-
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…
...
ld hl, (vdu_data) ; get control code and first operand
ld ... D
ld a, l ; control code to A
cp 22 ... -
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…
... ) ; was detokenized character a control code?
jr nz, detokenizer_3 ... (iy + _flags) ; signal control code found
jr detokenizer_4 ; immediate ... -
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…
... ; test for embedded control code
ret c ... /> cp ctrl_pen ; control codes?
jr ... -
FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…
... between them by sending a control code. Another feature I was hoping ... the ability to use another control code to move the print position ... as the byte after the control code). Sometimes you really do need ... -
Arcade Game Designer 4Just released over at the AGD forums. New this time: Sprites can now be individually coloured using the SPRITEINK command. If 16x16 sprites aren't…
... my mistake,In the zero control code I was inserting my keys ... -
dumping protected BASIC loadersI wrote this a few weeks ago but forgot to post it. It will load & list from tape/TAP/TZX any BASIC program which has been saved with SAVE, including…
... 2-10: Load the m/code (for reading the tape blocks ... byte is not a print control code, print it in red, skip ... /> [*]Line 27: Print the print control code plus the following 1 (or ... -
ZX-Modules app reportZX-Modules app report If You are interested, I want to report about the state and progress about my ZX-Modules programs. I would like to report at l…
... introduced by the font style control code with a given height. Now ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... the control sequence interpretation is required by the terminal code ... all the functions that does control sequences could work.
... Many spectrum games use this control code trick too (at least ... i also used another special control code to "flush the buffer ... -
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…
... character is printed (with control codes handled as a special ... have an extended channel)
[/code]
ie, ch_identity ... w_ctrl ds.b 1 ; current control code
w_just ds.b 1 ... of window channel information)
[/code]
I ... -
'Input' MagazineJust wondering if anyone else remembers this magazine from the 80s.. And the cheesy TV ads..<br><br>https://www.youtube.com/watch?v=usiyCD2ptBQ…
... utterly puzzled by the random control code symbols that seemed prevalent on ... -
Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
... ever call the control code processor directly, with a code in A, ... do is jump to the control code processor directly, it looks ... action). But then your control code processor jumps back into the ... be even cleverer, your control code processor PUSHes the address it ... -
Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
... elsewhere.
[code]
print_string
ld ... br /> jr print_string
[/code]
but it ... thread...
[code]
print_string
ld ... branch to print char or control code
[/code]
Speed ... -
Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
[quote="R-Tape;832508"][code]
print_string
ld a,( ... /> ....branch to print char or control code
[/code][/quote]
Don ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... The A register holds the code of the character that is ... , something like this
[code]
ld a,2 ; ... /> ld a,32 ; ASCII code for space.
rst 16 ... /> ld a,22 ; ASCII control code for AT.
rst 16 ... /> defb 15
[/code] -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... these around appropriately.
[code]xcoord defb 0
ycoord ...
ld a,22 ; ASCII control code for AT.
rst 16 ... I see as unneeded code
[code]ld a,2 ; 2 ...
ld a,22 ; ASCII control code for AT.
rst 16 ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... br /> ld a,22 ; ASCII control code for AT.
rst 16 ... some control codes that lie in the 0-31 range. Code '22 ... to screen.
[code]delay0
halt ; wait for ... delay0 ; loop.
ret ; return.[/code]
[/quote]
" ... -
Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... level (you will see the control code parameters differ; underneath they are ... -
How to Write ZX Spectrum Games - Jonathan CauldwellHello, I'm trying to improve my very basic level of assembler by reading the Jonathan Cauldwell guide. I'm fine with the basics LD, CP, and JP,…
... Thanks very much.
[code]org 30000
main
ld a,32 ; ASCII code for space.
rst 16 ... /> setxy ld a,22 ; ASCII control code for AT.
rst 16 ... 0
ycoord defb 15[/code] -
Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... by printf() and the embedded control code in the printf string. A ... magic addresses in the interface code and it would be easy ... to replace the top-border code with his own ... -
BASIC Tenliners 2016I would like invite all basic programmers to this year's BASIC Tenliners contest. You have to code a game in 10 lines of BASIC. For details please ta…
...
Would
[code]
10 PRINT "Lives:";10 ...
Would embedded control codes in strings count as ... /> [/quote]
one control code = one character
[ ... the initialisation routine in the code?
[/quote]< ... -
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…
... you are running bank selection code from RAM.
However ... you want to run your control code from ROM, since bank will ... input, while running the pumping code :P
So I ... hardware, but would make running control code from ROM as easy as ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... . It also contains menu code and launch control code.
This is ... a small (6bytes max) launch code is copied to screen zone ... /> Then jump to that small code that switches to internal rom ... and jumps to the game code.
This is not ... -
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…
... , to be able to place control code in more than one place ... -
POKE taking a variable amount of time...Hi Folks, Does anyone know why the following POKE statements seem to vary in their execution time? [code]100 POKE 60000,10 110 POKE 60001,16…
... look at the machine code:
[code]
Address MCode ... 'a'
+$1 $0E Control code for number
+$2 $00 ... 2C ASCII code for comma
+$8 $0E Control code for number< ... directly, for example:
[code]
ORG 60000
... -
Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…
... /> There is the addition of control code xFFh, which acts as a ... -
c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... made optimalization on the 50Hz control code, some T-State can be ... saved but then the code would bigger. Enterprise version sounds ... is in 10KHz interrupt, the control is in 50Hz interrupt, and ... -
c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... extra noise generated by the control code which runs at every 50Hz ... run from 10KHz interrupt, the control is 50-300 Hz on ... it is 20KHz), and the control is 50-300Hz , and interrupt ... -
c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... be a bit better, the control code will be much shorter. -
endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …
... is implementing a terminal with control codes). As you know in ... terminals. These are not vt100 control sequences and would not work ... to screen, use the vt100 control code sequence to clear.
control code to clear or you can ...
