30 lines
641 B
ArmAsm
30 lines
641 B
ArmAsm
// #LAYOUT# STD * #TAKE
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// #LAYOUT# X16 BASIC_0 #TAKE-OFFSET 2000
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// #LAYOUT# * BASIC_0 #TAKE
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// #LAYOUT# * * #IGNORE
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//
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// Math package - divide FAC1 by 10, result is always positive
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//
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// Notes:
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// - shifts FAC1 to FAC2, loads FAC1 with the constant 10, falls through to the division routine
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//
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// See also:
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// - [CM64] Computes Mapping the Commodore 64 - page 114
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// - https://www.c64-wiki.com/wiki/Floating_point_arithmetic
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// - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics
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//
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// XXX test this
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div10_FAC1_p:
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lda #$00
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sta FAC1_sign
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ldy #>const_TEN
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lda #<const_TEN
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jmp div_MEM_FAC1
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