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Correct the channel order in the ASM optimised fiq handler. Correct a

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8753 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2006-02-20 20:23:21 +00:00
parent 7f6fe6aa35
commit ec93f4685c
1 changed files with 2 additions and 1 deletions
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firmware/pcm_playback.c
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@ -524,11 +524,12 @@ void fiq(void)
"cmp r12, #0x10000 \n\t"
"bls .fifo_full \n\t" /* FIFO full, exit */
"ldr r12, [r9], #4 \n\t" /* load two samples to r12 */
"mov r12, r12, ror #16\n\t" /* put left sample at the top bits */
"str r12, [r10] \n\t" /* write top sample, lower sample ignored */
"mov r12, r12, lsl #16\n\t" /* shift lower sample up */
"str r12, [r10] \n\t" /* then write it */
"subs r8, r8, #4 \n\t" /* check if we have more samples */
"bne .loop \n\t" /* yes, continue */
"bne .fifo_loop \n\t" /* yes, continue */
".more_data: \n\t"
"stmdb sp!, { r0-r3, lr}\n\t" /* stack scratch regs and lr */
"ldr r0, =p \n\t" /* load parameters to callback_for_more */