Motorola M68EVB912B32 User Manual page 103

The D-Bug12 startup code is located in Flash EEPROM starting at address range $F700, as
shown in Table 3-5.
To customize this startup code, it is necessary to alter the startup code in Flash EEPROM. For
more information, refer to Appendix E  EEPROM Bootloader.
;
MAP_PAGE: equ
;
;
PORTE: equ
DDRE: equ
PEAR: equ
MODE: equ
INITRG: equ
INITEE: equ
COPCTL: equ
CSCTL0: equ
CSCTL1: equ
CSSTR0: equ
PORTAD: equ
EEMCR: equ
BPROT: equ
FEELCK: equ
;
MonRAMStart: equ
MonRAMSize: equ
RAM_START: equ
RAMSize: equ
STACKTOP: equ
EE_START: equ
CustData: equ
IOBase: equ
EEBase: equ
;
xref
xdef
;
switch
;
68EVB912B32UM/D
APPENDIX C
D-BUG12 STARTUP CODE
$0000
$0008+MAP_PAGE
$0009+MAP_PAGE
$000a+MAP_PAGE
$000b+MAP_PAGE
$0011+MAP_PAGE
$0012+MAP_PAGE
$0016+MAP_PAGE
$003c+MAP_PAGE
$003d+MAP_PAGE
$003e+MAP_PAGE
$006f+MAP_PAGE
$00f0+MAP_PAGE
$00f1+MAP_PAGE
$00f4+MAP_PAGE
$0A00
$0200
$0800
$0400
RAM_START+RAMSize ; stack at top of internal RAM
$0d00
$f6c0
CustData+15
CustData+19
_BootLoad, _UserFnTable
__MonStartup, _EEDelay
.text
; EEPROM located here out of reset
; location of user supplied base address
; of I/O registers
; location of user supplied base
; address of EEPROM
D-BUG12 STARTUP CODE
C-1