ...Tape and Disk breakpointsIs it possible to set a breakpoint on a .TAP, .TZX or .DSK file so that the debugger pops up when loading finishes? I'm talking about a breakpoint wi…
... not fond of protected BASIC loaders, code blocks with ... nothing like a clean BASIC loader with a clean ... a small m.c. routine will be needed to ... variables and/or the BASIC area, but I can ... routine to copy from one memory area to another (printer buffer, BASIC ...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 …
... po_store equ 0x0adc ; position store routine
report_j equ 0x15c4 ; ... make_room equ 0x1655 ; create buffer routine
strms equ 0x5c10 ; ...
nop
; copy the colours
REPT 24 ... BASIC)
jp 56
; im2 jump to routine ...Help loading OPUS data block ?Hi folks, A while back I obtained a Daton Software Card Games compilation which will be in the next Vault update: http://www.worldofspectrum.org/inf…
... except that a copy of the original "run" BASIC must be
routine to run.
The rather amazing "run" BASIC:< ... . A 'normal' copy of the
"run" BASIC lines (of course ... will solve this.
Other copy protected Opus disks might differ ...Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
... the ROM/CS line. You copy a bit of code to ... out your ROM making the BASIC ROM available. You set RAMTOP ... and jump into the MAIN routine, leaving the channels in place ...Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
... the ROM/CS line. You copy a bit of code to ... out your ROM making the BASIC ROM available. You set RAMTOP ... and jump into the MAIN routine, leaving the channels in place ... whereby a callback into the BASIC ROM can be made returning ...Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... The +3 Manual states "If BASIC's CLEAR command has been ... used so that the BASIC stack is below BFE0h ... page 5, screen, variables, basic, stack etc stay in the ... 3/4/6, and copy it up there (probably ... (probably a minimal switch routine above c000h in one of ...Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... return from dos, page and copy it into the upper RAM ... +3DOS, but the whole 'initialization' routine does need to fit into ... [b]need[/b] to keep basic active, just as long as ...New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…
... the 1.5K of the BASIC area that's present on ... , then copy them down over the system variables and BASIC and re ... expanded main-game colour interrupt routine, as there's no time ...Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... there's a library routine to change the border, ... really intended to provide basic computer science education, if ... which provides a development copy or you can click ... you can get a copy of the current ... around to it some basic installation instructions should ...Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
... necessary is that 128 basic puts a bunch of ... page 7 could crash 128 basic.
To get ... mode and still return to basic. I have no clue ... Then the m/c routine should copy the buffer to the ... frames to complete the buffer copy (around 140k cycles), very ...FMV on +3eOK, so about 6 months ago i posted here that i got full motion video on +3e, with a bunch of scr files called passion. I added the glider rider music…
... compiler program written in glorious basic and edit it with ... and prompt you to copy all the audio files ... 4 bit AY during the copy, if required.... It will ... can then save the player routine to that partition later ... it will drop back to basic. If space is never ...TRD/SCL importer for MB02+ and PROFI INTERFACEHi all MB02+ users, I know this time noone of you will be able to use my new program, because with MB02+ you will also need Velesoft's PROFI INTERFA…
... problem why I cannot simply copy games from TR-DOS is ... loading in MC, not in Basic
- I cannot read in ... , each loader, each BASIC or machine code routine is different. I comletely ...'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... are internal parts of the BASIC interpreter, and designed solely for ... all.
Fill memory routine I've provided is very ... (HL)
ld (de),a ;copy into (DE)
inc hl ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
ROM (BASIC) routines for graphics designed to ... of 'channels' conception in the BASIC/ROM.
What exactly ... 'other' version? You want a routine which does the same as ... mind that I'm not copy/paste routines from somewhere, I ...+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... />
The USR 49050 routine is the one given in ... to the file check routine all in m/code ... used by the DOS-OPEN routine called from (a slightly ... the end, or (better) copy the selected one somewhere else ... arrays defined outside of BASIC has been covered in ...Games only possible in 128K mode?In the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=30145[/url] the discussion of 128K only games comes up, and it made me w…
... a call in the interrupt routine of Beepola's assembly output ... need the original game to copy the correct patterns of falling ... a version that exits to basic instead of restarting straight away ... /> Press BREAK to stop the basic and type RUN to restart.Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…
... to NEWPPC (which the load routine sets, as it's ... the exact routine used by the load command ... s line buffer (using the routine ADD-CHAR) and re-entering ... TO), instead I just copy NEWPPC to OLDPPC and that ... to be shown, so BASIC at this stage is fully ...Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…
... to NEWPPC (which the load routine sets, as it's ... the exact routine used by the load command ... s line buffer (using the routine ADD-CHAR) and re-entering ... TO), instead I just copy NEWPPC to OLDPPC and that ... to be shown, so BASIC at this stage is fully ...
