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Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... same time ULA draws border. the border color is taken from ... ULA starts draw sequence: left border-pixel screen - right border for every pixel ... .
this is only basic info (for zx48)but it ... about multicolor or effects in border}.
good ideas ... -
About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
... : RANDOMIZE USR 32768' in Basic and press enter. Using the ... ROM functions like PRINT, INK, BORDER, CLS, etc.?
[/quote ... include/graphics.h for plot, draw, circle, cls (clg) commands. ... br />
[code]
void border(unsigned char colour)
{
New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... be used to set the BORDER color (bits 2, ... VARS for start of BASIC and POKE the first ...
====================
* General BASIC tips
--------------------
* Place ... various flags controlling the Basic system and generally should ...Best Speccy game written in BASICHopefully this has not been done before, but anyhoo. My vote is the sublime VIKING RAIDERS.
... consider a game "written in BASIC" if the main portions of ... it are written in BASIC, i.e., the main ... screen, do a nasty border effect or draw a chunk of backdrop ... t make the game "less BASIC". That's the case of ... main loop written in pure BASIC which use M/C ...Best Speccy game written in BASICHopefully this has not been done before, but anyhoo. My vote is the sublime VIKING RAIDERS.
... a game "written in BASIC" if the main portions ... , do a nasty border effect or draw a chunk of backdrop ... make the game "less BASIC". That's the case ... loop written in pure BASIC which use M/C ... loop was actually written in BASIC; compare with, say, Mined ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... library ZX_CLIB.LIB for border() and the INK ... ._sprdrawftbl ; table of sprite draw functions indexed by type
There are five basic sprite types: MASK, OR, ... that contained the corresponding draw function. This table ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... specific character square just like Basic's "PRINT AT". These characters ... Remove the Tic-Tac-Toe Border from the Engine
draw the tic-tac-toe border using SP1.
border. Then sp1_IterateUpdateRect() is used to ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... , smithore, crystite)
// bit 4 = draw production potential dots
// bit ... , gfx_plotBorderPixel, 72, 1); // OR plot border into buffer
memopi(buff ... anything normally done in Sinclair basic, but you should be starting ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... are stripped off as in basic when INT() is used (C ... function we've managed to draw the shifted mountain graphic into ... helper "mtn_rotateLeft" this time, to draw this last bit of mountain ... game, the player's coloured border flashes between player colour and ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... that the template places seven basic time units into PTU, ... " and "SP1_DRAW_OR1RB" (right border) -- all three draw functions we have seen ... functions LB (left border) and RB (right border) are written ... ) because the draw function of RB (right border) type knows ...Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... />
The easiest way to draw the playing board would be ... ,0 means PASS. Maybe the BORDER color could indicate each player ... /> I started working on the basic algorithm to validate a move ...Vector drawing routines.Anybody could point me to some sort of vector drawing package of routines, callable from BASIC? With "vector drawing" I mean to draw 2D pictures with…
... to leave enough space for BASIC?
[/QUOTE]
case 1: // line draw
// draw(int x1, int y1, int ... bytes on the fill border are what's in ... pattern fill and return to basic
.DOLINE
...BASIC Keyword ReferenceHi. I do most of my ZX work on a grey-case +2 which, as we all know, is devoid of most of the 48k BASIC keywords (it has LOAD and stuff, but not much…
... comments welcome:
[CODE]SINCLAIR BASIC Keyword Reference
The ... br /> BIN : E : B
BORDER : K : B
BRIGHT : ... /> DIM : K : D
DRAW : K : W
ERASE : ...A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …
... ;261637]Is this using Sinclair BASIC (appears not, judging by ... Nope, I first considered Sinclair BASIC, but discarded for many reasons ... Spectrum-only commands (BORDER, IN, OUT, PLOT, DRAW, CIRCLE, PRINT AT ... purist, much of the ZX BASIC dialect could be used ( ...48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... " at the top of a BASIC program).
[I]On a ... when it is "safe" to draw on the screen - all in ... timings. Some games that draw in the border area (such as Paperboy ... " SCREEN$. This will only affect BASIC programs.
13) The ...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 ...
