ps/noiseplug
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done. finally.

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This commit is contained in:
Joachim Fenkes 2012-08-11 17:35:05 +02:00
parent 889e60aa07
commit 45aaaccaf9
1 changed files with 14 additions and 3 deletions
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15
avr/noiseplug.s
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@ -1,6 +1,8 @@
.global __vectors
SREG = 0x3F
SPH = 0x3E
SPL = 0x3D
CCP = 0x3C
SMCR = 0x3A
CLKPSR = 0x36
@ -66,6 +68,10 @@ clear_sram:
sbrs r30, 5
rjmp clear_sram
ldi r18, 0x5F
out SPL, r18
out SPH, r16
ldi r18, LEADSIZE
sts lead1, r18
sts lead2, r18
@ -98,8 +104,10 @@ clear_sram:
clr r29
; init i
ldi r17, 3
ldi r18, 0xF0
clr r17
clr r18
;ldi r17, 3
;ldi r18, 0xF0
clr r19
mainloop:
@ -289,6 +297,9 @@ noarp:
ldi r24, 0
ldi r25, ~1
rcall lead_voice
lsr r23
add r16, r23
lsr r23
add r16, r23
ldi r28, lead2