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// 16-bit process controller defines
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// 16-bit process controller defines
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`define immDataLen 8
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`define immDataLen 8
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// program counter & instruction register
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// program counter & instruction register
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`define instAddrLen 10 // 10-bit address => 1024 inst in rom
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`define instLen 15 // 15-bit fixed-length instructions
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`define instLen 15 // 15-bit fixed-length instructions
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`define instOpCodeLen 5
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`define instOpCodeLen 5
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`define instFieldLen 10
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`define instFieldLen 10
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`define RST `instOpCodeLen'b10011
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`define RST `instOpCodeLen'b10011
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`define LdTC `instOpCodeLen'b10100
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`define LdTC `instOpCodeLen'b10100
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`define LdACC `instOpCodeLen'b10101
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`define LdACC `instOpCodeLen'b10101
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`define UARTrd `instOpCodeLen'b10110
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`define UARTrd `instOpCodeLen'b10110
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`define UARTwr `instOpCodeLen'b10111
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`define UARTwr `instOpCodeLen'b10111
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`define SPIxFER `instOpCodeLen'b11000
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`define UARTstat `instOpCodeLen'b11000
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`define SPIstat `instOpCodeLen'b11001
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`define SPIxFER `instOpCodeLen'b11001
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`define SPIwBUF `instOpCodeLen'b11010
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`define SPIstat `instOpCodeLen'b11010
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`define SPIrBUF `instOpCodeLen'b11011
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`define SPIwBUF `instOpCodeLen'b11011
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`define SPIrBUF `instOpCodeLen'b11100
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// alu opcodes
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// alu opcodes
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`define aluOpcodeLen 4
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`define aluOpcodeLen 4
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`define AND_alu `aluOpcodeLen'b0
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`define AND_alu `aluOpcodeLen'b0
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`define OR_alu `aluOpcodeLen'b1
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`define OR_alu `aluOpcodeLen'b1
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`define accMuxSelLen 4 // 2^4 = 16 selections available for accumulator
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`define accMuxSelLen 4 // 2^4 = 16 selections available for accumulator
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`define accMuxSelImmData `accMuxSelLen'b0
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`define accMuxSelImmData `accMuxSelLen'b0
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`define accMuxSelAluOut `accMuxSelLen'b1
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`define accMuxSelAluOut `accMuxSelLen'b1
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`define accMuxSelTcLoad `accMuxSelLen'b10
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`define accMuxSelTcLoad `accMuxSelLen'b10
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`define accMuxSelTcAcc `accMuxSelLen'b11
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`define accMuxSelTcAcc `accMuxSelLen'b11
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`define accMuxSelUart `accMuxSelLen'b100
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`define accMuxSelUartData `accMuxSelLen'b100
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`define accMuxSelSpiStat `accMuxSelLen'b101
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`define accMuxSelUartStat `accMuxSelLen'b101
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`define accMuxSelSpiBuf `accMuxSelLen'b110
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`define accMuxSelSpiStat `accMuxSelLen'b110
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`define accMuxSelSpiBuf `accMuxSelLen'b111
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// operand2 multiplexer
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// operand2 multiplexer
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`define op2MuxSelLen 4 // 2^4 = 16 selections available for op2
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`define op2MuxSelLen 4 // 2^4 = 16 selections available for op2
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`define op2MuxSelInput `op2MuxSelLen'b0
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`define op2MuxSelInput `op2MuxSelLen'b0
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`define op2MuxSelOutput `op2MuxSelLen'b1
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`define op2MuxSelOutput `op2MuxSelLen'b1
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// Timer-Counter
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// Timer-Counter
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`define tcAccLen 8 // 8-bit accumulated value
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`define tcAccLen 8 // 8-bit accumulated value
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`define tcPresetLen 8 // 8-bit preset value
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`define tcPresetLen 8 // 8-bit preset value
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`define tcAddrLen 4
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`define tcAddrLen 4
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`define tcTypeLen 2 // max 4-types
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`define tcTypeLen 2 // max 4-types
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`define tcNumbers 16 // total 16 modules (8-timers, 8-counters)
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`define tcNumbers 8 // total 8 modules (4-timers, 4-counters)
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`define timerType1 `tcTypeLen'b0
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`define timerType1 `tcTypeLen'b0
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`define timerType2 `tcTypeLen'b1
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`define timerType2 `tcTypeLen'b1
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`define timerType3 `tcTypeLen'b10
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`define timerType3 `tcTypeLen'b10
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