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Atari coding BBS
| Another DSP question |
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Posted by: Thadoss
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Jun,30.2013-22:42
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Hi,
Sorry to disturb again, but I'm stuck with a strange problem :
I've written my little DSP code in a easy to test program. Everything runs well.
When I include my DSP code into my main project, the DSP code doesn't load : the DSPexecProg TRAP never leaves (I've put a <--- HERE comment in the next code to show where my breakppoint never arrives).
I use the same code (copy/paste) in the both programs (the test program and the main project one).
dsp_exec_prg:
; Initialise the DSP before using it (call Nocrew DSP_reset code)
bsr.w dspmod_dsp_load_program
; DSP_Unlock
move.w #105,-(sp)
trap #14
addq.w #2,sp
.dsp_locked: ; DSP_Lock
move.w #104,-(sp)
trap #14
addq.w #2,sp
tst.w d0
bne.s .dsp_locked
; DSP_RequestUniqueAbility
move.w #113,-(sp)
trap #14
addq.w #2,sp
; DSP_ExecProg
move.w d0,-(sp)
move.l #(dsp_exe_fin-dsp_exe_debut)/3,-(sp)
pea dsp_exe_debut
move.w #109,-(sp)
trap #14
lea 12(sp),sp ; <--- HERE
rts
Any idea of the problem ? Does it rings a bell to someone ?
Regards
Laurent/ Thadoss
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