Rievtech PR-12 Series, User Manual And Programmers Manual

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6.5.21 Seven segment code
Input/output Operand Data type
IN VB, IB, QB, MB, SB, SMB, LB, AC,constant, *VD, *AC, *LD Byte
OUT VB, IB, QB, MB, SMB, LB, AC, *VD, *AC, SB, *LD Byte
SEG:The instruction generates the bits of the seven
segment.
The low four bits value of input byte is converted.
Seven segment code table:
Example:
Analysis:
The low four bits value of VB0 is 8.The value of the output byte VB1 is 16#7F.The
result of converting VB1 to binary is 2# 0111 1111 .