Motorola DSP56367 User Manual page 384

Bootstrap ROM Contents
enddo
bra <HDI08LOOP
HDI08NW
movep x:M_HORX,p:(r0)+
nop
HDI08LOOP
;========================================================================
; This is the exit handler that returns execution to normal
; expanded mode and jumps to the RESET vector.
FINISH
andi #$0,ccr
jmp (r1)
;========================================================================
; MD:MC:MB:MA=1001 is used for Burn-in code
BURN_RESER
jclr #MB,omr,BURN
;========================================================================
; The following modes are reserved, some of which are used for internal testing
; MD:MC:MB:MA=0011 is reserved
; MD:MC:MB:MA=1010 is reserved
; MD:MC:MB:MA=1011 is reserved
RESERVED
bra <*
;========================================================================
; Code for burn-in
;========================================================================
M_PCRC EQU $FFFFBF
M_PDRC EQU $FFFFBD
M_PRRC EQU $FFFFBE
SCKT EQU $3
EQUALDATA equ
if (EQUALDATA)
A-10
; downloading
; Must terminate the do loop
; Move the new word into its destination
; location in the program RAM
; pipeline delay
; Clear CCR as if RESET to 0.
; Then go to starting Prog addr.
; IF MD:MC:MB:MA=1001, go to BURN
;; Port C GPIO Control Register
;; Port C GPIO Data Register
;; Port C Direction Register
;; SCKT is GPIO bit #3 in ESAI (Port C)
0 ;; 1 if xram and yram are of equal
;; size and addresses, 0 otherwise.
DSP56367 MOTOROLA