120 lines
856 B
NASM
120 lines
856 B
NASM
// hello.asm
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// this little assembler programm outputs "Hi" on UART_TX
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//
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// Put your code here:
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// send "Never Graduate!" on UART_TX
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// read BUT[1,2] and write to LED[1,2]
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@78
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D=A
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@128
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M=D //N
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@101
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D=A
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@129
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M=D //e
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@118
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D=A
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@130
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M=D //v
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@101
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D=A
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@131
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M=D //e
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@114
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D=A
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@132
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M=D //r
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@32
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D=A
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@133
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M=D // space
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@71
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D=A
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@134
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M=D //G
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@114
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D=A
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@135
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M=D //r
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@97
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D=A
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@136
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M=D //a
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@100
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D=A
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@137
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M=D //d
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@117
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D=A
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@138
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M=D //u
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@97
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D=A
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@139
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M=D //a
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@116
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D=A
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@140
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M=D //t
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@101
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D=A
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@141
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M=D //e
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@33
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D=A
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@142
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M=D //!
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@13
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D=A
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@143
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M=D // carriage return
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@10
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D=A
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@144
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M=D // line feed
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@128
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D=A
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@CHARBOOT
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M=D
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@BOOT
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0;JEQ
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(POLL)
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@BUT
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D=!M
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@LED
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M=D
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@POLL
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0;JMP
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(WAITBOOT)
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@UART_TX
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D=M
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@BOOT
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D;JEQ
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@WAITBOOT
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0;JMP
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(BOOT)
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@CHARBOOT
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A=M
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D=M
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@UART_TX
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M=D
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@CHARBOOT
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M=M+1
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@145
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D=A
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@CHARBOOT
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D=D-M
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@ENDBOOT
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D;JEQ
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@WAITBOOT
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0;JMP
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(ENDBOOT)
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@POLL
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0;JMP
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