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About how z88dk generates code and makes room for variables.When you attempt to code games for the 128K models using z88dk in C you need to somewhat control where variables are stored in memory. I thought tha…
... ):
[code]
ld a,init_c
ld (_char_c),init_c ... . Have you ever seen an m/c subroutine called from basic that ... should consider adding it via a #pragma or other method. [/ ... not). Rather than "int a;" use "int a = 0;".
But ... -
mirroring bitsIf I have a string of 1408 bytes, each of which has one bit 'b' set, what's the shortest way of mirroring that string, so that each bit set at positi…
... a, (hl)
add a, a
jp c, is80
jp m, ... jp next
is40 ld a, $02 ; $40->$02 ... , xxxx
is20 ld a, $04 ; $20->$ ... /> write ld (hl), a
next inc hl< ... -
BASIC games.I remember back in the day, there was a way you could read through the BASIC of certain games, such as Football Manager or Johnny Reb. I can't rememb…
There was also a game called [URL="http://www. ... =0002075"]Gods[/URL] that had a fairly large chunk of BASIC ... 25.7 kB) and a block of M/C as well (ca. 10 ... representations are intact. - That was a fairly common form of program ... -
hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... for now, so I'm still working on my own ... 4 DEF FN b(a,b,c,d,g,v)=g:
301 LET zh=a: LET key=b
... RETURN
999 REM a = val1 = 1st number
... b = val2 = 2nd number
c = opcode = 0(OR), 1(AND ... -
Turbo save?I'm doing some experiments with turbo loaders, and I don't know how to save turbo blocks on virtual tapes. Spectaculator and fuse don't seem to save…
... via [b]DEF FN A(A,B,C)=USR 65170[/b]. When ... using FN, A is 0 to ... using with c/m):
- 65192 --> a=0 to save, a=1 ... ; SAVE (ix=start, de=lenght, a=flag?)
- 65333 --> ... any" key).
I'm pretty sure that the routine ... -
Help a small machine code game.Hello all you clever wossers are there any GOOD?? games that are in machine code (no basic apart from the loader,rnd usr bit) but are very small ma…
... Invaders, and so on. A few small m/c type-ins from the ... in the PROG column and C in the LANG column.
Rocketman Mike is a good little m/c type-in, but it ... are some quite imaginative little m/c games for that computer, although ... -
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…
... a game manually but it doesn't yet run. I'm ... a,2
sra c
jr c,n1
inc a
inc c ... jr m1
x6 add a,c
n2 ld bc,$4ff ... n5 rr c
ret c
rl b
add a,a
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... the input file when doing a destructive compression, which only left ... it by adding an extra m/c routine to set RAMTOP down ... to save the compressed file. A bit of a palaver.Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... input file when doing a destructive compression, which ... by adding an extra m/c routine to set RAMTOP ... the compressed file. A bit of a palaver.[/QUOTE]
... created a memory snapshot with a black screen and a short ... the snapshot and create a tape image. The ...Help a small machine code game.Hello all you clever wossers are there any GOOD?? games that are in machine code (no basic apart from the loader,rnd usr bit) but are very small ma…
... Invaders, and so on. A few small m/c type-ins from the ...Ghosts n' Goblins loaderI'm trying to put Ghosts n' Goblins onto a +3 disk but struggling to understand the mc loader. Basic loader [code] ink 7 : clear 25000 : load "" cod…
... ,32765
OUT (C), A
LD A,(23399)
AND 240 ... ,8189
OUT (C),A
LD C,RLC (IY-26)
OUT (C),A
EI
JP 65280 ... [/code]
I'm packing the main game code ... avail.
I'm not certain what I ...that "listing variables during runtime" thingWell, I did eventually finish this, but with my meds playing up I don't have much time each day that I can spend at the computer, so it's taken rathe…
... feature from DumpVars which assigns a separate variables area for ... 9990, assemble the two small m/c routines at the printed addresses ... br /> FOR a=1 TO 7: READ v$(a): NEXT a:
... br /> FOR a=2 TO 7: PRINT a;" = ";v$(a): NEXT a:
...From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... input of:
[code]A B C D E F G H ... I J K L M N ... PP[/code]
Hmmm. Methinks a tad tricky to do quickly ...From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... of:
[code]A B C D E F G H ... I J K L M ... ]
Hmmm. Methinks a tad tricky to do quickly ... in BASIC. I'm pondering ...[/QUOTE]
... 990
970 LET a$(pos TO pos+1)= ... CODE]
I'm actually thinking about writing this ...Learning a programming language from scratchSome advice please... At work I use an Excel/Calc spreadsheet of my own making to get address information from various csv/txt files I download ever…
... , U, W
pos_3_valids = ['A', 'B', 'C', 'D', 'E', 'F', 'G ... last letters
invalid_second_third_last_letters = ['C', 'I', 'K', 'M', 'O', 'V']
... )):
