Specifications

Protocol Definitions
C-12
;*****************************************************************************
; File Name: BOOT.asm
; Originator: Digital Control Systems Group,
; Texas Instruments
;*****************************************************************************
; Constant definitions
;*****************************************************************************
READ_COMMAND .set 0300H ;Serial EEPROM Read Command in HByte
VBR_MAX .set 09h ;# times valid char needs to be received
CRC_MAX .set 03h ;# retries at each speed.
;*****************************************************************************
; Debug directives
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
.def GPR0 ;General purpose registers.
.def GPR1
.def GPR2
.def GPR3
.def DEST
.def LENGTH
.def data_buf
.def VBR_CNTR
.def DELAY
.def CHAR_RETRY_CNTR
.def BAUD_TBL_PTR
;*****************************************************************************
;Include header file for peripheral address references.
;
;*****************************************************************************
.include 24x.h
;*****************************************************************************
; Variable Declarations for on chip RAM Blocks
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
.bss GPR0,1 ;General purpose registers.
.bss GPR1,1
.bss GPR2,1
.bss GPR3,1
.bss DEST,1
.bss LENGTH,1
.bss stk0,1
.bss stk1,1
.bss data_buf,1
.bss VBR_CNTR,1
.bss DELAY,1
.bss CHAR_RETRY_CNTR,1
.bss BAUD_TBL_PTR,1
;*****************************************************************************
; M A C R O – Definitions
;*****************************************************************************
POINT_B1 .macro
LDP #06h
.endm
POINT_PF1 .macro