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What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... splayr ; show player.
halt ; delay.
; Jump back ... -
A "bit" of a curiosityHaving to use a bit of m/code to do the AND in that key check function, I was prompted to revisit the "AND,XOR,OR,...for BASIC" topic and came up wit…
... = val2 = 2nd number
c = opcode = 0(OR), 1(AND), 2 ... SUB FN b(val1,val2,opcode,bits,nnnn,0)
....
Korea to ban virtual (i.e. in game) item trading"[COLOR="SeaGreen"]Starting next month, South Korea will ban in-game item trades in videogames, according to a recent article on the Korean Times. …
... a new law that will halt virtual item trading. The ban ...128K - demos from Di Halt 2012Demos: [url]http://zx.pk.ru/attachment.php?attachmentid=36377&d=1341756942[/url] [url]http://zx.pk.ru/attachment.php?attachmentid=36378&d=134175696…
Demos:
[url]http://zx.pk.ru/attachment.php?attachmentid=36377&d=1341756942[/url]
[url]http://zx.pk.ru/attachment.php?attachmentid=36378&d=1341756961[/url]
[url]http://zx.pk.ru/attachment.php?attachmentid=36379&d= ...BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. Even so, sometimes experienced developers may decide to access BIFROST* internal routines directly, for ...BIFROST* Advanced Programming - part 2This second demo shows animated and moving tiles together, and also how to implement collision detection. This knowledge should be enough to implemen…
... ) {
// frame sync
asm("halt");
}
// erase tiles ...BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before. In BIFROST*, "sprite tiles" are 2 special tiles that BIFROS…
... />
// frame sync
asm("halt");
// erase and move ... ) {
// frame sync
asm("halt");
}
// erase and ...ULA bug and snowI am tryng to improve the snow emulation in FBZX wii but I do not have a real spectrum to test the results. I used the information taken from Harele…
... the 4th cycle of a opcode fetch cycle and if the ...BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... ) {
// frame sync
asm("halt");
}
// erase tiles ...BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... ) {
// frame sync
asm("halt");
}
// erase player ...BIFROST* Advanced Programming - part 6The purpose of this demo is somewhat different from previous ones. Instead of teaching a new technique, the main goal here is to demonstrate how much…
... 14; ++f) {
asm("halt");
}
... /> // frame sync
asm("halt");
// player ... /> // frame sync
asm("halt");
// erase enemy ...JSpeccy v0.92A new JSpeccy version has been released. Summary of changes, - Screen redrawing is a bit optimized now and a bug when speed > 1 has been corrected. …
Using RST 16 and udg flickerHi there! I'm using UDGs and RST 16 to make a simple canyon bomber game. I've got the game mechanics working ( finally ) but now I'd like to make …
... />
I have used a halt instruction before my draw operation ...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 …
... ;calculate the SET b,(HL) opcode for bitpos
add a ...Tolerable cut scenes!I must be getting old as games with too much talking and/or cut scenes really does my nut in. I prefer it if I can switch off the voice acting and ju…
... the conveyor and it said "halt.. blah blah blah blah blah ...Hacker Chris' Christmas Demo doesn't work[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0007314]Christmas Demo[/url] .z80 file from WOS doesn't work for me. I tested in Fuse and SpecE…
... program is stuck in a HALT instruction with maskable interrupt disabled ...Game loopJust working on my first ever Spectrum game, and am struggling to work out what the game-loop should look like. I've got interrupts enabled (mode 2)…
... (pseudo code):
loop: halt ; wait for interrupt to occur ... I was thinking about the halt instruction I then thought it ... :
loop: update_stuff
halt
clear_sprites (from old position ...Questions about Vortex Tracker II exported songsHi, I have been experimenting with Vortex Tracker II lately and have a couple of questions. By exporting the song to TAP format, a file is generated…
VT2 hobeta player?I am trying to build something with a hobeta with player exported from vortex tracker ii. I want to be able to run the file on a standard 128K. I am …
New version emulator ZEsarUX-1.1Hi I have uploaded a new version of my ZX80/81/Spectrum emulator on [url]http://sourceforge.net/projects/zesarux/[/url] Changes are: Added suppo…
... view cpu registers option with opcode dissassemble
Fixed opcodes LD ...Retro Computers/Gaming Movies & TV ShowsThere's some really interesting retro computer/gaming related movies and TV shows out there at the moment, with some others in production. I've put t…
... =nv_sr_2[/url]
[b]Halt and Catch Fire (TV SHow ...Slow/fast games - change speedSome ZX games are too slow or too fast. Problem with speed is aslo in russian ZX games or thanks to different memory layout on zx128 and +2a models. …
... games if you remove some HALT instructions. For example in russian ... . One POKE 43315,0 replace HALT instruction with NOP and game ... .
Not always is HALT instruction use for screen synchronisation ...Halt and Catch FireAnyone watching this tv show? a bit like MadMen, but set on the early 80's (83 I think), and spent in the PC industry. bit of the underdog tale a…
Anyone watching this tv show?
a bit like MadMen, but set on the early 80's (83 I think), and spent in the PC industry.
bit of the underdog tale about a small company that wants to rival with IBM.
Finding it quite ...New version emulator ZEsarUX-1.3Hi I have uploaded a new version of my ZX80/81/Spectrum emulator at [url]http://sourceforge.net/projects/zesarux/[/url] Changes are: Added experim…
... repetition
Improved cpu statistics: opcode name on full statistics, total ...Ensure my interrupt handler begins at the same T-stateHi! Is there a way to ensure that an IM 2 interrupt handler starts always at the same T-state (related to the moment the ULA triggers the INT line, w…
... main loop is full of HALT instructions, with some instructions to ... of instructions that aren't HALT last a number of cycles ...IX+n and self modifying code and pasmoI'm using pasmo and if I wanted to use ix+n like this: (ix holds the position to a sinus table) ld (symbol), a LD a, (ix+symbol) What I want to do…
... time. it looks like this opcode designed to be used like ...Zero 0.7 / Zero 0.6.5 releasedAfter months of grueling work, I?m proud to announce the Vanilla version of Zero, which is a regular Windows version of the emulator. I?ve tried to m…
... and FDCB versions of RES opcode.
? Fixed full screen toggle ...New version emulator ZEsarUX-2.0Hi I have uploaded a new version of my ZX80/81/Spectrum/Z88 emulator on [url]http://sourceforge.net/projects/zesarux/[/url] Changes are: Added Ca…
... =2319[/url]
Fixed cpu opcode OUT(N),A
Fixed ...
