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+2: 128k enhanced games no longer loading (but OK in 48k mode) :-/Having a spot of bother with my +2, a couple of my favourite games are now refusing to work in standard "Tape Loader" based 128k mode - Marauder (Hew…
... : OUT 32765,19 (for bank 3) or OUT 32765,23 (for bank ... br /> OUT 32765,17 (Bank 1)
OUT 32765,18 (Bank ... br /> OUT 32765,19 (Bank 3)
OUT 32765,20 (Bank ... as well just test banks 1, 3, 4, 6 and 7 ... your 48K stuff works, then 0, 2 and 5 are probably OK. -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... though. remember, this is 0.0.1 very-alpha.
... kbd
or 0xe0 ; set bits 5-7 of a< ... /> ;; d is not caps or symbol!
ld a, ...
;; not caps or symbol
ld hl,raw_keys ... /> .byte '1','2','3','4','5'
.byte '0','9','8','7 ... -
Hacking a Joystick InterfaceI have a DK'Tronics twin-port joystick interface that does Kempston and Sinclair 0-6 keys. I know it has only 14 lines connecting it to the edge con…
... /> 1- UP
2- DOWN
3- LEFT
4- RIGHT
5- FIRE 3 ... FIRE 1 / or amiga mouse left button
D5- joy FIRE 2 / or amiga ... - joy FIRE 3 / or amiga mouse middle button
D7- always 0
Assembly help: EQUCan anyone explain in duffers language the purpose of the EQU term in assembly? I found this info in another thread: EQU: Equate a name to a specif…
... equ 0 ; less than or equal
.ge equ 1 ; greater or equal
.ne equ 2 ; not equal
.gt equ 3 ... /> MACRO fst, n ; store (mem 0-5)
defb 0xc0 + n
MACRO fgt, n ; get (mem 0-5)
defb 0xe0 + n
SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... ]NOT PI = 0
SGN PI = 1
INT PI = 3
VAL ... $(o,n,1);Af,CODE n$(o,n,2): PAUSE 5[/b]
1 to 15), or defined by an ENVeleope ... from 0 to 31. The mixer determines whether tone or noise or both ...SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... /> 50 POKE USR "a"+3,255
60 POKE USR ... br /> 130 PALETTE 24+i, 2+32*i
140 PALETTE ... /> 210 PRINT #0;AT 0,0; PEN 0; PAPER 6; FLASH 1; BRIGHT 0;" "; PAPER 7 ... CHR$ 144
320 PAUSE 5
330 IF x21 THEN ...Microvitec 1431 MonitorI've been lucky enough to get my hands on a Microvitec 1431 monitor, the one with a dedicated Spetrum input. This works great on a 48k with the in…
... 1.2 Volts pk-pk
| 2 0 Volts DC
3-- 8 --1 3 ... Bright output TTL
-- | -- 4 Composite sync TTL
/ \ 5 ... /PERITEL or TTL) ...Musician needed!An old "classic" game had a tune in it which didn't sound too good. The beeps below should give you a clue as to which program I'm talking about... […
... of the tune as bars 0,1 and 2 all refer to the ... three bars (3, 4 and 5) all refer to section 1 (pasted previously ... at $B1A2 you should see 0,0,0,1,1,1 (reflecting the first 6 bars ... you want the whole tune or just that riff? [/QUOTE]Unfortunately ...AY Magic version for ZX81 was bornModified Ay magic ,my previous interface for zx48. On board, ay chip based on Zonx interface but with stereo output and rampack 16 or 32 kilo on boa…
... 1 ; 1.7734Mhz (128)
; ld a, 2 ; 1.75Mhz (TC2068)
; ld a, 3 ; 1 ... 0..4 - 3.xx..3.4x;
; 5.. - 3.5x..3.6x..vtii1.0)
cp 5 ... /> xor a
or (ix + 5)
jr z, ... hl, ayregs + ar_mixer
or (hl)
rrca
...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... here is 3-5. Z80 transforms it to 3 + (-5).
3 is 00000011 , -5 is ... bit position 2: 0 + 0 + 1 (carry) -> no carry from bit 2 to 3 (the ... not covered in books/manuals or are considered obvious. Worse still ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... position 3 + carry from previous bits (either 0 or 1) was greater than 1, we ... />
step 1: 1 - 0 : no problem here
step 2: 0 - 1 : we need to ... 1 borrowed from bit 5 will be used for subtractions at positions 1,2,3 ...Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... ) pointing either at fixed addresses or registers, with ASCII and hex ... the code is stepped or when PC or the watch window's ... /> m, m+2, m+4, 0, m+1, m+3, m+5, \r
m ... /> [*]Save movies in animated GIF or APNG format rather than separate ...Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... are electrically identical to 5 1/4" drives and there ... to connect a DSDD 3.5" drive with the proper ... see any pointers or links or hypertext markers pointing ... computer and loads Sector 0... just like a IBM ... a harddisc with only 1 or 2 heads(=sides) and only ...I might try building a barebones PC.Our Packard Bell iMedia 5077 is literally on its last legs. Every time it is switched on something doesn't work, usually it is the sound, sometimes i…
... , 1 x Card Reader, A TV card / Sound Card ect or a ... + 1 x DVD + 1 x CPU + 1 x Average Motherboard + 1 x TV Card + 3 ... 2500K
