serial.s

altera epxa1的例子程序

EXC_UART_RSR    EQU (EXC_REGISTERS_BASE + 0x280)
EXC_UART_RDS    EQU (EXC_REGISTERS_BASE + 0x284)
EXC_UART_RD     EQU (EXC_REGISTERS_BASE + 0x288)
EXC_UART_TSR    EQU (EXC_REGISTERS_BASE + 0x28c)
EXC_UART_TD     EQU (EXC_REGISTERS_BASE + 0x290)
EXC_UART_FCR    EQU (EXC_REGISTERS_BASE + 0x294)
EXC_UART_IES    EQU (EXC_REGISTERS_BASE + 0x298)
EXC_UART_IEC    EQU (EXC_REGISTERS_BASE + 0x29c)
EXC_UART_ISR    EQU (EXC_REGISTERS_BASE + 0x2a0)
EXC_UART_IID    EQU (EXC_REGISTERS_BASE + 0x2a4)
EXC_UART_MC     EQU (EXC_REGISTERS_BASE + 0x2a8)
EXC_UART_MCR    EQU (EXC_REGISTERS_BASE + 0x2ac)
EXC_UART_MSR    EQU (EXC_REGISTERS_BASE + 0x2b0)
EXC_UART_DIV_LO EQU (EXC_REGISTERS_BASE + 0x2b4)
EXC_UART_DIV_HI EQU (EXC_REGISTERS_BASE + 0x2b8)
	END