* STD-J1A
prtA  equ   $00
pA0   equ   0
pA1   equ   1
pA2   equ   2
pA3   equ   3
pA4   equ   4
pA5   equ   5
pA6   equ   6
pA7   equ   7
prtB  equ   $01
pB0   equ   0
pB1   equ   1
pB2   equ   2
pB3   equ   3
pB4   equ   4
pB5   equ   5
pB6   equ   6
pB7   equ   7
ddrA  equ   $04
ddrB  equ   $05
*******************************************
TSCR  equ   $08 ;Timer Status & Control Register
TOF   equ   7 ;Timer Overflow Flag
RTIF  equ   6 ;Real Time Interrupt Flag
TOIE  equ   5 ;TOF Interrupt Enable
RTIE  equ   4 ;Real Time Interrupt Enable
TOFR  equ   3 ;TOF Reset
RTIFR equ   2 ;RTIF Reset
RT1   equ   1 ;RTI rate select bit 1
RT2   equ   0 ;RTI rate select bit 0
TCR   equ   $09 ;Timer Counter Register
ISCR  equ   $0a ;IRQ Status & Control Reg
IRQE  equ   7 ;Ext Interrupt enable
IRQF  equ   3 ;Ext Interrupt flag
IRQR  equ   1 ;IRQF reset
********************************************
pdrA  equ   $10 ;prtA pulldown resistors register
pdrB  equ   $11 ;prtB pulldown registers register
COPR  equ   $07f0 ;COP register
COPC  equ   0   ;COP watchdog clear
****************************************************
MOR    equ  $07f1 ;Mask Option register
soscd  equ  7 ;short osc delay enable
epmsec equ  6 ;EPROM security enable
oscres equ  5 ;Oscillator parallel resistor
SWAIT  equ  4 ;STOP/HALT mode
PDI    equ  3 ;pulldown inhibit
PIRQ   equ  2 ;prtA IRQ enable
LEVEL  equ  1 ;logic low level IRQ enable
COPE   equ  0 ;COP watchdog enable
*****************************************************
RAM     equ   $00c0
ROM     equ   $0300
ROMend  equ   $07cf
VECTORS equ   $07f8
******************************************************
EPROG   equ   $18 ;EPROM programming reg.
elat  equ     2 ;EPROM latch control
mpgm  equ     1 ;MOR program control
epgm  equ     0 ;EPROM program control