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Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…
... an alternative to calling within an interrupt service routine.
Also ... -
Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…
... it with the play routine. The option of ... chose during 'Merge play routine', and that address plus ...
When you stop calling the 'play address', the music ... happening. Using an interrupt routine is a common way ... to use an interrupt routine - if you have a ... -
Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…
... it with the play routine. The option of saving ... chose during 'Merge play routine', and that address plus ...
When you stop calling the 'play address', the music ... happening. Using an interrupt routine is a common way ... . If not, the routine will have no effect ... -
RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
Save another byte in the routine if you make use of ... /> C Register holds the attrs test byte $58
1100C0 ... -
What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... 's great. I'll experiment calling the ROM entry points. Thanks ... ; ROM load
di ; loading routine re-enables interrupts
ret ... -
New game: Krunel[IMG]http://www.speccy.pl/images/news/krunel_00.png[/IMG] Game name: Krunel Type: logical Author/group: [url]speccy.pl[/url] Platform: ZX Spectrum …
I test this game on SAM COUPE ... /> Game use bad kempston joy routine. If I replace IN A ... -
filled shape creating codeDevelopment is continuing well on a resurrected project of mine from about 20 years ago. Speed and size optimizations are going well along with displ…
... ://dl.dropboxusercontent.com/u/28052510/test%2003.zip"]https://dl.dropboxusercontent ... .com/u/28052510/test%2003.zip[/URL]
routine to put it straight on ... -
filled shape creating codeDevelopment is continuing well on a resurrected project of mine from about 20 years ago. Speed and size optimizations are going well along with displ…
... ://dl.dropboxusercontent.com/u/28052510/test%2003.zip"]https://dl.dropboxusercontent ... .com/u/28052510/test%2003.zip[/URL]
routine to put it straight on ... -
filled shape creating codeDevelopment is continuing well on a resurrected project of mine from about 20 years ago. Speed and size optimizations are going well along with displ…
... ://dl.dropboxusercontent.com/u/28052510/test%2003.zip[/URL]
routine to put it straight on ... -
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 'MASKABLE INTERRUPT' ROUTINE
org 0x0038
;mask_int ... /> skip_over:
cp ' ' ; test for space or higher
cp ctrl_enter ; test for enter
ret ... br /> cp ctrl_pen ; test for embedded control codes
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…
...
call sound_2 ; call routine to write it
ret ; end of sound command routine
org 0x03a0< ...
ld a, e ; test for
or d ; final ... />
; THE 'BEEP' COMMAND ROUTINE
org 0x03f8
beep ...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 hl, sa_ld_ret ; return routine to HL
push hl ... ld_start:
call ld_edge_1 ; test for edge
jr nc ... constant
call ld_edge_2 ; test for second edge
jr ... BREAK
xor c ; test against
and %00100000 ; ...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, c ; test for
or b ; null ... get parameter
and a ; test for SAVE
jp z ... />
; THE 'LOAD' CONTROL ROUTINE
org 0x0808
ld_contrl ... to BC
call test_room ; test for room
org ...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…
... number
and %11000000 ; test it
jr nz, me_var_lp ... br /> ld c, a ; test it
cp end_marker ; ... name
cp end_marker ; test for end marker
jr ... />
; THE 'SAVE' CONTROL ROUTINE
org 0x0970
sa_contrl ...Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... need to isolate any particular routine from that?
Basically ... programme (even in BASIC) and test the upper 32k in conjunction ... 255 or IN 127, to test the page switching. Alternatively, just ...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…
... , apart from moving the fireball routine specifically into round 11.
test - the only other nice to ... if I use call cleartable routine, my hero IS DISAPPEAR after ... I just updated Bandit's routine to check what the current ...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 SCANNING VARIABLE ROUTINE
org 0x26c9
s_letter:< ... ) ; get flags
cp %11000000 ; test bit 6 and 7
cp b ; test last against present
jr ...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…
... sfa_match:
bit 5, c ; test for numeric variable
jr ... byte
and a ; test error register
jp m ...
sbc hl, bc ; test against limit
... />
; THE 'LET' COMMAND ROUTINE
org 0x2aff
let ...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 'DIM' COMMAND ROUTINE
org 0x2c02
dim ... , report_6 ; 127
inc b ; test sign
jr z, e_fp_jump ...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…
... ; address
push de ; stack routine address
exx ; main register ... /> org 0x3436
call test_5_sp ; test for space
ldir ; copy ... br /> stk_const:
call test_5_sp ; test for space
exx ; alternate ...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…
... be quite large),
this routine permits the directory to be ... directory is required, this
routine is re-called with the ... small for the directory, this routine can be
called ... chapter8pt26.html[/url] )
[CODE]Calling +3DOS from BASIC
SoftPLAY: Use the PLAY command from 48 BASICNow you don't need 128 BASIC to use the [B]PLAY[/B] command. Just use [B]PRINT #8;[/B] instead. [url]https://dl.dropboxusercontent.com/u/15659782/So…
... the parameters to the PLAY routine the expression evaluation is converting ... />
[quote]I need to test this with MIDI commands: should ...SoftPLAY: Use the PLAY command from 48 BASICNow you don't need 128 BASIC to use the [B]PLAY[/B] command. Just use [B]PRINT #8;[/B] instead. [url]https://dl.dropboxusercontent.com/u/15659782/So…
... of the command parameters before calling the PLAY code.[/QUOTE]
routine for an in game tune ...SoftPLAY: Use the PLAY command from 48 BASICNow you don't need 128 BASIC to use the [B]PLAY[/B] command. Just use [B]PRINT #8;[/B] instead. [url]https://dl.dropboxusercontent.com/u/15659782/So…
[QUOTE=aowen;731789]Yes, but you need to set the ch-add system variable to point to the start of the command parameters before calling the PLAY code.[/QUOTE]
Which in the current routine is at &F740 (63296d).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 'TOKENIZER' ROUTINE
org 0x1a55
tokenizer ... call c, ext_command ; test for extended commands (ASCII 0 ... flags
xor d ; test for
and %01000000 ; ... br /> ld a, c ; test
or %10011111 ; ...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…
... br /> ; -----------------------------------------------------------------------------
; THE 'TEST TRACE' SUBROUTINE (CONTINUED)
org ... br />
; THE 'RETURN' COMMAND ROUTINE
org 0x1f23
return ...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…
... br /> ; -----------------------------------------------------------------------------
; THE 'TEST TRACE' SUBROUTINE (CONTINUED)
org ... br />
; THE 'PRINT' COMMAND ROUTINE
org 0x1fcd
print ...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…
... :
sbc a, a ; test for COLOR
ld a ... />
; THE 'BORDER' COMMAND ROUTINE
org 0x2294
border ... ifdef ROM0
; THE 'DISPLAY ROUTINE' TABLE
org 0x2320
; THE 'CIRCLE' COMMAND ROUTINE
org 0x2320
...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 'DRAW' COMMAND ROUTINE
org 0x2382
draw:< ...
.endif
; THE 'TEST TRACE' SUBROUTINE
org 0x24db ...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 'TEST 16K' ROUTINE
org 0x11c6
...
; THE 'INITIALIZATION' ROUTINE
org 0x11cf
start_new ... /> ld (nmiadd), hl ; nmi routine
dec (iy - _kstate_4) ... add hl, de ; address of routine
jp (hl) ; ...
