43 lines
No EOL
574 B
NASM
43 lines
No EOL
574 B
NASM
AREA RESET, DATA, READONLY
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EXPORT __Vectors
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__Vectors
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DCD 0x10001000
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DCD Reset_Handler
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ALIGN
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AREA MYCODE, CODE, READONLY
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ENTRY
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EXPORT Reset_Handler
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Reset_Handler
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LDR R0, =SRR
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LDR R1, [R0]
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MOV R4, #0
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MOV R11, #1
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MOV R10, #3
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LOOP
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MOV R2, R1
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MOV R3, #0
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DIV_LOOP
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CMP R2, #10
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BLT DIV_DONE
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SUB R2, R2, #10
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ADD R3, R3, #1
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B DIV_LOOP
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DIV_DONE
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MUL R8, R2, R11
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ADD R4, R4, R8
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LSL R11, R11, #4
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MOV R1, R3
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SUBS R10, R10, #1
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BNE LOOP
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STOP
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B STOP
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SRR DCD 0x45
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END |