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https://github.com/vsariola/sointu.git
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Change .asm files that are actually only ever included into .inc-files, and rename all files as _header.inc & _footer.inc, depending where they are included.
This commit is contained in:
Veikko Sariola
173
src/opcodes/arithmetic_footer.inc
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173
src/opcodes/arithmetic_footer.inc
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SECT_TEXT(suarithm)
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;-------------------------------------------------------------------------------
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; POP opcode: remove (discard) the topmost signal from the stack
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;-------------------------------------------------------------------------------
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; Mono: a -> (empty)
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; Stereo: a b -> (empty)
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;-------------------------------------------------------------------------------
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%if POP_ID > -1
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EXPORT MANGLE_FUNC(su_op_pop,0)
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%ifdef INCLUDE_STEREO_POP
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jnc su_op_pop_mono
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fstp st0
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su_op_pop_mono:
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%endif
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fstp st0
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ret
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%endif
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;-------------------------------------------------------------------------------
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; ADD opcode: add the two top most signals on the stack
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;-------------------------------------------------------------------------------
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; Mono: a b -> a+b b
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; Stereo: a b c d -> a+c b+d c d
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;-------------------------------------------------------------------------------
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%if ADD_ID > -1
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EXPORT MANGLE_FUNC(su_op_add,0)
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%ifdef INCLUDE_STEREO_ADD
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jnc su_op_add_mono
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fadd st0, st2
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fxch
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fadd st0, st3
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fxch
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ret
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su_op_add_mono:
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%endif
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fadd st1
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ret
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%endif
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;-------------------------------------------------------------------------------
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; ADDP opcode: add the two top most signals on the stack and pop
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;-------------------------------------------------------------------------------
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; Mono: a b -> a+b
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; Stereo: a b c d -> a+c b+d
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;-------------------------------------------------------------------------------
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%if ADDP_ID > -1
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EXPORT MANGLE_FUNC(su_op_addp,0)
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%ifdef INCLUDE_STEREO_ADDP
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jnc su_op_addp_mono
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faddp st2, st0
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faddp st2, st0
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ret
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su_op_addp_mono:
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%endif
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faddp st1, st0
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ret
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%endif
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;-------------------------------------------------------------------------------
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; LOADNOTE opcode: load the current note, scaled to [-1,1]
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;-------------------------------------------------------------------------------
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; Mono: (empty) -> n, where n is the note
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; Stereo: (empty) -> n n
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;-------------------------------------------------------------------------------
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%if LOADNOTE_ID > -1
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EXPORT MANGLE_FUNC(su_op_loadnote,0)
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%ifdef INCLUDE_STEREO_LOADNOTE
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jnc su_op_loadnote_mono
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call su_op_loadnote_mono
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su_op_loadnote_mono:
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%endif
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fild dword [INP-su_voice.inputs+su_voice.note]
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do fmul dword [,c_i128,]
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do fsub dword [,c_0_5,] ; s-.5
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fadd st0, st0 ; 2*s-1
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ret
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%endif
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;-------------------------------------------------------------------------------
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; MUL opcode: multiply the two top most signals on the stack
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;-------------------------------------------------------------------------------
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; Mono: a b -> a*b a
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; Stereo: a b c d -> a*c b*d c d
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;-------------------------------------------------------------------------------
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%if MUL_ID > -1
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EXPORT MANGLE_FUNC(su_op_mul,0)
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%ifdef INCLUDE_STEREO_MUL
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jnc su_op_mul_mono
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fmul st0, st2
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fxch
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fadd st0, st3
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fxch
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ret
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su_op_mul_mono:
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%endif
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fmul st1
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ret
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%endif
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;-------------------------------------------------------------------------------
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; MULP opcode: multiply the two top most signals on the stack and pop
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;-------------------------------------------------------------------------------
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; Mono: a b -> a*b
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; Stereo: a b c d -> a*c b*d
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;-------------------------------------------------------------------------------
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%if MULP_ID > -1
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EXPORT MANGLE_FUNC(su_op_mulp,0)
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%ifdef INCLUDE_STEREO_MULP
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jnc su_op_mulp_mono
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fmulp st2, st0
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fmulp st2, st0
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ret
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su_op_mulp_mono:
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%endif
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fmulp st1
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ret
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%endif
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;-------------------------------------------------------------------------------
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; PUSH opcode: push the topmost signal on the stack
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;-------------------------------------------------------------------------------
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; Mono: a -> a a
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; Stereo: a b -> a b a b
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;-------------------------------------------------------------------------------
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%if PUSH_ID > -1
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EXPORT MANGLE_FUNC(su_op_push,0)
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%ifdef INCLUDE_STEREO_PUSH
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jnc su_op_push_mono
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fld st1
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fld st1
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ret
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su_op_push_mono:
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%endif
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fld st0
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ret
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%endif
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;-------------------------------------------------------------------------------
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; XCH opcode: exchange the signals on the stack
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;-------------------------------------------------------------------------------
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; Mono: a b -> b a
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; stereo: a b c d -> c d a b
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;-------------------------------------------------------------------------------
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%if XCH_ID > -1
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EXPORT MANGLE_FUNC(su_op_xch,0)
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%ifdef INCLUDE_STEREO_XCH
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jnc su_op_xch_mono
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fxch st0, st2 ; c b a d
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fxch st0, st1 ; b c a d
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fxch st0, st3 ; d c a b
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su_op_xch_mono:
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%endif
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fxch st0, st1
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ret
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%endif
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