Seagate Barracuda 1TB 3.5" SATA 6GB 7200RPM HDD
2.0 DVD Writer.
I ...Examine Spectrum snapshot for graphics (web tool)I've knocked up a quick web-based tool for looking for graphics within a snapshot. (It's a bit like 'Spectrum Graphics Editor', which I used to use a…
... ; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET4 ... CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
- 'length' is empty or is not an object
or propertyRFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... /> STR_OFF EQU 0x5c10+((STR_NUM+3)*2) ; address of channel offset ... value is a 5 bits value (0-23), here ... now A = %rrr00000
or e ; now A = %rrrCCCCC
2) - 1
srl c ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... /> STR_OFF EQU 0x5c10+((STR_NUM+3)*2) ; address of channel offset ... ; decide based on odd or even column
cpl ... value is a 5 bits value (0-23), here represented ... + 7 * INT ((char-32)/2) - 1
ld h ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... br /> STR_OFF EQU 0x5c10+((STR_NUM+3)*2) ; address of channel offset ... ; decide based on odd or even column
cpl ... value is a 5 bits value (0-23), here represented ... + 7 * INT ((char-32)/2) - 1
ld h ...Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…
... checked if it uses 5V or 9V, or both. It surely takes ... has the "disable switch" (a 5 GBP add-on at the ... is actually loading something, or when the pilot tone is ... XN00h, where X can be 0,1,2 or 3, and N is even.
or 80h here. It's ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... br /> STR_OFF EQU 0x5c10+((STR_NUM+3)*2) ; address of channel offset ... ; decide based on odd or even column
cpl ... value is a 5 bits value (0-23), here represented ... + 7 * INT ((char-32)/2) - 1
ld h ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... br /> STR_OFF EQU 0x5c10+((STR_NUM+3)*2) ; address of channel offset ... )
; or 0x0f ; change column to destination minus 1
; ... value is a 5 bits value (0-23), here ... + 7 * INT ((char-32)/2) - 1
ld h ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... and somehow damaging the stack or corrupting the PC. I wrote ... buffer[0];
L2=buffer[1];
H2=buffer[2];
E2=buffer[3 ... ];
D2=buffer[4];
C2=buffer[5 ... IY=(buffer[16] 2) & 0x1; // bit 2 is the initial value ...Casstte 50 compilation emulator game questionHi - Hope this is the right place to put this question? Wasn't sure? But I have just downloaded the 'Cassette 50' compilation from wos but can't w…
... 2,0;"1 Muncher ": PRINT AT 2,14;"2 Ski Jump "
60 PRINT AT 3,0;"3 ... /> 100 PRINT AT 5,0;"7 Startrek ": PRINT AT 5,14;"8 Martian ... AT 16,00;" INPUT NUMBER OR B FOR SIDE B"
OR A FOR SIDE A"
Casstte 50 compilation emulator game questionHi - Hope this is the right place to put this question? Wasn't sure? But I have just downloaded the 'Cassette 50' compilation from wos but can't w…
... 2,0;"1 Muncher ": PRINT AT 2,14;"2 Ski Jump "
60 PRINT AT 3,0;"3 ... /> 100 PRINT AT 5,0;"7 Startrek ": PRINT AT 5,14;"8 Martian ... 16,00;" INPUT NUMBER OR B FOR SIDE B"
OR A FOR SIDE A"
OR a$="B" THEN...
...Kobrahsoft DB1 - doesn't work?Hi, I've tried loading [URL="http://www.worldofspectrum.org/infoseek.cgi?regexp=^DB1$&pub=^Kobrahsoft$&loadpics=3"]DB1 by Kobrahsoft[/URL] into two …
... =1]
[*]seek to cyl 0
[*]READ_TRACK using size=2 ... looks like this:[code]0.0 1 2 3 4 5 6 7 188[c203 ... it uses the data or result bytes, so it ... with the 10th being sector 1 from the next pass. ... CPC. Combined with missing or partial data in the EDSK ...The zxodus engineI've been playing around with this for a couple of days now. Its one of the best things I've seen for sinclair basic, and I've seen nothing about it …
... /> 0 black 0, 0, 0
1 blue 0, 0, 200
2 red 200, 0, 0
3 magenta 200, 0 ... , 200
4 green 0, 200, 0
5 cyan 0 ...Othello/Reversi Validate and Make MovesI'm working an Othello/Reversi game The board is represented as a 2d array 8*8 ie: 00000000 00000000 00000000 00012000 00021000 00000000 00000000 000…
... anywhere, legal or not
3. Implement game ... necessary
5. Start doing computer player - ... LET a(x,y)=0
37 NEXT ... 5)=2
42 LET a(5,3)=1
43 LET a(5,4)=1 ...
44 LET a(5,5)=1 ... (x,y)=2 THEN INK 5: CIRCLE ( ...
