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65 lines
1.0 KiB
PHP
65 lines
1.0 KiB
PHP
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;;; Floating Point macros
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.macro DEFINE_FLOAT
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.res 5, 0
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.endmacro
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;;; FAC = int
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.macro fac_load_int arg
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_op_lo ldy, {arg}
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_op_hi lda, {arg}
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jsr GIVAYF
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.endmacro
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;;; int = FAC
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.macro fac_store_int int
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jsr QINT
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lda FAC+4
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sta int
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lda FAC+3
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sta int+1
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.endmacro
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;;; FAC = float
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.macro fac_load float
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lday #float
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jsr MOVFM
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.endmacro
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;;; float = FAC
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.macro fac_store float
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ldxy #float
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jsr MOVMF
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.endmacro
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;;; FAC = float / FAC
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.macro fac_div float
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lday #float
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jsr FDIV
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.endmacro
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;;; FAC = float * FAC
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.macro fac_mul float
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lday #float
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jsr FMULT
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.endmacro
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;;; FAC = float - FAC
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.macro fac_sub float
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lday #float
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jsr FSUB
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.endmacro
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;;; FAC = float + FAC
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.macro fac_add float
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lday #float
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jsr FADD
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.endmacro
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;;; A = float <=> FAC
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.macro fac_comp float
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lday #float
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jsr FCOMP
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.endmacro
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