SENA HD1200 - Manual (Page 42)

Starter Kit and User Manual for the HelloDevice 1200
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OutAddrLSB equ $7F9
OutLenMSB equ $7FA
OutLenLSB equ $7FB
INTR_R equ $7FE
INTR_L equ $7FF
; Write specified address into InAddr.. registers
mov DPROffsetMSB, #(InAddrMSB & $ff00)>>8
mov DPROffsetLSB, #(InAddrMSB & $00ff)
mov w, AddressMSB
call @dpramwrite
mov DPROffsetMSB, #(InAddrLSB & $ff00)>>8
mov DPROffsetLSB, #(InAddrLSB & $00ff)
mov w, AddressLSB
call @dpramwrite
; Write specified length into InLen.. registers
mov DPROffsetMSB, #(InLenMSB & $ff00)>>8
mov DPROffsetLSB, #(InLenMSB & $00ff)
mov w, LengthMSB
call @dpramwrite
mov DPROffsetMSB, #(InLenLSB & $ff00)>>8
mov DPROffsetLSB, #(InLenLSB & $00ff)
mov w, LengthLSB
call @dpramwrite
; Write data for the loop count of specified length
mov DPROffsetMSB, AddressMSB
mov DPROffsetLSB, AddressLSB
……………
call @dpramwrite
……………
; Generate interrupt by writing $AA into INTR_L register
mov DPROffsetMSB, #(Intr_L&$ff00)>>8