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ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …
... spectrum which must activate its rom (actually static ram) on NMI ... to process NMI and ROMCS lines. It does have CLPD for ... -
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 …
... CP H ; Have we reached ROM - $3F ?
JR NZ ... DEC HL ; step back to last valid location.
[/CODE]< ... : CP H ; Have we reached ROM - $0000 ?
INC HL ... -
Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... sprite and text routines to print to the buffered display and ... 768 - 16 - (attr * 16)
; last byte of the back_buffer - 16 ... + 6912 - (attr * 16)
; last byte of the screen
ROM byte forms JR vector
PRINT a numerical value i.e. the scoreHow do you fo about printing a numerical value using the print routine in the ROM? For instance I have a value 0-255 and want to PRINT the result at…
... numerical value using the print routine in the ROM?
For ... 0-255 and want to PRINT the result at say 0 ... de, (address of text to print)
ld bc, (length of ... text to print)
call 8252
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... 300dpi image, so if you print it at its original size ... , and isolation resistors from address lines at the multiplexer outputs from ... time needed for the platform ROM to transfer the configuration to ... the FPGA and the platform ROM)...
[img]http://www. ...need a new method for m/c parameter assignmentI've been using a variable length function of the form: "FN a$(a$,a[,b...,z])=STR$ USR md" to search a data table and return a string result. By putt…
... a string definition as the "last value" on the calculator stack ... about 24kT but the prior ROM call to the $27BD "Scanning ... speed up things by using "PRINT USR a$,a[,b...,z ... with the speed of the PRINT method; probably some way of ...multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…
Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width isAdding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... a cryogenic freezer the last 30 years, Elite ... /> 20 LOAD "" SCREEN$ : PRINT AT 20,0 : LOAD "" CODE ... use a couple of lines with compound statements to ... 10 : CLS :
PRINT "LOADER SAVED"
[/code ... I have forgotten in the last two minutes.
< ...Beta testing Fuse 1.1.0 beta 2Hello everyone, We are still preparing Fuse for a new release soon and would appreciate help in testing that all the new features and all the old fea…
... />
The fixes since the last release are:
Fuse:
[*] Add DISCiPLE ROM with EPSON printer support
audio2tape:
[list]
[*] Print flag byte (thanks, Ivan Shmakov ...Hardware description - MULTIFACE 3[B]Hardware description - MULTIFACE 3[/B] This is description of MF3 clone, because I can't find more about original interface. Schematic and PAL ch…
... rom pages + 8kB ram. Interface automatically save data lines ... (addressing x00xxxxx 00111111) return last data writed to port # ... (addressing x01xxxxx 00111111) return last data writed to port # ... (addressing x10xxxxx 00111111) return last data writed to port # ...SpecBAS 0.789 releasedHi all! Back with another SpecBAS release - this one's mostly just about sprites and bug fixes. One new addition I do quite like is the expression c…
... integer will still delete program lines!
LOAD "filename" BANK ... the text output routines (CAT, PRINT, LIST et al) no longer ... statements from the ends of lines
Range checking in ... /> Labels declared alone on the last line of the program with ...LOOK at the size of my Rom/EmulatorOk, we have 16k, 48k, 128k, even a 256 odd k Rom/Emulator But I want more :p Is there anything out there now or been worked on to give more, as the…
... , even a 256 odd k Rom/Emulator
But I ... to give more, as the last time I looked my numbers ... WANT A 1048576K(or more) Rom/Emulator
Could ...Use PLAY without the 128 ROMHere's a little thing I wrote called SoftPLAY: [url]http://www.worldofspectrum.org/forums/showthread.php?t=45259[/url] Now you can use the PLAY comm…
... bug-fixed version of the ROM command in RAM. The timing ... code runs faster than the ROM version. The click gaps you ... . Then you can use [b]PRINT #8;[/b] in place of ...Tape handling on a +3I'm seeing some strange behaviour when loading a basic program from the Loader option of a +3. I'm currently using the fuse emulator (I don't have an…
... :
[CODE]
10 PRINT "hello world"
[/CODE]
last error rather than "0 OK ... , and the +3e v1.38 ROM. I can't tell at ...that "listing variables during runtime" thingWell, I did eventually finish this, but with my meds playing up I don't have much time each day that I can spend at the computer, so it's taken rathe…
... after pressing ENTER on the last page of the listing.< ... when saving and PrintA0 to print them when restoring (see ... br /> NOTES:
; Fixes ROM stacking error
; Handles regular ... Part the 4th - the streamlined print routine assembler listing:
[url ...ROM game cartridgesHi, last time i got al lot of ZX 48k stuff. Also all the 10 games on ROM cartridges, most of them are in good shape. I'm not a collector, so i have n…
Hi, last time i got al lot ... all the 10 games on ROM cartridges, most of them are ... have no use for those ROM cartidges.
