Y_index = (Value_In_RAM_13E1 / 2) + SlopeThreshold
;$13E1 valid values:
;$00 No slope.
;$08 Gradual slope left.
;$10 Gradual slope right.
;$18 Normal slope left.
;$20 Normal slope right.
;$28 Steep slope left.
;$30 Steep slope right.
;$38 Left facing up conveyor.
;$40 Left facing down conveyor.
;$48 Right facing up conveyor.
;$50 Right facing down conveyor.
;$58 Very steep slope left.
;$60 Very steep slope right.
;$68 Flying left while holding left, or holding right and tapping B.
;$70 Flying right while holding right, or holding left and tapping B.
;SlopeThreshold:
;0 If mario's X speed value is greater then values in $00D5CA
;2 If mario's X speed value is less then values in $00D5CA
dw $FF00 ;>$00D2CD (Index value: $00 = (#$00 / 2) + 0) \No slope.
dw $0100 ;>$00D2CF (Index value: $02 = (#$00 / 2) + 2) /
dw $FF00 ;>$00D2D1 (Index value: $04 = (#$08 / 2) + 0) \Gradual slope left.
dw $0100 ;>$00D2D3 (Index value: $06 = (#$08 / 2) + 2) /
dw $FF00 ;>$00D2D5 (Index value: $08 = (#$10 / 2) + 0) \Gradual slope right.
dw $0100 ;>$00D2D7 (Index value: $0A = (#$10 / 2) + 2) /
dw $FE80 ;>$00D2D9 (Index value: $0C = (#$18 / 2) + 0) \Normal slope left.
dw $00C0 ;>$00D2DB (Index value: $0E = (#$18 / 2) + 2) /
dw $FF40 ;>$00D2DD (Index value: $10 = (#$20 / 2) + 0) \Normal slope right.
dw $0180 ;>$00D2DF (Index value: $12 = (#$20 / 2) + 2) /
dw $FE00 ;>$00D2E1 (Index value: $14 = (#$28 / 2) + 0) \Steep slope left.
dw $0040 ;>$00D2E3 (Index value: $16 = (#$28 / 2) + 2) /
dw $FFC0 ;>$00D2E5 (Index value: $18 = (#$30 / 2) + 0) \Steep sloe right.
dw $0200 ;>$00D2E7 (Index value: $1A = (#$30 / 2) + 2) /
dw $FE00 ;>$00D2E9 (Index value: $1C = (#$38 / 2) + 0) \Left facing up conveyor.
dw $0040 ;>$00D2EB (Index value: $1E = (#$38 / 2) + 2) /
dw $FE00 ;>$00D2ED (Index value: $20 = (#$40 / 2) + 0) \Left facing down conveyor.
dw $0040 ;>$00D2EF (Index value: $22 = (#$40 / 2) + 2) /
dw $FFC0 ;>$00D2F1 (Index value: $24 = (#$48 / 2) + 0) \Right facing up conveyor.
dw $0200 ;>$00D2F3 (Index value: $26 = (#$48 / 2) + 2) /
dw $FFC0 ;>$00D2F5 (Index value: $28 = (#$50 / 2) + 0) \Right facing down conveyor.
dw $0200 ;>$00D2F7 (Index value: $2A = (#$50 / 2) + 2) /
dw $FC00 ;>$00D2F9 (Index value: $2C = (#$58 / 2) + 0) \Very steep slope left.
dw $FF00 ;>$00D2FB (Index value: $2E = (#$58 / 2) + 2) /
dw $0100 ;>$00D2FD (Index value: $30 = (#$60 / 2) + 0) \Very steep slope right.
dw $0400 ;>$00D2FF (Index value: $32 = (#$60 / 2) + 2) /
dw $FF00 ;>$00D301 (Index value: $34 = (#$68 / 2) + 0) \Flying left while holding left, or holding right and tapping B.
dw $0100 ;>$00D303 (Index value: $36 = (#$68 / 2) + 2) /
dw $FF00 ;>$00D305 (Index value: $38 = (#$70 / 2) + 0) \Flying right while holding right, or holding left and tapping B.
dw $0100 ;>$00D307 (Index value: $3A = (#$70 / 2) + 2) /
