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6 Commits

Author SHA1 Message Date
Peter Ferrie b869a0ccbc
Merge d4d3c59b8c into 4946dbd1e9 2024-04-09 23:28:52 -05:00
Brendan Robert 4946dbd1e9 Fix incomplete music decoding bug 2024-04-09 23:28:47 -05:00
Peter Ferrie d4d3c59b8c defer case check to be faster 2023-09-03 15:08:16 -07:00
Peter Ferrie c540527370 another fix 2023-09-03 14:42:51 -07:00
Peter Ferrie 3f359cf3ff fix a couple of bugs, compare a bit faster 2023-09-03 14:41:10 -07:00
Peter Ferrie b258ed441a decompress faster 2023-09-02 11:30:15 -07:00
5 changed files with 57 additions and 51 deletions

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@ -113,6 +113,7 @@
<version>1.0.0.Final</version>
<executions>
<execution>
<?m2e execute onConfiguration,onIncremental?>
<id>add-module-infos</id>
<phase>generate-resources</phase>
<goals>

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@ -189,7 +189,6 @@ public class SoundMixer extends Device {
buffers.add(buffer);
return buffer;
}
public static class SoundBuffer {
public static int MAX_BUFFER_ID;
private ShortBuffer currentBuffer;

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@ -47,14 +47,25 @@ public class Media {
totalDuration = STBVorbis.stb_vorbis_stream_length_in_seconds(decoder);
sampleRate = info.sample_rate();
isStereo = info.channels() == 2;
if (isStereo) {
totalSamples *= 2;
}
tempSampleBuffer = MemoryUtil.memAllocShort(totalSamples);
STBVorbis.stb_vorbis_get_samples_short_interleaved(decoder, isStereo?2:1, tempSampleBuffer);
tempSampleBuffer = MemoryUtil.memAllocShort(2048);
sampleBuffer = ShortBuffer.allocate(totalSamples);
int sampleCount = 1;
int currentOffset = 0;
while (sampleCount > 0) {
sampleCount = STBVorbis.stb_vorbis_get_samples_short_interleaved(decoder, isStereo?2:1, tempSampleBuffer);
if (sampleCount == 0) {
break;
}
// copy sample buffer into byte buffer so we can deallocate, then transfer the buffer contents
sampleBuffer.put(currentOffset, tempSampleBuffer, 0, sampleCount * (isStereo ? 2 : 1));
tempSampleBuffer.rewind();
currentOffset += sampleCount * (isStereo ? 2 : 1);
}
STBVorbis.stb_vorbis_close(decoder);
tempSampleBuffer.rewind();
// copy sample buffer into byte buffer so we can deallocate, then transfer the buffer contents
sampleBuffer = ShortBuffer.allocate(totalSamples*2);
sampleBuffer.put(tempSampleBuffer);
sampleBuffer.rewind();
} catch (RuntimeException ex) {
throw ex;

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@ -33,8 +33,9 @@ DEBUG = 0
decomp !zone {
jsr .chkdst
ldy #0 ; In lit loop Y must be zero
sec
.fill1A jsr .getbt2
jmp .fill1B
bne .fill1B ; always taken
.incdst inc pDst+1
.chkdst ldx pDst+1
@ -174,19 +175,19 @@ decomp !zone {
bne .gshift ; always taken
; Get another 8 bits into our bit buffer. Destroys X. Preserves A. Requires Y=0.
; Carry is always set on entry, Z always clear on exit
; Alternately, use .getbt2 to preserve X and destroy A
.getbts tax
.getbt2 lda (pSrc),y
inc pSrc
beq .src3A
.src3B sec
rol
sta bits
txa
inc pSrc
beq .src3A
rts
.src3A inc pSrc+1
bne .src3B ; always taken
rts
} ; end of zone