I like play ... .
So are those ROM cartridges rare?
And what ...ROM Routines Quick ReferenceSomebody was asking about calling ROM routines a few days ago, and it just so happens that I compiled this handy-dandy quick reference for same over …
... was asking about calling ROM routines a few days ... reference for same over the last few days - coincidentally - ... globalnet.co.uk/~jg27paw4/pourri/rom-routines.txt[/url]
ROM. I've just remembered ... in the 48k BASIC ROM) in the 128k models ...Python script to scrape Amazon.com book reviewsI've been meaning to read the Gollancz Fantasy Masterworks (roughly 40 books) and Sci-Fi Masterworks (roughly 100+ books) lists for a while now, but …
... csv_string += ',' + str(total_rating) + '\n'
print(csv_string)
# write rating ... # loop here to decode individual lines and write them to the ... Jonathan Carroll (56)
Last and First Men Olaf Stapledon ...Might need a new ROM for an MF128Had some trouble recently that has apparently killed my MF128, basically on pressing the NMI I get black paper and multicoloured vertical lines, and …
... multicoloured vertical lines, and just for curiosity I lifted the ROM out ...Interview with Daz Coombes, prolific pirate from 1987 onwardsIt's taken literally seconds to track down Darren 'Daz' Coombes, the local kingpin of the ZX Spectrum games piracy scene for Basingstoke. Daz took on…
... don't go over the lines or nuffink. You're getting ... It says in the small print that the levels are on ...
Daz: [i]Um, I last sold one in 1996. Bottom ...
Er, when did you last go into a computer shop ... />
When did you last hear from him?
Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... /> Possible applicatons for such ROM:
- debugger with ... rewiring RST 0x00 /,
- ROM extensions,
- IM1 routines. ... />
QUESTION: disclaimer ... ROM overwrites address FFFD thus ...what ... : why???)
; ... last addr. 0x3e07 to 0xff57
Game of Life.Last year (I think) or maybe the year before, I entered a Game of Life simulator into the CSS CGC compo but for the Sinclair ZX81. I decided to port…
Last year (I think) or maybe ... IF g(i,j) THEN PRINT c$;: GO TO s
4 PRINT s$;
5 NEXT j ... a little faster then not (PRINT AT z,z;t$;g ... is faster than PRINT AT 0,0;"generation:";g ... possible, and so the long lines.
This listing ...SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... numeric argument - DO 35: PRINT "X": LOOP will loop 35 ... which output graphics primitives (CIRCLE, PRINT etc) can now use alpha ... caused a crash in multistatement lines
Expressions that start ... sets lines that jump out of the program (past the last line ...Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
Hi, last year I started ... REM Vol Seven and the last volume icon
166 ... me but I'm the last one! SPN
... VARIABLES AND START VALUES, PRINT IN PLACES READY FOR ... DRAW 0,-56
910 PRINT AT 15,2;"\:: \:: \:: \:: \:: \:: \:: \:: \:: \::"
Where can I find accurate ROM functions map?Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly wh…
Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly what I want. Would also help keep program size small.ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... can only replace the ZX ROM, which has 16KBytes, but the ... from the limited bus address lines available to the cartridges.
print this kind of plastic labels ...Print (to screen) avalue held in a register pairHi guys, looking for a routine that will print any value from 0 to 65535 to the current position on the screen. I once heard that there was a PRIN…
... for a routine that will print any value from 0 to ... a PRINT_BC routine in the ROM, but I can't blimmin ... want a routine that will print a value held in theBC ...Z88DK v1.99B ReleasedAt Sourceforge: https://sourceforge.net/projects/z88dk/ It's been a year since the last release so it was time for another. This is another tran…
... been a year since the last release so it was time ..."ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…
... I managed to get those last two routines above to work ... every time I want to PRINT something on the stack, and ... THEN LET d=1 (both lines are in just to make ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... Added ITALIC and BOLD commands. PRINT embeddable, but BOLD is ... editor, supports indentation and split lines.
Further CPU ... tab alignment for new lines after lines that only contain ...
Fixed crash when deleting last line.
Fixed crash ...
