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Willy Meets The BeatlesHere's the almost complete release of Willy Meets The Beatles, which you can download from [URL="http://www.sendspace.com/file/55ps31"]HERE![/URL] T…
... 00 c4 256 416 L85FC: ld a,(BC400)
85ff fe ... fe 71 747 ld de,TUNEPTR
887f 01 06 00 72 748 ld ... fe 70 880 ld de,TUNEPTR
8b48 01 06 00 71 881 ld ... -
BUG in zxspin and SpecEmu - read Loading speed in WAV fileI'm created a new save, but it can run at 44.1 KHz, to test it, i make a new file from WAV 44.1 KHz to 88.2 KHz. Load this file in a emulator zx-spin…
... /> DI
LD HL,$5800
LD B,$03
... br /> DJNZ repintar
LD HL,$4000
otra_onda ...
LD B,$01
paso_1 IN A,($FE)
... JP NZ,otra_onda
LD H,$40
JP ... br /> line2 DB $12,$2A,$00,$FF,$FF
Another BUG play tapes, in ALL EMULATORs when press STOP1 FOR n=1 TO 20 : PRINT IN 254 : NEXT n : PRINT AT 0,0 : GOTO 1 RUN Type this simple code, load a TZX, pres PLAY, when ear input change between 191 …
... A,#FF or XOR A,#00 work with inverter input, but ... this change, only change LD E,#80 to LD E,#C0. and ... )[CODE]LD A,+0F
OUT (+FE),A
IN A,(+FE)
LD A,+7F
IN A,(+FE)
RRA
JR Z,loop
LD A,C
CPL
Internal ROM expansionHas anybody designed a multiple-ROM interface that plugs into the internal ROM socket instead of plugging onto the edge connector? It would be useful…
...
jp $12fe ; 87c6 c3 fe 12 $0ats
jp $1d38 ... , ($00ed) ; 82cd 3a ed 00 $0dts
ld b, $01 ; 82d0 06 ... $04ts
cp $1e ; 82d7 fe 1e $07ts
jr z ... $04ts
cp $20 ; 82dc fe 20 $07ts
jr z ...Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
... :
[CODE] ld hl,22528 21 00 58
loop2 res ... 23
ld a,h 7C
cp 91 FE 5B
Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
...
330 REM LD HL,22528 21 00 58
340 DATA ... DATA 035
390 REM LD A,H 7C
400 ...
410 REM CP 91 FE 5B
420 DATA 254 ...Play command on divideHi, i thought I'd have a quick go on divide seeing as i had an afternoon spare.However,i can't seem to get the 'play' command on the screen?. It see…
... NOP
ADD A,#00
LD A,L
DEC ... ADD A,#00
NOP
NOP
LD A,#FE
... OUT (C),A
LD E,#06 ...Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... />
[CODE]04aa 112a3a ld de,$3a2a ; $3a2a contains Portuguese ...
04b8 dbfe in a,($fe)
04ba 17 rla ; ... it!
04bb 00 nop ; instruction NOP ($00) if Spanish or ...How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...
... />
16 00 LD D, 0. Reset D reg ... are all reset
01 FE FB LD BC, (FBFE) ? Q ... . Escape character :)
01 FE FD LD BC, (FDFE) ? A ... has been pressed
01 FE DF LD BC, (DFFE) ? Y ... has been pressed
01 FE 7F LD BC, (7FFE) ? B ...Spike: 48k onlyDoes anyone know what's going on with Spike? [URL=http://s1142.photobucket.com/user/daveyboyhughes/media/spike_zps232a1745.gif.html][IMG]http://i114…
...
5b01: out ($fe), a
5b03: ld hl, $efa0
5b06 ... : ld de, $efa0
5b09: ld bc, $8ca0
5b0c: ld ix, $5aff
5b10: ld a, (hl)
5b11: sub (ix+$00)
5b14 ...RND cyclical behaviourGood evening. I'm playing with RND function to show its cyclical behaviour, i.e. after 65536 calls to it, the next one will return the same value of …
... ;execute_B
defb $34,$00,$41,$00 ;stk_data 65536
defb ... ;FP_TO_BC = PLOT coordinates
ld hl,$afff
sbc hl ...
inc b
ld a,$fe
LOOP1: rrca
...Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
... />
Scr_add ld hl,#4000 210040
ld de,#401f 111F40 ... D9
ld h, hi_byte_tableaddr 26XX
ld l,a 6F ...
ld a,(hl) 7E ... like this:
00 80 40 C0 20 A0 ... 5E DE 3E BE 7E FE
01 81 41 ...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…
... $bd7a)
ld (iy+$06),$00
ld (iy+$07),$00
.l7feb ... br /> ld e,a
ld a,(de)
ld (hl),a ... br />
preserveboss
ld (bosspointer),iy ;preserve current boss ... , $b0, $01, $fe
defb $01, $11, $00, $02
defb ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... D7 ; RST 10
3E20 ; LD A,20 " "
D7 ; RST ... D7 ; RST 10
3E21 ; LD A,21 "!"
D7 ; RST ... CHANEL 'K'
STREAM FE LEADS TO CHANEL 'S'
STREAM 00 LEADS TO CHANEL 'K'
Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…
... /> ld de, $fffe ; 5b03 11 fe ff ... $0ats
ld bc, $9a6f ... $8200 ; 5b0e c3 00 82 $0ats
...
00080 UNPACK LD HL,TABLE
...Games not compatible with the 128+ & grey +2Like the +2A & +3 thread, there are a few games that do not work correctly on the original 128+ and the grey +2. Two games that I know of that wil…
... ts
defw $fe00 ; 88fb 00 fe ts
defb $fd ; ... 22 fe fd $10ts
ld a, $fe ; 8909 3e fe $07ts
ld i ... ts
defw $fe00 ; 5b9b 00 fe ts
defb $fd ; ... fe fd $10ts
ld bc, $0001 ; 5ba9 01 01 00 $0ats
ld ...Fixed point math lib?Is there a liberally licensed fixed point math lib for z80 somewhere? When searching, I expected to find a bunch of GPL'd ones and perhaps one or two…
... mult_e_c_fast
xor a
ld d,a
bit 7 ... br /> mect2
ld l,a
ld h,>squares_lo ... 01
squares_hi
db $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$01,$01,$01,$01,$01 ... ,$f6,$f8,$fa,$fc,$feRussian-speaking topic - Multiface 3Hi friends! The Administration will not mind if I create a topic in which you can communicate in Russian? No politics. No racism. Speccy only! :-) …
... machine code bytes for LD A,:OUT ($FE),a: JP into RAM ... ]
Poking the value $00 to RAM location $2003; will ...Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... : coords:
EA60: 1664 ld d,100 ;60000 16 64 ... seekleft:
EA73: 7A ld a,d ;60019 7A
00
EA7A: CD9CEA call ... EAB9: FEC0 cp 192 ;60089 FE C0
EABB: D0 ...Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... />
[code]EA60: coords:
ld de,(60000) ;60000 ED 5B ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... /> DEFB #00,#00 ;NOP: NOP
;W
DEFB #00,#77 ;NOP: LD (HL ... ),A
DEFB #36,#55 ;LD (HL ...
DEFB #00,#7E ;NOP: LD A,(HL)
DEFB #00,#BE ;NOP ... : DEC (HL)
DEFB #CB,#FE ;SET 7,(HL)
DEFB ...
