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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…
... v - 1
fgt 0 ; abs v - 1, (1/0)
fjpt c_ent ; abs v ... (-1/x) case 2 and 3
fadd ; atn x
0
fxch ; 0, y
fcp .gz ; 0, (1/0)
fjpt last ; 0 ... -
IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
... bc,$0305 ;B =file ID 3, C =access mode 5 ...
ld b,3 ;B =file ID 3
call $0109 ... 4,a ;select BASIC ROM
and %11111000 ;select RAMpage 0
ld ... Open Action codes are 0,1,2,3,4 and Create Action ... -
SamDisk and +3 disksFew days ago I tried to write some +3 dsk files on 3.5 inch floppy with SamDisk on old Toshiba laptop (P3 800 mhz) and his integrated fdd, but he cou…
... SAMdisk 3.7 and fdrawcmd.sys 1.0.1.11, freshly downloaded from ... ...
Cyl 0, Head 0:
Writing Cyl 0 Head 0
Cyl 0, Head 0:
Writing Cyl 0 Head 0
3.5" and connected the 180K 3" drive taken from a +3:[code ... -
1984-2014here I will account for my journey through games released thirty years ago, just like last year for 1983 games, and you can do the same.
... WoS is justified [4.27 from 15 votes]. It costed money ... . [average vote on WoS: 4.0 from 9 votes]
[B ... .cgi?screen=screens/in-game/v/VegetableCrash.gif[/IMG]
by ... the space vegetables: they move from an entire block of pixel ... -
ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... =$+1
ld a,0 ;initial offset value, incremented ... 0):
Line 0: 0, 1, 2, 3 ... 31
Line 1: 0 ... , 1, 2, 3 ... . E.g., going from 31 to 32. Generally ... one - 3). E.g. going from 127 to 0. Basically... same ... -
ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... some way from the default order of 0,1,2,3... and so ... and we're at line 0. In that case - at least ... to adjust the initial delay (from the beginning of an interrupt ... -
external drive +3I recently bought an external drive kit for my +3 [url]http://www.ebay.co.uk/itm/111267120287?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649[/ur…
ok, gotcha. Like the shorting drive select outputs though I would consider it bad practice. If you want to have a manual override it ought to disconnect the drive from the +3 at the same time. Easily done with a toggle switch. -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... /Dragonia(fixed_usr0).zip"]automatic USR 0 mode version[/URL] by Velesoft ... /> [*]Rally Bug: Graphics corruption reported from level 3 on.
[/LIST]
from [URL="http://velesoft.speccy.cz ... -
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.…
... when both were in usr 0 (not 128k or 48k mode ... to bring the cable home from work) and again I can ... you using 48K or USR 0 mode? 128K mode will give ... entering usr 0 from 128 basic. Same results for all 3 I'm ... -
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.…
... /> If you start reading from section 3.4 you will get the ... Literal Description Extension
-----------------------------------------------
0 P BASIC program ZZP
0 File type (0-3)
1-2 File ... -
quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... BORDER 0: PAPER 0: INK 7: FLASH 0: BRIGHT 0: CLEAR 59999
3 DEF ... FN l(v)=v-256*FN h(v): DEF FN h(v)=INT (v/256 ... VAL VAL$ (CHR$ PEEK (a-3)+"$"):POKE a+1,FN l ... a$=b$: POKE da+1,0: RETURN
15 REM ... 't interprete "FN p(a+3)"...
How fix this ... -
quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
Testing with +D and with all the 'd*' lines enabled, this extra line marked in [color=red]red[/color] is needed at line 477 in the assembler listing:
[code]NOTASP: ld a,c
pop hl ;1 -
Opening my new game projectHi I am working to a new game (tentatively called "Donkey Kong Reloaded Done Better"...i was not happy with the graphics of Donkey Kong Reloaded) whi…
... lines are in code 0,
if collision 3
...
