Difference between revisions of "OSWORD &6E"

Latest revision as of 19:13, 8 March 2015

OSWORD &6E (110) - Read byte from shadow RAM board Watford 32K

On entry:
 XY+0..1=address within RAM board
 XY?2=bank flag, b0=0 - &0000-&2FFF is main memory
   b0=1 - &0000-&2FFF is shadow memory
   b1=0 - &3000-&7FFF is main memory
   b1=1 - &3000-&7FFF is shadow memory
On exit:
 XY?3=byte read

Difference between revisions of "OSWORD &6E"

Latest revision as of 19:13, 8 March 2015

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