Label: ＲＴＯＤ Function: Convert floating point radians to floating point degrees
Reference address：Convert floating point radians to floating point degrees
Entry condition: The floating point radian number is in [R0].
Exit information: The converted floating point degree number is still in [R0].
Affected resources: PSW, A, B, R2~R7, bits 1EH, 1FH Stack requirement: 6 bytes
RTOD: MOV R5,#6 ; The coefficient (180/π) is transferred to the second work area
MOV R6,#0E5H
MOV R7,#2FH
SJMP DR ; Conversion by multiplication
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