if ... key 4
if parama=0 (albert ... is looking right)
subtract 20 from x (lift ... )
subtract 20 from x
subtract 16 from y
endif ... -
30-column 8x2 multicolor (even in 48K)I don't recall any 8x2 multicolor routine for 30 columns that would work on all Spectrum models (including the Spectrum 48K), so I decided to write i…
... hl
;-5
(0-1,2-3 shown) ld (..),hl ;+8 ... (..),hl ;+40,48 (put 2,3)
(16-17,18-19 ... /> Numbers are T-states starting from +0 (the last uncontended write before ... 7,6,5,4,3,2,1,0 but the code will ... work for 6,5,4,3,2,1,0,0 too. -
Creating actual floppy disks using .dsk files on the SpectrumHello ZX friends I have a +3 and diskette related question. I have a +3 with an external 3.5" floppy disk drive and a divIDE+. Is there a way I can …
... like I have version 5.0 on +3 disk. I should upgrade ... used to use for writing 3.5" +3 disks on my old ... them to my +3 and usually made 3" copies from the 3.5" disks ... routines so that they load from .TAP files instead of the ... -
Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…
... />
Here's some extracts from a program which I've ... /> [code]
35 LET j1= 0: LET j2=-1: LET s ... LET j1= 1: LET j2= 0: LET s=4: RETURN
0: LET s=3: RETURN
38 LET ... LET p$(2)=" ": LET p$(3)=p$(2):
REM reset ... -
Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…
... ;774142]Here's some extracts from a program which I've ... /> [code]
35 LET j1= 0: LET j2=-1: LET s ... LET j1= 1: LET j2= 0: LET s=4: RETURN
0: LET s=3: RETURN
38 LET ... : LET p$(2)=" ": LET p$(3)=p$(2):
REM reset ... -
Official Basinc thread - Bug reports and other discussionI just released a new BASin fork, basinc. The first official release was V16r2, and today it's r3. it's uploaded to wos archive and alternatively, h…
... figure the other colors out from that.[/QUOTE]
Hi ... /> 0 Black 000 000 00 (0,0,0) 000 Y 000 000 00 (0,0,0) 000 ... Y
1 Blue 000 000 01 (0,0,1 ... ) 001 Y 000 000 11 (0,0,3) 003 Y ... -
FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…
... it with 0* and whenever you receive zero from named ... value of byte is 0 or 2,3 or ? if ...
;; get byte ptr from stack
ld hl,#0x0000 ... RS232_DTA),a ; retransmit stop bit 3 times for FUSE
... ;; get start bit, try 3 times before giving up
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... /Dragonia(fixed_usr0).zip"]automatic USR 0 mode version[/URL] by Velesoft ... /> [*]Rally Bug: Graphics corruption reported from level 3 on.
[/LIST]
from [URL="http://velesoft.speccy.cz ...Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... the pleasingly compact BASIC routine from post#7. I say "one ... ; 0 0 0 0 1 0 0 0
rrca ;A6A5A4A3A2A1A0A7 A6
rr h ;A6 0 0 0 0 1 0 0 0 ... .....|
; 0 1 0 7 6 2 1 0 5 4 3 7 6 ...Less MIA - Judge Dredd (1990)(Virgin Games)[+3 disk]Hi All, I don't see this is WOS archive ... so .. box top [IMG]http://forest.no-ip.org/wos/jd/box_top.jpg[/IMG] [IMG]http://forest.no-ip.org/wos/jd…
nice work goodboy,
thats why the loader preserves 65534 dbyte
for each level it actually loads at 27136 75 disk sectors (of 512 bytes) but because the loader is at 32768 length 7 sectors it loads that section at 23360 then ldir's ...Alien FeroxAfter several stop-start ideas that haven't come to anything, i've kicked myself up the arse and decided to actually do something with AGD 4.5. Thes…
... CPC version which was converted from AGD 3.0. The problem displaying screens ...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].…
... copy the files from the Land of Mire ... " CODE 27200,2502
"0 " CODE 30392,28865
" ... CODE 62350,1396
"3 " CODE 63746,1022[/CODE]
3: BEEP .1,4: BEEP .1,5: : BORDER 0: PAPER 0: INK 0 ... ;"PLEASE WAIT": PRINT AT 0,0: LOAD ""CODE : [ ...Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?
... -> 31).
[*]As distinct from the BASIC version, the HALT ... br /> ; 1 LET z=0: LET n=0
call RESET
and %00011111 ;A =0 to 31
cp %00010000 ...
; 6 LET n=0: GO TO 3
ld a,$FF ...Commentaries on ZEUSDAZ retro game channelHi everyone, I thought i'd better drop this thread as I keep seeing comments between many of you saying that I should do commentaries on my retro gam…
... 32 + n*8 (n = 0, 1, 2, 3, ...) like that guy does ... ="https://www.youtube.com/watch?v=Omf0MXtJHRY"]Banyan Tree[/URL] episode ...Commentaries on ZEUSDAZ retro game channelHi everyone, I thought i'd better drop this thread as I keep seeing comments between many of you saying that I should do commentaries on my retro gam…
... 32 + n*8 (n = 0, 1, 2, 3, ...) like that guy does ... ="https://www.youtube.com/watch?v=Omf0MXtJHRY"]Banyan Tree[/URL] episode ...EmuZWin - color problem...I am trying to use EmuZWin - very curious about its integral assembler/compiler. However, something is wrong with the color and I cannot see buttons…
... up a menu,
select properties from the menu, this will bring ... for"
and select Windows XP service pack 3
Then ...spectrum +2A loading problemHi new here ! I have recently purchased a 2A thinking it would be more reliable than my old rubber key machine and external tape drive. Problem i…
... after typing "RUN USR 0" in 128k (+3) basic this may allow ... 128k games to load/run from a ...
