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SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... number of instructions. The ZX81 ROM, and by extension the Spectrum ... ROM is notable for its use ... duff programmers, surely a decent assembler would be a better use ... -
Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... at the stage where the ROM images should be loaded. Either ... a card and stored the ROM/SHADOW ROM then I could hold ... ), A
...
My assembler skills are poor. But I ... -
Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... at the stage where the ROM images should be loaded. Either ... a card and stored the ROM/SHADOW ROM then I could hold ... ), A
...
My assembler skills are poor. But I ... -
IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
... below (left), i.e. the ROM
switched in at the ... /> (000h...3FFFh) is ROM 3 (the 48 BASIC ROM). The RAM page ... /> 4000h...BFE0h, and ROM 2 (the DOS ROM) switched in at the ... -
Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... ROM-page switching mechanism.
Having my assembler ... 191),A ; XO = SHD rom in
CALL delay ... 191),A ; Xx SHD rom
DEC HL < ... -
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…
... defs 96, 255 ; unused locations (ROM 0)
.endif
... /> org 0x22dc
plot:
call coords_to_bc ; ... defs 75, 255 ; unused locations (ROM 0)
.endif
... fce ; exit calculator
jr plot ; immediate jump
LOAD "" CODE - Blind Alleycame across [B]Blind Alley[/B] in the archives, and both tzx/tap versions only have Bytes header, no Basic loader with autostart - please, anyone, ho…
... will have been returning to ROM code, and the BASIC interpreter ... 's something out there called "assembler") I remember the childhood techniques ...Clear the screen from assemblerI want to clear the screen before I draw my graphic elements on it. Speed is not important so I was thinking of using the rom CLS option if that is p…
... PAGINATION![/QUOTE]
The ROM CLS routine not only clears ... , but also resets PRINT and PLOT cursor coordinates.Poor noob needs info on Skywave FORTHHey there everyone, forgive me if this is not the right place for this. I am a vintage computing enthusiast front he states and I just recently star…
The uSource on Paul Farrow's site (Fruitcake) is from an 8K ROM. The FORTH is fairly basic and non standard (using # instead of : for example). The Assembler on the device is excellent though.Poor noob needs info on Skywave FORTHHey there everyone, forgive me if this is not the right place for this. I am a vintage computing enthusiast front he states and I just recently star…
... (Fruitcake) is from an 8K ROM. The FORTH is fairly basic ... # instead of : for example). The Assembler on the device is excellent ...IX register - using/problemsAre there any rules on using the IX register? Are there any restrictions on the memory locations that it can access? Yes, I know it's slower than us…
... run via interrupts or calling rom routines then you may be ... can access them in an assembler by putting the byte of ..."Weird" Spectrum +3Hi folks. I've just dicovered that one of my +3's has an Issue 1 board, with all the mods that are mentioned on guesser's website - the other has (w…
... the ROM IC's, and thought to myself "aha, the plot thickens ... 's entirely possible that the ROM's is his doing also ...Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... ()).
Here's the assembler listing, anyway; GO TO 200 ... calculate the addresses from the plot coordinates - but then I realised ...Convert .mid files to .asm for AYI've had a mess about with Midibeep for converting midi files to Basic BEEP statements with little success, it got me wondering if there were a progr…
... in Pasmo (or any other assembler)... Of course, if your also ... sound engine (its using the ROM beep engine), and its only ... not pasmo compatible (my preferred assembler)... but it is SJASM compatible ...Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... /> Doing an unplot in the assembler would be quicker than doing ... after every step. Save the plot addresses and bit positions and ...Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... works internally. Learn how the ROM does what it does, spend ... a good working knowledge of assembler together, [i]then[/i] you ...Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... />
As regards BASIC and assembler, it's fairly easy to ... Vickers book; for the Spectrum ROM, the Logan/O'Hara disassembly ... for anyone programming in Z80 assembler on the Spectrum. What I ... Ian Logan, which explains the ROM routines and how to use ...Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... a C compiler environment. The assembler is an independent program. Further ... 's snprintf and then the ROM to print the result.
// assemble the following with the assembler
// z80asm prog.asm -lz80 ... 'm a bit rusty with ROM code
pop hl
Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... a C compiler environment. The assembler is an independent program. ... s snprintf and then the ROM to print the result.< ... /> // assemble the following with the assembler
// z80asm prog.asm - ...
[/QUOTE]
The assembler is not the C compiler ...Listing protected BASIC programsHi, Is it possible to list protected BASIC programs at all? like the ones that are protected from being merged. Thanks. [I](sorry if this has al…
... a few lines of assembler ("Using the ROM's tape routines from ... assembler" in the Compendium explains how ...Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... . Taking into account that the ROM's TEST_ROOM routine requires at ... /> I used the built in assembler now and the code I ...Un-PLOTting in the #0 areaHow do I go about un-PLOTting in the bottom 2 lines. I am aware the ROM PLOT routine only works in the top 22 rows, so how would I go about depletin…
... />
I am aware the ROM PLOT routine only works in the ... use a MC routine to PLOT in lower screen.New Game:Killer BeesI have ported one of my favourite games for the Phillips G7000 to the ZX Spectrum. Killer Bees, I spent hours playing this as a kid. The original g…
... RAM: 128 bytes
BIOS ROM: 1024 bytes
just ... you code on a unix assembler ? I read a few places ...New Game:Killer BeesI have ported one of my favourite games for the Phillips G7000 to the ZX Spectrum. Killer Bees, I spent hours playing this as a kid. The original g…
... RAM: 128 bytes
BIOS ROM: 1024 bytes
just ... you code on a unix assembler ? I read a few places ... />
We did program in assembler. Not unix though. I didn ...Programming again with the ZX SpectrumI am going to take a blast at programming for the Spectrum again. Its bee a long time since I have done this. I need to refresh my memory and maybe l…
... a keypress (like the PASMO assembler, which can assemble your code ... one in the Spectrum's ROM. Then learn to read the ...doom on 128ki see a youtube video of doom being played for the spectrum, is this designed to work stright of a tape and onto a spectrum without the divide thing …
... in flags when the BASIC ROM is loaded, this has no ... effect when the Syntax ROM is loaded; the timeout routine ... BASIC commands cause the Syntax ROM to be loaded temporarily. The ... have to be rewritten in assembler so that I can disable ...eVALuating $ in +3 BasicHi all, I was very interested in the thread below about re-starting Basic, and remember reasonable amounts from zx81 and early Spectrums. But I now h…
... way you could call the ROM routines to convert text into ... includes it, or else the assembler is here:
[url ... I don't use the ROM tokenize routine, as it doesn ... , although I do use the ROM token table to check for ...PC to +3 communicationsHi I'm going to explore the abilities of my +3 to communicate with a PC. The "natural" ways to do that would be via serial or parallel link. I've b…
... ?) serial transfers from assembler, without resorting to ROM or needing timed loops ...IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... .
007f = ROM EQU #7F; Page in ROM
00ff = ... /> 0016 : d37f ENB_WR OUT (ROM),A; Page out RAM
AS80 Assembler for i8080 [1.31]. ...
