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; tests RAM, stack and the sub routine calls ASUB and RSUB
; expects RAM to start at $8000, so works for example in environment "env1"
; done by sy2002 on August, 2nd 2015
.ORG 0x0000 ; Start address
MOVE 0x8020, R13 ; setup stack pointer
MOVE 0x8000, R8 ; source memory area
MOVE 0x800A, R9 ; destination memory area
RSUB MEMFILL, 1
MOVE 0x1111, R0
MOVE 0x2222, R1
MOVE 0x3333, R2
MOVE 0x8020, R8
MOVE 0x802A, R9
RSUB MEMFILL, 1
MOVE 0x4444, R3
MOVE 0x5555, R4
MOVE 0x6666, R5
HALT
MEMFILL ADD 0x0100, R14 ; save register bank
;fill some data beginning at R8
MOVE R8, R0
MOVE 0x5DA8, @R0++
MOVE 0x1000, @R0++
MOVE 0x0100, @R0++
MOVE 0x0010, @R0++
MOVE 0x0001, @R0++
MOVE 0x1111, @R0++
MOVE 0xFFFF, @R0++
; copy the data from R8 to R9
MOVE R8, R0
MOVE R9, R1
MOVE 0x0007, R2
MOVE 0x0001, R3
COPY MOVE @R0++, @R1++
SUB R3, R2
RBRA COPY, !Z
SUB 0x0100, R14 ; restore register bank
MOVE @R13++, R15 ; return from sub routine
b1fb36c56This file is pinned to the selected release. Download the original to open it in your design tool.