X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=beginners%2Fseason_junior.asm;h=e6a46067d459aaf6c6aa0bd249c0921370a2f84a;hb=d33a33e018bbcaa09907be8fa03b965fe411a974;hp=b9551528395be6cc5270a0a2a2ff3d30f900454a;hpb=e108908a7b122bb99cfc6521e0f049f587d7c0bc;p=my-code%2Fatmel.git diff --git a/beginners/season_junior.asm b/beginners/season_junior.asm index b955152..e6a4606 100644 --- a/beginners/season_junior.asm +++ b/beginners/season_junior.asm @@ -3,57 +3,444 @@ ; author: hackbard@hackdaworld.dyndns.org ; -include "../include/2313def.inc" +; at90s2313 +; setup: ; +; vcc card --- atmel vcc +; vcc cam --- +; rst cam --- atmel int0 (pd2) +; rst card --- atmel (pd4) +; clk card -\ +; - atmel t1 (pd5) +; clk cam -/ +; gnd card --- gnd cam --- atmel gnd +; i/o card --- atmel icp (pd6) +; i/o cam --- atmel int1 (pd3) + +.include "../include/2313def.inc" + + +; ####### +; defines +; ####### + +; baudrate = clock freq / etu +; std smartcard etu: 372 +; other smartcards: 625 +.define clock 8000000 +.define clk_h 4000000 +.define etu 625 +.define etu_h 312 +.define baudrate 5 ; UBRR value for 76800 bits/s (8mhz clock) + +; sizes +.define uart_data_len 4 + +; names for registers +.def tmp = r16 +.def bitcount = r17 +.def tmp1 = r18 +.def tmp2 = r19 +.def byte = r20 +.def overflow_counter = r21 +.def counter_l = r22 +.def counter_h = r23 +.def state = r24 +.def state_m = r25 +.def mode = r26 +.def counter_l_tmp = r27 +.def counter_h_tmp = r28 +.def address_h = r31 +.def address_l = r30 +.def one = r1 +.def zero = r0 + +; state +.define LOW (1<<0) +.define LOW_F 1 +.define HIGH (1<<1) +.define HIGH_F 2 +; mode +.define STUPID (1<<0) ; forward cam <-> card communication +.define STUPID_F 1 +.define COOL (1<<1) ; send time (clocks) & state via uart +.define COOL_F 2 +.define ELITE (1<<2) ; create bytes, maybe even whole command arrays +.define ELITE_F 3 +.define GODLIKE (1<<3) ; filter and mask for commands to card - send rejected via uart only +.define GODLIKE_F 4 +.define INCREDIBLE_HACK (1<<4) ; destroy all your hardware +.define INCREDIBLE_HACK_F 5 + +; but there is only stupid and cool mode right now %) + + +; ############# +; programm code +; ############# + +; ------------------ ; interrupt vectors: -; +; ------------------ ; reset -rjmp INIT ; init routine +rjmp INIT -; int 0 -rjmp REC_FROM_CARD ; smartcard sends data, we listen +; int0 +rjmp RST_CAM -; int 1 -rjmp REC_FROM_CAM ; cam sends data, we listen +; int1 +rjmp REC_CAM ; timer/counter capt 1 -reti ; we just count the smartcard clocks +rjmp REC_CARD ; timer/counter compare -reti ; not in use +reti ; timer/counter overflow 1 -reti ; not in use +rjmp T1_OVERFLOW ; timer/counter overflow 0 -reti ; not in use +reti ; uart rx complete -reti ; maybe we need it later +reti ; uart data register empty -reti ; maybe we need it later +rjmp UART_OUT ; uart tx complete -reti ; maybe we need it later +reti ; analog comparator -reti ; not in use +reti -; +; ------------ ; init routine -; +; ------------ INIT: +; output low on rst to card while init +sbi DDRD,DDD4 +cbi PORTD,PD4 + ; set stackpointer -ldi r16,low(RAMEND) -out SPL,r16 +ldi tmp,low(RAMEND) +out SPL,tmp + +; enable interrupts int0,int1 +ldi tmp,((1<