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d54b7eb412
ld10k1: init_live updates * Added IEC958 Optical Raw Playback * Changed to mono switches saving GPRs * Renamed controls to match the Audigy driver closer. * switch_2x2.asm: Switch 2 x 2 channels * mono_switch_2.asm: Mono Switch 2 channels * mono_switch_2x2.asm: Mono Switch 2 x 2 channels * prologic.asm: LFE output added Signed-off-by: Mikael Magnusson <mikma@users.sourceforge.net>
34 lines
539 B
NASM
34 lines
539 B
NASM
; Mikael Magnusson
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name "Switch 2 - 2 channels"
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include "emu_constants.asm"
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Left0 IO
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Right0 IO
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Left1 IO
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Right1 IO
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tmp0 dyn 1
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tmp1 dyn 1
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switchL control 0,0,1
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switchR control 0,0,1
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switch macro dst, src, sw
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macints dst, C_0, src, sw
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endm
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switch_neg macro dst, src
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andxor dst, src, C_1, C_1
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endm
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switch2 macro dst, src0, src1, sw
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switch tmp0, src1, sw
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switch_neg tmp1, sw
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switch tmp1, src0, tmp1
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acc3 dst, tmp0, tmp1, C_0
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endm
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switch2 Left0, Left0, Left1, switchL
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switch2 Right0, Right0, Right1, switchR
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end
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