22 / 27 page  SCG9864 8-BIT MICROCONTROLLER Score Concept Semiconductor Ltd. 22 Sept 2000 97. ROL (X) Code 0111 0110 Operation C ←(X)←C Flags N, Z, C 98. ROL (Y) Code 0111 0111 Operation C ←(Y)←C Flags N, Z, C 99. ROL label Code 0111 0100 zzzz zzzz Operation C ←(zzzz zzzz)←C Flags N, Z, C 100. ROM A Code 0111 1101 Operation ROM (BANK,X,A) →A Flags ----- 101. ROM Y Code 0111 1001 Operation ROM (BANK,X,Y) →A Flags ----- 102. ROMDBL Code 0001 0010 Operation ROM (BANK,X,Y) →B ROM (BANK,X,Y+1) →A 103. ROR A Code 0111 1000 Operation C¡A¡C Flags N, Z, C 104. ROR X Code 0111 1010 Operation C →X→C Flags N, Z, C 105. ROR Y Code 0111 1011 Operation C →Y→C Flags N, Z, C 106. ROR (X) Code 0111 1110 Operation C →(X)→C Flags N, Z, C 107. ROR (Y) Code 0111 1111 Operation C →(Y)→C Flags N, Z, C 108. ROR label Code 0111 1100 zzzz zzzz Operation C →(zzzz zzzz)→C Flags N, Z, C 109. RTI Code 0100 0101 Operation SP+1 →SP (SP) →PS;SP+1→1 (SP) →IPAGE,PAGE; SP+1 →SP (SP)¡PCHIGH; SP+1¡SP (SP) →PCLOW Flags ----- 110. RTL Code 0100 1101 Operation SP+1 →SP (SP) →iPAGE,PAGE; SP+1 →SP (SP) →PCHIGH SP+1 →SP (SP) →PCLOW Flags ----- 111. RTS Code 0101 0101 Operation SP+1 →SP (SP) →PCHIGH; SP+1 →SP (SP) →PCLOW Flags ----- |
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