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Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
Spectaculator/zx81.rom/zx printerHi I'm Paolo z I've loaded on Spectaculator6.25 (not registred) the following rom file (renamed zx81.rom) on spec128k: [url="http://www.fruitcake.pl…
... (not registred) the following rom file (renamed zx81.rom) on spec128k:
ZX81 ROM (edition 2) and patching the ... zx printer ,but at the end the word "TEST"
is ... of the projecting of zx81.rom file or of Spectaculator or ...128 ROM paging alternativeWould this work (with the appropriate code in each ROM)? [code] ; 128 rom paging routine ; use rst 28h with call address stored after restart ;;rom…
... the appropriate code in each ROM)?
[code]
; 128 ... rom paging routine
; use rst ... /> ; ret ; the ret at the end of the routine will be ...25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…
... (2000)
* Advanced IF2 Simulator [ROM] (2001)
* BMP2SCR (2001)< ... but some of it will end up in Open82)
* ... out how to add six TOKENS to Sinclair BASIC on codes ... abbreviations in the Gosh Wonderful ROM
* Discovering that Roller ...ANN: ZX Spectrum +2g ROM setI'm working on another modified ZX Spectrum. This one is based on the +2A. There's quite a lot of work to do on the hardware but the ROM set is prett…
... /> 3: The original 48 BASIC ROM
The Spanish editor ... /> DELETE n, n (start line, end line)
EDIT n (line ... /> UK (switch to UK editor ROM)
USR 0 selects ... hardware enabled.
SPECTRUM selects ROM 3 with the additional hardware ...Shadow ROM partial decoding not implemented in emulatorsOr at least, not implemented in Spectaculator, and it seems that not in Fuse too. [URL="http://www.speccy.org/foro/viewtopic.php?f=8&t=408&start=53"…
... hardware automatically unpages the shadow ROM. As the RET instruction ends ... /> jp 0700h ;UNPAGE
end 32000[/code]
The ... 1 partially decodes the shadow ROM and therefore, the last 8192 ...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 ... be activated in the end of M1 CPU cycle, ... br /> detected at the end of the machine cycle, then ... BUSREQ is detected in the end of machine cycle.
... is recognized in the end of cycle), activate NMI ...TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... TESTROM3 utility as 16kB ROM file + flasher for install ... for ZX Spectrum as 16kB rom image.
... testing next pages. At end start 128 test
... (16384-32767).
At end start test again.
... border lines.
At end start test again.
...Enhanced 128 Editor ROM ?Hi :) Over the years a bunch of people made enhancements to the original Spectrum ROM. The known bugs were fixed, new features added, etc. but has a…
... enhancements to the original Spectrum ROM. The known bugs were fixed ... ever created an enhanced editor ROM for the 128 machines? Enhancements ... easier reading, pageup/pagedn, home/end, simple UDG/font editor, etc ...TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... start and one at the end, two bytes being the TAP ... parity byte written by the ROM SAVE routine. Some editors might ... /code routine for expanding the tokens (see also Token.ASM).
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 sw ... rewiring RST 0x00 /,
- ROM extensions,
- IM1 routines. ... />
QUESTION: disclaimer ... ROM overwrites address FFFD thus ...what ... 0x11D0 LD A,#0x3f ; ROM end 0x3f (ff)
0x11D2 ...did anybody program games for their spectrum?did anybody make games for their spectrum and have you still got them in tap/z80 format. i once attempted to make a side scrolling game but it didn…
... the basis of this modified ROM.
[/quote]
ROM modification.
ROM to prevent the K ... an error, the tokens reappear - to that end, I decided ... tokeniser/detokeniser outside of the ROM (and *that* was ...25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…
... (2000)
* Advanced IF2 Simulator [ROM] (2001)
* BMP2SCR (2001)< ... but some of it will end up in Open82)
* ... out how to add six TOKENS to Sinclair BASIC on codes ... abbreviations in the Gosh Wonderful ROM
* Discovering that Roller ...logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…
... REM statement.
;ROM routines needed
SCANNING equ ... CH_ADD equ 5c5dh
;Tokens
REM equ 234
endp
end[/code]
The code ...AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…
... with PASMO
;Rutinas ROM
STK_TO_BC equ 2307h
DEFADD equ 5c0bh
;Tokens
CODE_AND equ '&'
endp
end[/code]
To use ...What is the (hypothetically) largest 9999 lines BASIC program possible?If the Speccy had infinite amounts of memory, what is the largest 9999 line BASIC program that could be made? (in K and amount of instructions) (Yet…
... bytes (in theory) of tokens, including the end marker. So that's ... to set up a new ROM with a groovy - and slow ... line, as an IF must end the line unless you get ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... on interrupts
ret ; end of maskable interrupt
retn ; end of non maskable interrupt
tokens)
ccf ; complement carry ... ; set ROM and VRAM page
ret ; end of subroutine< ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... _flags) ; checking syntax?
ret ; end of subroutine
; ... /> ld a, %00001111 ; ROM 0, VRAM1, RAM 7
tokens that can be renumbered
ROM 0)
.endif
...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... copy
ret ; end of routine
TOKENs or UDGs?
ROM 0, VRAM 1 ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... loading listings; it uses the ROM's own routine for syntax ... in BASIC" error at the end, but it will still have ... or graphic characters, or put tokens in strings (eg. in a ...How to get the current line position of a +3e's text window?Does anybody know how to get the current line position of a [url=http://www.worldofspectrum.org/zxplus3e/]ZX Spectrum +3e[/url]'s text window? I've r…
... ; real output routine in ROM 0 (or invalid I/ ... ; real input routine in ROM 0 (or invalid I/ ... 1 ; pointer routine in ROM 0 (or invalid I/ ...
; bit 2: 0=tokens, 1=extended udgs
; ... ; saved window contents (always at end of window channel information)
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…
... but also all UDGs and ROM graphics.[/quote]
Ah yes ... the INT v/2, you end up trying to print characters ... the character set ie. BASIC tokens.Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …
... ] := Memory[Idx];
End;
// 48K ROM TRAPS
// Just ... which checks for UDGs or tokens
PutWord(@Memory[$0C36], $00ED ... [Idx] := Memory[Idx];
End;
End;
[/code][/spoiler].
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... />
setchan equ 0x1601 ; ROM openchannel routine
ld hl ... ; bit_7 PAPER 9
;rom routines , not used
;plot ... br />
;common words/tokens to read instead off numbers ... is a ? at the end of one of the strings ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... an "A" at then end of the text string cos ... ; bit_7 PAPER 9
;rom routines , not used
;plot ...
;common words/tokens to read instead off numbers ... UDG "A" at the end
defm at,3,12 ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... an "A" at then end of the text string cos ... ; bit_7 PAPER 9
;rom routines , not used
;plot ...
;common words/tokens to read instead off numbers ... UDG "A" at the end
defm at,3,12 ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... the input buffer up into tokens and print each token it ... , with separator being whitespace or end of input.
... stuff not inside quotes as tokens for parsing.
[code ... #7F ; backtick (or (C) with ROM font)
; data type ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... ]https://i.postimg.cc/zvcgQMMQ/tokens.png[/img][/url]
... #7F ; backtick (or (C) with ROM font)
; String/ ... terminated buffer
; all tokens split with null char
ld c, 0 ; count of tokens
.loop
call trimleadingws ...