# if valid_format contains a 'A' at this position, check that ...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.…
... manual
2. Create a directory c:\tmp on your server machine ... manual
2. Create a directory c:\tmp on your server machine ...
2. Create a directory c:\tmp on your server machine ... the command
FORMAT ?m?;0
My system ...Loading data from 128 memoryAfter all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory. How do I go about implementing this in…
Toni Baker wrote a series of articles in the ... it can be called from m/c.
Personally, as AG ... will be able to load a block from tape into the ... access the uncontended banks from a known location. This might be ...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.…
... br />
I created a directory C:\Server Applet and copied the ... the directory. I also created a C:\wos directory
... :
Target is : "C:\Server Applet\ZXS32.exe" 1 ... Launcher settings.
FORMAT ?m?;0
Regards
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…
... came up with a BASIC utility that had a short m.c. routine to ...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…
... QUOTE=Timmy;760504]I'm sorry but I don' ... /> dec l
ld a, c
[B] or (hl ... br /> dec l
ld a, c
[B] xor (hl ...
In particular, if A.A. or Gedlion decide that z88dk ...TXT2EMU enhancementI was looking at the encodings supported by BAS2TAP for entering graphics, print controls, etc. as plain text. Basically, there's only one needed, be…
... way of corrections, relating to a couple of bugs in 128 ... hl,$5000 ;128k - put temporary m/c stack low
To ... handle resuming the load after a syntax error add [color=red ... 477:
; If returning from a syntax error in 128 mode ...128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... the Z70700 issue 1 is a later version of the +2 ... worries :)
If that m/c routine shows issues with the ...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.…
... manual
2. Create a directory c:\tmp on your server machine ... manual
2. Create a directory c:\tmp on your server machine ...
2. Create a directory c:\tmp on your server machine ... the command
FORMAT ?m?;0
My system ...New bicolour game: El Stompo.Phew! Finally finished my first game using Einar's fantastic Nirvana engine. [B]El Stompo.[/B] [IMG]http://i1142.photobucket.com/albums/n608/davey…
... ) in your hart there is a NS-C(N)GD (Not so ... I have some time I'm going to give Leonardo the ...Beeper and Sprites at the Same Time?[URL="https://drive.google.com/file/d/0B6XhJJ33xpOWX1pQLS14RnppNFE/edit?usp=sharing"]Why not?[/URL] "q" for quit "m" to change sprite mode any other…
... is under interupt.. I'm assuming you can do that ... would involve running, say, a thousand rows and dividing by ... with the engine while a row is playing without ... 5.24 cycles of a middle-C note (262.6 Hz ... moving (fixed by pressing 'm' so that only one sprites ...Ghostbusters - New Loader?[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002025"]Ghostbuster's[/URL] original loading screen was just a bunch of (c) credits and a mas…
... your compression algorithm works I'm not sure if this will ... make a positive difference.
Could ... Speccy machine code so I'm purely guessing here, but I ... command can be utilised from M/C?ccZ80++Here is the url for a new compiler pour all computers with Z80: [url]http://ccz80pp.webcindario.com[/url] It's a beta version, but it's works. If y…
... />
Originally, that's how C++ compilers worked -- with judicious name ... mangling. It's a normal C way to create namespaces and ... output C code and then was compiled from that. I'm sure ... not appear in the C family with C++ -- the best programmers ...Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... angled triangles. At A-Level there was ... approach actually comes from A-level Stats. In ... a best fit line through data defined by y=mx+c (m is a ... gradient, c is a constant offset). If you say m ... =0, then you force a ...Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... angled triangles. At A-Level there was ... approach actually comes from A-level Stats. In ... a best fit line through data defined by y=mx+c (m is a ... gradient, c is a constant offset). If you say m ... =0, then you force a ...Currah ?Speech channelIt seems to me that it would be nice to be able to send words to the ?Speech with PRINT #5;"Speak English to me, Jimmy" or some such. There really i…
... in z88dk that can send a string to the microspeech directly ... The currah_direct() function just sends a C string of allophones to the ... spectrum/currah_direct.asm?view=markup"]m/c code[/URL] from the uspeech ... ,65361
or a
sbc hl,de
