Function Name

FetchRAM

Purpose

Copy a block of memory from the [[REU]] into main RAM.

Call Address

$C2CB

Input

R0 - $02-$03 - Address within main memory to receive the copy.

R1 - $04-$05 - Address within the 64K REU bank of the memory to copy.

R2 - $06-$07 - Number of bytes to copy.

R3L - $08 - REU bank number to use.

Output

X - Error code.

YA - REU status.

Description

The Y register is loaded with $91, and [[GEOS Programmer's Reference Guide+GEOS Kernal Routines+DoRamOp|DoRamOp]] is called.