mp1-ldi-sti.asm

ORIGIN 4x0000 


SEGMENT  CodeSegment:
; Test LDI, STI
        ldi r7, r0, MyPointer     ;PC= 0
;First load should see
;MAR < 4
;MDR <(M[4] =6)
;Second load should see
;MAR < 6
;MDR < (M[6] = 4x600D)
;R7 < 4x600D
        sti r7, r0, MySPointer    ;PC= 2
;First load should see
;MAR < 8
;MDR < (M[8] = 4xA)
;Second store should see
;MAR < 4xA
;MDR < (R7 = 4x600D)
;M[10] < 4x600D

	BRnzp HALT

HALT:
	BRnzp HALT
        MyPointer: DATA2 MyData   ;4
        MyData: DATA2 4x600D      ;6
        MySpointer: DATA2 MySData ;8
        MySData: DATA2 ?          ;10