gamma02.hpl

schematic interface orange for eeprom programming

; Orange programmer module v2.0
; (c) 2000 VIRGIS
; CHIP=GAMMAJOB (2048x16), prodija 24C02 (512x8)

SOCKET=2

PINO=SCL,0   ; do
PINO=SDA,1   ; d1
PINO=WP, 2   ; d2 cs mago ijungimui
PINI=SDA,1
PINO=SDD,3   ; d3 isejimas i dangu  

CDELAY = 4 ; one set delay

[INIT]
R0=0xA0   ; write I2C address const
R1=0xA1   ; read I2C address con
R2=0xFE   ; 254 adresas

R9=0000H   ; Pradinis kodas
R8=1999H   ; Galutinis kodas

;PRINT=("Press any key")

[_NEXTCODE]
R7=R9,R7=&0xF
R6=R8,R6=&0xF,R6=+1
R7?R6{R9=&0xFFF0,R9=+0x0010}

R7=R9,R7=&0xF0
R6=R8,R6=&0xF0,R6=+0x10
R7?R6{R9=&0xFF0F,R9=+0x0100}

R7=R9,R7=&0xF00
R6=R8,R6=&0xF00,R6=+0x100
R7?R6{R9=&0xF0FF,R9=+0x1000}

R7=R9,R7=&0xF000
R6=R8,R6=&0xF000,R6=+0x1000
R7?R6{PRINT=("Last code"),EXIT}

[READ]
_NEXTCODE
DATA=R9 ; write to buffer
;PRINT=("Code=%lX",R9)

R9=+1 ;increment code


[WRITE]

SDA=1,SCL=1,WP=1
P=1000000                           ; 1 sekunde
WP=0
P=6000000                           ; 6 sekundes
SDA?0{PRINT=("Code=%lX",R5),EXIT}  ; kodo kontrole

SDA=1,SCL=1,SDA=0,SCL=0 ;start
LOOP=(7,0) {SDA=R0[I],SCL=1,SCL=0}  ; out 8 bits 0xA0
SDA=0,SDA=1,SCL=1,SDA?0             ; ack check
SCL=0,SDA=0

LOOP=(7,0) {SDD=ADR[I]}             ; i dangu out 8 bits
LOOP=(7,0){SDA=R2[I],SCL=1,SCL=0}   ; out 8 bits address
SDA=0,SDA=1,SCL=1,SDA?0             ; ack check
SCL=0,SDA=0
R5=data
LOOP=(15,8){SDA=DATA[I],SCL=1,SCL=0}   ; out 8 bits data
SDA=0,SDA=1,SCL=1,SDA?0               ; 0 - ack check?
SCL=0,SDA=0
LOOP=(7,0){SDA=DATA[I],SCL=1,SCL=0}  ; out 8 bits data
SDA=0,SDA=1,SCL=1,SDA?0               ; 0 - ack check?
SCL=0,SDA=0

SCL=0,SCL=1,SDA=1                   ;stop
P=25000
WP=1
P=25000