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Use the renamed register names

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This commit is contained in:
Gwilym Kuiper 2022-05-04 20:36:06 +01:00
parent 0ec3c499cb
commit abfbf6a454
1 changed files with 6 additions and 6 deletions
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12
agb/src/sound/mixer/mixer.s
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@ -157,19 +157,19 @@ SWAP_SIGN .req r11
mov r4, r2
.macro clamp_s8 reg:req
subs r10, r7, \reg, asr #8
andne \reg, r8, r10, lsr #24
subs TEMP, CONST_0, \reg, asr #8
andne \reg, CONST_FF, TEMP, lsr #24
.endm
.macro load_sample left_reg:req right_reg:req
@ left_reg = *r1; r1++
ldr \left_reg, [r1], #4
mov \right_reg, \left_reg, lsl #16 @ push the sample 16 bits first
add \right_reg, r9, \right_reg, asr #20 @ move right sample back to being the correct value
add \left_reg, r9, \left_reg, asr #20 @ now we only have the left sample
mov \right_reg, \left_reg, lsl #16 @ push the sample 16 bits first
add \right_reg, CONST_127, \right_reg, asr #20 @ move right sample back to being the correct value
add \left_reg, CONST_127, \left_reg, asr #20 @ now we only have the left sample
clamp_s8 \left_reg @ clamp the audio to 8 bit values
clamp_s8 \left_reg @ clamp the audio to 8 bit values
clamp_s8 \right_reg
.endm