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'[SX]: IREAD instruction'
I have found a strange thing with the IREAD instruction in an
SX52 chip. When the IREAD is set up to read the word at address
$802 + the address of the IREAD instruction itself, it allways
Could someone please test this and verify my results. Here is a
code snippet that demonstrates this:
ROM_L DS 1
ROM_H DS 1
mov ROM_L,#(string & $ff)
mov ROM_H,#(string >> 8)
; doesn't do anything usefull with w.
This is assmebled, programmed and single stepped with the SX-
Key Rev E.
The IREAD fails when it is reading the 'J' from the string. The
IREAD instruction is at address $007 and the 'J' is at address
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