1 files changed, 0 insertions, 144 deletions
diff --git a/engine/multiply_divide.asm b/engine/multiply_divide.asm
deleted file mode 100755
index d664c9d4..00000000
--- a/engine/multiply_divide.asm
+++ /dev/null
@@ -1,144 +0,0 @@
-_Multiply:
-	ld a, $8
-	ld b, a
-	xor a
-	ld [H_PRODUCT], a
-	ld [H_MULTIPLYBUFFER], a
-	ld [H_MULTIPLYBUFFER+1], a
-	ld [H_MULTIPLYBUFFER+2], a
-	ld [H_MULTIPLYBUFFER+3], a
-.multiplyLoop
-	ld a, [H_MULTIPLIER]
-	srl a
-	ld [H_MULTIPLIER], a
-	jr nc, .smallMultiplier ; less than $80
-; code to possibly multiply the multiplicand by 2 and divide the multiplier by 2?
-	ld a, [H_MULTIPLYBUFFER+3]
-	ld c, a
-	ld a, [H_MULTIPLICAND+2]
-	add c
-	ld [H_MULTIPLYBUFFER+3], a
-	ld a, [H_MULTIPLYBUFFER+2]
-	ld c, a
-	ld a, [H_MULTIPLICAND+1]
-	adc c
-	ld [H_MULTIPLYBUFFER+2], a
-	ld a, [H_MULTIPLYBUFFER+1]
-	ld c, a
-	ld a, [H_MULTIPLICAND]
-	adc c
-	ld [H_MULTIPLYBUFFER+1], a
-	ld a, [H_MULTIPLYBUFFER]
-	ld c, a
-	ld a, [H_PRODUCT]
-	adc c
-	ld [H_MULTIPLYBUFFER], a
-.smallMultiplier
-	dec b
-	jr z, .done
-	ld a, [H_MULTIPLICAND+2]
-	sla a
-	ld [H_MULTIPLICAND+2], a
-	ld a, [H_MULTIPLICAND+1]
-	rl a
-	ld [H_MULTIPLICAND+1], a
-	ld a, [H_MULTIPLICAND]
-	rl a
-	ld [H_MULTIPLICAND], a
-	ld a, [H_PRODUCT]
-	rl a
-	ld [H_PRODUCT], a
-	jr .multiplyLoop
-.done
-	ld a, [H_MULTIPLYBUFFER+3]
-	ld [H_PRODUCT+3], a
-	ld a, [H_MULTIPLYBUFFER+2]
-	ld [H_PRODUCT+2], a
-	ld a, [H_MULTIPLYBUFFER+1]
-	ld [H_PRODUCT+1], a
-	ld a, [H_MULTIPLYBUFFER]
-	ld [H_PRODUCT], a
-	ret
-
-_Divide:
-	xor a
-	ld [H_DIVIDEBUFFER], a
-	ld [H_DIVIDEBUFFER+1], a
-	ld [H_DIVIDEBUFFER+2], a
-	ld [H_DIVIDEBUFFER+3], a
-	ld [H_DIVIDEBUFFER+4], a
-	ld a, $9
-	ld e, a
-.asm_f6680
-	ld a, [H_DIVIDEBUFFER]
-	ld c, a
-	ld a, [H_DIVIDEND+1]
-	sub c
-	ld d, a
-	ld a, [H_DIVISOR]
-	ld c, a
-	ld a, [H_DIVIDEND]
-	sbc c
-	jr c, .asm_f669b
-	ld [H_DIVIDEND], a
-	ld a, d
-	ld [H_DIVIDEND+1], a
-	ld a, [H_DIVIDEBUFFER+4]
-	inc a
-	ld [H_DIVIDEBUFFER+4], a
-	jr .asm_f6680
-.asm_f669b
-	ld a, b
-	cp $1
-	jr z, .done
-	ld a, [H_DIVIDEBUFFER+4]
-	sla a
-	ld [H_DIVIDEBUFFER+4], a
-	ld a, [H_DIVIDEBUFFER+3]
-	rl a
-	ld [H_DIVIDEBUFFER+3], a
-	ld a, [H_DIVIDEBUFFER+2]
-	rl a
-	ld [H_DIVIDEBUFFER+2], a
-	ld a, [H_DIVIDEBUFFER+1]
-	rl a
-	ld [H_DIVIDEBUFFER+1], a
-	dec e
-	jr nz, .asm_f66d1
-	ld a, $8
-	ld e, a
-	ld a, [H_DIVIDEBUFFER]
-	ld [H_DIVISOR], a
-	xor a
-	ld [H_DIVIDEBUFFER], a
-	ld a, [H_DIVIDEND+1]
-	ld [H_DIVIDEND], a
-	ld a, [H_DIVIDEND+2]
-	ld [H_DIVIDEND+1], a
-	ld a, [H_DIVIDEND+3]
-	ld [H_DIVIDEND+2], a
-.asm_f66d1
-	ld a, e
-	cp $1
-	jr nz, .asm_f66d7
-	dec b
-.asm_f66d7
-	ld a, [H_DIVISOR]
-	srl a
-	ld [H_DIVISOR], a
-	ld a, [H_DIVIDEBUFFER]
-	rr a
-	ld [H_DIVIDEBUFFER], a
-	jr .asm_f6680
-.done
-	ld a, [H_DIVIDEND+1]
-	ld [H_REMAINDER], a
-	ld a, [H_DIVIDEBUFFER+4]
-	ld [H_QUOTIENT+3], a
-	ld a, [H_DIVIDEBUFFER+3]
-	ld [H_QUOTIENT+2], a
-	ld a, [H_DIVIDEBUFFER+2]
-	ld [H_QUOTIENT+1], a
-	ld a, [H_DIVIDEBUFFER+1]
-	ld [H_QUOTIENT], a
-	ret