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TimesplittersI can't find the "Please sign the Timesplitters petiton" thread I made some months back (bloody WOS search engine!), but re: that thread; "[COLOR="B…
... is the occasional car driving by, and you can shoot chickens ... had back in about 1995/96, and purposely went looking for ... -
What do you think Amiga's chances are?Would you abandon Windows for Workbench? At least for your own enjoyment when you don't have to use Windows? [url]http://www.a-eon.com/[/url] [url]…
... the Amiga’s strengths. By the early 90s most ... had moved to the consoles by the early '90s. ... t completely splutter out until 96/97, which was around ... market was already dominated by IBM compatibles and once Doom ... machine for 1992 but by 1995 they were both ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
What do you think Amiga's chances are?Would you abandon Windows for Workbench? At least for your own enjoyment when you don't have to use Windows? [url]http://www.a-eon.com/[/url] [url]…
... had moved to the consoles by the early '90s. The Amiga ... 't completely splutter out until 96/97, which was around the ...Assembler v Machine CodeHi. I've been looking at a lot of the code examples in the Development section and can see that Assembler is the way to go. However, I was wondering …
... reading the ASM document provided by IBM - found a very strange ... them - this was back in '96 - my Amiga had an 060 ..."Chronos": how fast should it really be?I was reading [URL="http://timfollin.pwp.blueyonder.co.uk/Archive.htm"]Tim Follin's webpage[/URL] the other day and came across a curious remark abou…
... 0..15), multiply this value by 10 and divide it by 16. One ... was
brought to you by the letters C and X ...Varios +3(e)DOS questions?I'm converting tape games to disk, for being used in my +3e. I'm trying to convert them to standard BASIC loaders, so files could be copied using BAS…
[QUOTE=Zup;700779]And a question related to commercial loaders. Because I'm being unable to crack some loaders (speedlock, etc.), I was thinking about attacking disk loaders. How did they read the disk? Did they use +3DOS calls or did they access the ...Relocation with SDCCI desperately need auto- relocation with SDCC. Something that will compile all of my code using start address 0 and generate relocation table so that…
... the quality of code generated by any of the z80 C ... compilers and that generated by hand. For that reason, for ... micro without a built in multiply or scaled addressing, especially since ... an array of arrays. Likewise, by-value copying of structs should ...Fantasy Z80 instructions?This follows on from something catmeows said in another thread, and that I've been meaning to ask for a while. This may sound daft to people with mo…
... and 6502 shocked the industry by appearing at a cost of ... do zero page addressing btw, by setting H=0 and L ... did this.
Integer multiply and divide were sorely lacking ...Trigonometric find angleHi guys, anyone knows a formula to calculate an angle between two coordinates, using basic?s function ATN , recent programming tools have ATAN2(dy,dx…
... to add and subtract vectors, multiply them by a scalar, dot product ... ), and normalisation (divide a vector by its length).
A ...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…
... paste. However, entering it in by hand has enabled me to ... standard Spectrum fonts (768 bytes, 96 characters, 8x8 pixels). This would ...The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…
... , subtract the integer part, and multiply up again to do modulo ... get longer rather than just by eating "ampersats"?
EDIT ...C.G.D - Classic Game Designer[b]UPDATE: August 07, 2013 AN UPDATED VERSION OF CGD IS NOW AVAILABLE, DETAILS HERE: [url]http://www.worldofspectrum.org/forums/showpost.php?p=7155…
... bugs in the font designer by the way, not sure why ... 8x8 characters and define all 96 of them it can output ...C.G.D - Classic Game Designer[b]UPDATE: August 07, 2013 AN UPDATED VERSION OF CGD IS NOW AVAILABLE, DETAILS HERE: [url]http://www.worldofspectrum.org/forums/showpost.php?p=7155…
... CGD has to be balanced by a separate attempt at a ... 8x8 characters and define all 96 of them it can output ... . But yep, any 768 byte, 96 char font can be loaded ...Books that you just can't quit.Much as parts of the presentation,writing style infurates me, there is a book I just keep comming back to again and again. Its like the Yang to the …
... /> 1159 REM remove all segments by moving one pointer along the ...
3008 REM worm moves by taking last segment and moving ...Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... br /> ; pause 48k timing alteration (by Metalbrain)
;=============================================================================
... $05, $c3
defb $96, $b0, $00, $ed
...Wow! This is really a staggering achievement (programming, but still interesting!)The subject of good/clever programming came up in the SE BASIC topic, and I thought I'd mention this, but then that thread went back on topic (er, no…
... make use of that too by interleaving operations (PS2 was like ... PS1, if you issued a multiply instruction, the result wasn't ...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…
[code]; --- THE PSG and LOUDSPEAKER ROUTINES ----------------------------------------
; THE 'SOUND' COMMAND
org 0x0374
sound_4:
rst next_char ; advance pointer
org 0x0375
sound:
call expt_2num ...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 a, 128 ; shift f by
sub l ; subtracting e ... :
ld a, e ; multiply mantissa by 10
call ca_equ_10_x_a_plus_c ; first ... ; byte
ld a, d ; by byte
call ca_equ_10_x_a_plus_c ; then ...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…
...
; THE 'PREPARE TO MULTIPLY OR DIVIDE' SUBROUTINE
org ... to increase
ccf ; exponent by 128
org 0x313d ...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…
... prep_m_or_d ; prepare number to divide by
jr c, report_6 ; ... pointer to number to divide by
push hl ; ... pointers
add hl, hl ; multiply
add hl, hl ; ... HL
add hl, hl ; by
add hl, hl ; 16 ...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…
... ; stack count
ld b, 96 + 128 ; 224 characters in 8 ... /> sub 16 ; divide last value by 65536
ld (hl), a ...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…
... HL
call get_hl_x_de ; multiply to get total
... decrease
dec bc ; by
dec bc ; three ... 0
fdiv ; divide by saved number
fadd ...
fmul ; multiply previous last value by ten
fadd ...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…
... subtract
defw x80_fmul ; multiply
defw x80_fdiv ; ... /> and %11000000 ; divide by 64
rlca ; ...
rlca ; multiply
rlca ; by
add a ... a, a ; multiply
add a, a ; by
add ...Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... involves a couple of optimisations by psndcj):
[CODE]ClearScreen: ld ...
CLSLoop: ld a, 96 ; fill 96*8=768 bytes per iteration ...Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... involves a couple of optimisations by psndcj):
[CODE]ClearScreen: ld ...
CLSLoop: ld a, 96 ; fill 96*8=768 bytes per iteration ... I missed an obvious trick by only having one push in ...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…
... /> org 0x22a7
defs 96, 255 ; unused locations (ROM 0 ... and %00001111 ; mask area used by new character
... and %00111111 ; mask area used by new character
... and %00001111 ; mask area used by new character
