+Stephen Moss Posted August 22, 2022 Share Posted August 22, 2022 Hello, I have been trying a small test code moving (initially just a number value) into RAM and then read it from RAM and compare to confirm the move operation worked using the 68000, running as a loop to test several RAM locations. I thought the necessary the code would be... MOVE.L Address, Address register, i.e MOVE $0000FFFF, A1 MOVE #Data, (Address register) , i.e. MOVE $000000FF, (A1) but it hangs my loop. But then I read that data movement into and out of RAM can only be performed by the GPU & it looks like 68000 cannot address the full RAM memory space anyway so I have tried porting in to GPU The attached image shows my code and the error messages generated when I make, the error message from SLN/SMAC and RLN/RMAC. The latter gives a little more of a clue indicating a missing closing bracket but I still cannot see where I am going wrong as I cannot see and opening bracket that is missing the corresponding closing bracket. Am I anywhere near the correct code or ridiculously way off? Quote Link to comment Share on other sites More sharing options...
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