Wrote short assembler program to flick Q flag up and down with loop. Worked as expected.
byte vRAM[7] = {0x7b, 0x7b, 0x7a, 0x7b, 0x30, 0x00,0x00}; //ie seq,seq,req,seq,br start, idl
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Pi Pico and other Boards
Got a new Pi Pico and it looks very promising. Want to use Oled display with it.
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Think I've got it. On 1802 I/O is almost like DMA. For OUT 1 (0x61) the byte cycle after instruction fetch puts the address in R(x) ...
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