View File

@ -364,7 +364,7 @@ export asm memcpy(pSrc, pDst, len, auxWr)#0
inc pTmp+1
bne .pglup ; always taken
.part:
cpx #0
txa
beq .done
- lda (tmp),y
sta (pTmp),y
@ -390,8 +390,8 @@ export asm memset(pDst, val, len)#0
lda evalStkL,x ; len lo
pha
lda evalStkH,x ; len hi
tax
beq +
tax
lda tmp
- sta (pTmp),y
iny
@ -420,10 +420,10 @@ export asm readAuxByte(ptr)#1
sta $10-1,y
dey
bne -
jmp $10
.rdauxb
sei ; prevent interrupts while in aux mem
sta setAuxRd
jmp $10
.rdauxb
lda (pTmp),y
sta clrAuxRd
cli
@ -462,19 +462,19 @@ end
export asm finishString(isPlural)#1
!zone {
+asmPlasmRet 1
ldy prevCSWL+ABS_OFFSET ; put the cout vector back to default
sty cswl
ldy prevCSWL+1+ABS_OFFSET ; put the cout vector back to default
sty cswh
ldy #0 ; dest offset in Y (will be incremented before store)
cpy inbuf
beq .done1 ; failsafe: handle zero-length string
tax ; test for isPlural == 0
beq +
lda #$40 ; for setting V later
+ sta tmp ; save isPlural flag
lda prevCSWL+ABS_OFFSET ; put the cout vector back to default
sta cswl
lda prevCSWL+1+ABS_OFFSET ; put the cout vector back to default
sta cswh
clv ; V flag for prev-is-alpha
ldy #0 ; dest offset in Y (will be incremented before store)
ldx #0 ; source offset in X (will be incremented before load)
cpx inbuf
beq .done ; failsafe: handle zero-length string
.fetch
inx
lda inbuf,x ; get next input char
@ -488,11 +488,11 @@ export asm finishString(isPlural)#1
dey ; undo copy of the paren
stx tmp+1 ; save position in input
dex ; needed for failsafe operation
bit tmp ; set copy flag (V) initially to same as isPlural flag
.findsl ; see if there's a slash within the parens
inx
cpx inbuf
bcs .done ; failsafe: handle missing end-paren
lda inbuf,x
ora #$80 ; normalize hi-bit for comparisons below
cmp #"/"
@ -503,11 +503,8 @@ export asm finishString(isPlural)#1
pha
plp
+ cmp #")" ; scan until ending paren
beq +
cpx inbuf
bcc .findsl ; loop to scan next char
bcs .done ; failsafe: handle missing end-paren (always taken)
+ ldx tmp+1 ; get back to start of parens
bne .findsl ; loop to scan next char
ldx tmp+1 ; get back to start of parens
; copy mode flag is now in V: if slash present, single=copy, plural=nocopy
; if no slash: single=nocopy, plural=copy
.plup
@ -541,6 +538,7 @@ export asm finishString(isPlural)#1
.done
sty inbuf ; save new length
.done1
lda #<inbuf ; return pointer to string
ldy #>inbuf
rts
@ -575,8 +573,8 @@ export asm blit(isAux, srcData, dstScreenPtr, nLines, lineSize)#0
lsr ; to carry bit
bcc +
ldy #15 ; put aux copy routine in zero page
- lda .cpaux + ABS_OFFSET,y
sta $10,y
- ldx .cpaux + ABS_OFFSET,y
stx $10,y
dey
bpl -
+ pla ; get line count
@ -694,8 +692,9 @@ export asm puts(str)#0
sta pTmp
lda #'!'
ldx #1
sty pTmp+1
tya
beq + ; safety: print '!' instead of null string
sty pTmp+1
ldy #0
lda (pTmp),y
tax
@ -913,9 +912,8 @@ export asm rawDisplayStr(pStr)#0
lda (pTmp),y
sta tmp
- cpy tmp
bcc +
rts
+ iny
bcs ++
iny
lda (pTmp),y
ora #$80
cmp #"^"
@ -929,7 +927,8 @@ export asm rawDisplayStr(pStr)#0
+ sty tmp+1
jsr DisplayChar
ldy tmp+1
bne -
bne - ; always taken
++rts
end
///////////////////////////////////////////////////////////////////////////////////////////////////
@ -991,8 +990,8 @@ export asm streqi(a, b)#1
lda evalStkL+1,x
sta pTmp
lda evalStkH+1,x
sta pTmp+1
beq .null
sta pTmp+1
ldy #0
lda (tmp),y
cmp (pTmp),y
@ -1004,21 +1003,16 @@ export asm streqi(a, b)#1
+ tax ; count up to (verified same) length of the strings
- iny
lda (tmp),y
cmp #('z'&$7F)+1 ; convert to upper case
bcs +
eor (pTmp),y
beq + ; matched
cmp #$20 ; check for case bit
bne .noteqi ; abort on alpha inequality
ora (tmp),y ; convert to lower case
cmp #('z'&$7F)+1
bcs .noteqi ; abort on inequality
cmp #'a'&$7F
bcc +
sbc #$20
+ sta ysav
lda (pTmp),y
cmp #('z'&$7F)+1 ; convert to upper case
bcs +
cmp #'a'&$7F
bcc +
sbc #$20
+ cmp ysav
bne .noteqi ; abort on inequality
dex
bcc .noteqi ; abort on inequality
+ dex
bne -
lda #1
ldy #0 ; okay, they're equal. Return 1 (not just any char; so that PLASMA when...is can work)