; Black background & border, invert mode on
LDA ... br /> STA 36869
;Draw play area
LDA #7680 ... br /> STY COMMODE
; draw the commode on the screen ...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< ... />
; Black background & border, invert mode on
LDA ... STA 36869
;Draw play area
LDA #$00 ... STY COMMODE
; draw the commode on the screen ...Which emulator do you use?Note it's not a poll about which emulator you think is best*. Simply which emulator you tend to use. You can vote for multiple emulators if you, like…
... write a program in Sinclair BASIC that emulates a Windows PC ... />
1 Set the border and paper to black, the ... POST screen. Clear the screen. Draw the Windows loading screen.
Ultimate loading screensAs I'm replaying some of my youth favorites, a question arose today that -- funny enough -- I used to have also back in those times. Maybe someone kn…
... it blatantly obvious adding a border to their screens and all ... 's hard to draw on that area from BASIC maybe that's ...SCREEN$ 1.9e Released!And here's another update! [url]http://paul.dunn.googlepages.com/SCREEN_1.9e.rar[/url] There's a few new things in this release, but it's mostly bu…
... /> I'll keep using Direct Draw mode, which works fine here ... /> Config: BASICCount=10
Config: BASIC=1
Config: CLS=1 ... /> Config: Aspect=1
Config: Border=3
Config: Corners=0 ...SCREEN$ 1.9e Released!And here's another update! [url]http://paul.dunn.googlepages.com/SCREEN_1.9e.rar[/url] There's a few new things in this release, but it's mostly bu…
... triangles act as the Spectrum border, reacting to the loading noise ... 'll be happy with Direct Draw. :)
I logged ... /> Config: BASICCount=10
Config: BASIC=0
Config: CLS=1 ... /> Config: Aspect=1
Config: Border=3
Config: Corners=0 ...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 …
... /> ; PRINT, PLOT, CIRCLE and DRAW now function on the bitmap ... af
; return to BASIC
ret
; ... />
;Pause for the top border:
ld bc, 435
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 ... over the system variables and BASIC and re-allocate the ... 12K) to enable it to draw sprites fast enough. At the ... re done during the top-border timing phase of the ... Since it's mostly top-border time, the tables being in ...Preliminary MontyHey All... A new 2009 production (port from Atari) of a game called "Preliminary Monty" is out. It is a VERY nice platform game - with a bit "crude…
... :
HALT ;after interrupt ula draw border and on data bus is ... possible fix also on ZX basic with POKE commands.
Test ... joy in ZX basic:
IF IN 31 > ...Preliminary MontyHey All... A new 2009 production (port from Atari) of a game called "Preliminary Monty" is out. It is a VERY nice platform game - with a bit "crude…
... /> HALT ;after interrupt ula draw border and on data bus is ... br /> (add one line in basic loader)[/QUOTE]
Only basic loader is modifiead (added some ... ://velesoft.speccy.cz/other/preliminary_monty-basic.png[/IMG]
...Preliminary MontyHey All... A new 2009 production (port from Atari) of a game called "Preliminary Monty" is out. It is a VERY nice platform game - with a bit "crude…
... :
HALT ;after interrupt ula draw border and on data bus is ... possible fix also on ZX basic with POKE commands.
Test ... joy in ZX basic:
IF IN 31 > ... disconnect
Call from basic: IF USR xxxx THEN POKE ...How paint in the down two lines ?The down two lines on the spectrum screen cant be used. But i remeber from the 80's that exist some code that allow us to paint on these two lines wi…
... all 24 lines:
30 BORDER 6
40 FOR ... 80 BORDER 5
90 PLOT 0,0
100 DRAW 255 ...
110 DRAW 0,191
120 DRAW -255,0
130 DRAW 0,-191
BASIC ALLOWS
150 BORDER 4
160 ...Help! Reverse engineering a Spectrum game[deleted]
... over again to do the basic requirements for you. You should ... look into 'state machines' and 'draw lists' for controlling sprites/objects ... generator
14 - A set border routine
15 - A set ...
17 - A line draw routine, optimised when drawing one ...Help! Reverse engineering a Spectrum game[deleted]
... saving graphics space, or to draw a wireframe box (calling it ... to display collision data areas, basic 3D, panel displays, eye candy ... 1 over x.
Border/Fade:
Why would ... you not set the border? Fades come in handy for ...
