bootloader test dump

06_IO_Devices/05_GO/boot.asm

@@ -3,3 +3,170 @@
 //*****************************************************************************
 //
 // Put your code here:
+
+// read data starting at address
+// 0x03 0x01 0x00 0x00
+    @3
+    D=A
+    @100
+    M=D
+    @1
+    D=A
+    @101
+    M=D
+    @102
+    M=0
+    @103
+    M=0
+
+// wake up from deep power down and wait 3us
+// 0xAB
+    @171
+    D=A
+    @SPI
+    M=D
+        @4
+        D=A
+        @COUNT
+        M=D
+        (DECR1)
+        @COUNT
+        DM=M-1
+        @DECR1
+        D;JGT
+    @511
+    D=A
+    @SPI
+    M=D
+        @21
+        D=A
+        @COUNT
+        M=D
+        (DECR2)
+        @COUNT
+        DM=M-1
+        @DECR2
+        D;JGT
+
+//command stack base address 
+    @100
+    D=A
+    @READCOMMAND
+    M=D
+    @DIRECTION
+    M=0
+    @WORDCOUNT
+    M=0
+    @WAITREAD
+    0;JEQ
+
+(WAITREAD)
+    @SPI
+    D=M
+    @WAITREAD
+    D;JLT
+    @READ
+    0;JMP
+
+(READ)
+    // read
+    @READCOMMAND
+    A=M
+    D=M
+    @SPI
+    M=D
+    @READCOMMAND
+    M=M+1
+    @104
+    D=A
+    @READCOMMAND
+    D=D-M
+    @WAITREAD
+    D;JGT
+    @ENDREAD
+    0;JMP
+
+(ENDREAD)
+    @WAITWRITE
+    0;JMP
+
+(WAITWRITE)
+    @SPI
+    D=M
+    @WAITWRITE
+    D;JLT
+    @WRITE
+    0;JMP
+
+(WRITE)
+    @SPI
+    M=0
+        @4
+        D=A
+        @COUNT
+        M=D
+        (FROMSPI)
+        @COUNT
+        DM=M-1
+        @FROMSPI
+        D;JGT
+    @DIRECTION
+    D=M
+    @WESTWORD
+    D;JEQ
+    @EASTWORD
+    D;JGT
+
+(WESTWORD)
+    @SPI
+    D=M
+    @R13
+    M=D
+    DM=D+M
+    DM=D+M
+    DM=D+M
+    DM=D+M
+    DM=D+M
+    DM=D+M
+    DM=D+M
+    DM=D+M
+    @DIRECTION
+    M=1
+    @WAITWRITE
+    0;JMP
+
+(EASTWORD)
+    @WORDCOUNT
+    D=M
+    @SRAM_A
+    M=D
+    @SPI
+    D=M
+    @R14
+    M=D
+    @R13
+    D=M
+    @R14
+    D=D+M
+    @SRAM_D
+    M=D
+    @DIRECTION
+    M=0
+    @WORDCOUNT
+    M=M+1
+    @6
+    D=A
+    @WORDCOUNT
+    D=D-M
+    @ENDWRITE
+    D;JEQ
+    @WAITWRITE
+    0;JMP
+
+(ENDWRITE)
+    @185
+    D=A
+    @SPI
+    M=D
+    @GO
+    M=1