diff options
Diffstat (limited to 'software')
| -rw-r--r-- | software/idm/idm.asm | 43 |
1 files changed, 36 insertions, 7 deletions
diff --git a/software/idm/idm.asm b/software/idm/idm.asm index 59a83e3..60fa6a6 100644 --- a/software/idm/idm.asm +++ b/software/idm/idm.asm @@ -30,17 +30,41 @@ ;; ------------------------------------- ;; DEFINES - CNT0 EQU H'0020' CNT1 EQU H'0021' ;; ------------------------------------- ;; OFFSET org .0 + goto init + + ;; ------------------------------------- + ;; Interrupts + org .4 + clrf BSR + btfsc PIR1,SSP1IF + goto int_spi + retfie + +int_spi + bsf PORTA,7 + nop + bcf PORTA,7 + retfie ;; ------------------------------------- ;; INIT init + ;; BANK 4 + movlw b'00000100' + movwf BSR + movlw b'00100100' + movwf SSP1CON1 + movlw b'00010000' + movwf SSP1CON3 + movlw b'00000000' + movwf SSP1STAT + ;; BANK 3 movlw b'00000011' movwf BSR @@ -49,19 +73,24 @@ init ;; BANK 2 movlw b'00000010' - movwf BSR + movwf BSR ;; BANK 1 movlw b'00000001' movwf BSR - movlw b'11111111' + movlw b'01111111' movwf TRISA - movlw b'01110111' + movlw b'01110011' movwf TRISB - + movlw b'01011000' + movwf OSCCON + movlw b'01000000' + movwf PIE1 + ;; BANK 0 clrf BSR - + clrf PIR1 + bsf INTCON,GIE bcf PORTA,7 ;; ------------------------------------- @@ -83,7 +112,7 @@ inner movlw b'00001000' xorwf PORTB,f - + goto main ;; ------------------------------------- |