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section 7 - Index of

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Table A-1 Instruction Description Notation (Continued)Program Control Unit Registers OperandsPCMRCCRSR'OMRLALCSPSSHSSLSSProgram Counter Register (16 Bits)Mode Register (8 Bits)Condition Code Register (8 Bits)Status Register = MR:CCR (16 Bits)Operating Mode Register (8 Bits)Hardware Loop Address Register (16 Bits)Hardware Loop Counter Register (16 Bits)System Stack Pointer Register (6 Bits)Upper Portion <strong>of</strong> the Current Top <strong>of</strong> the Stack (16 Bits)Lower Portion <strong>of</strong> the Current Top <strong>of</strong> the Stack (16 Bits)System Stack RAM = SSH: SSL (15 Locations by 32 Bits)Address Operandseaeaxeayxxxxxxxaapp< ... >X:Y:L:P:Effective AddressEffective Address for X BusEffective Address for Y BusAbsolute Address (16 Bits)Short Jump Address (12 Bits)Absolute Short Address (6 Bits, Zero Extended)I/O Short Address (6 Bits, Ones Extended)Specifies the Contents <strong>of</strong> the Specified AddressX Memory ReferenceY Memory ReferenceLong Memory Reference = X:YProgram Memory Reference

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