Created
February 24, 2023 23:07
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binary 0-99 to two 7-segment
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start: | |
ldi R16, 0 | |
out DDRD, R16 // internal pull-up | |
com R16 | |
out DDRC, R16 // หลักสิบ seg | |
out DDRB, R16 // หลักหน่วย seg | |
in R17, PIND // load data from sensor to R17 | |
// R20 หลักสิบ | |
// R21 หลักหน่วย | |
ldi R20, 0 // หลักสิบ = 0 | |
L: cpi R17, 10 | |
brlt lessten | |
subi R17, 10 | |
inc R20 | |
rjmp L | |
lessten: | |
mov R21, R17 // หลักหน่วย 0-9 | |
; [R20:R21] | |
ldi ZH, HIGH(SEG<<1) | |
ldi ZL, LOW(SEG<<1) | |
add ZL, R20 | |
LPM R20, Z // convert R20 to 7seg | |
out PORTC, R20 // หลักสิบ | |
ldi ZL, LOW(SEG<<1) | |
add ZL, R21 | |
LPM R21, Z | |
out PORTB, R21 | |
rjmp start | |
.org $500 | |
// 0 ดับ 1 ติด | |
SEG: .db 0b0111111,0b0000110, 0b1011011,0b1001111, 0b1100110,0b1101101, 0b1111101, 0b0000111, 0xFF, 0b1101111 | |
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