;//////////////////////////////////////////////////////////////////////////////
; Laboratory AVR Microcontrollers Part1
; Program template for lab 20
; Authors:
;
; Group:
; Section:
;
; Task:
;
; Todo:
;
;
; Version: 1.0
;//////////////////////////////////////////////////////////////////////////////
.nolist
.include "m128def.inc"
.list
.equ RAMTAB_SIZE=512
.equ ROMTAB_SIZE=514
;//////////////////////////////////////////////////////////////////////////////
; StaticRAM - data memory.segment
.DSEG
.ORG 0x100; may be omitted this is default value
; Destination table (xlengthx bytes).
; Replace "xlengthx" with correct value
ramtab: .BYTE RAMTAB_SIZE
;//////////////////////////////////////////////////////////////////////////////
; CODE - Program memory segment
; Please Remember that it is "word" address space
;
.CSEG
.org 0x0000 ; may be omitted this is default value
jmp RESET ; Reset Handler
; Interrupts vector table / change to your procedure only when needed
jmp EXT_INT0 ; IRQ0 Handler
jmp EXT_INT1 ; IRQ1 Handler
jmp EXT_INT2 ; IRQ2 Handler
jmp EXT_INT3 ; IRQ3 Handler
jmp EXT_INT4 ; IRQ4 Handler
jmp EXT_INT5 ; IRQ5 Handler
jmp EXT_INT6 ; IRQ6 Handler
jmp EXT_INT7 ; IRQ7 Handler
jmp TIM2_COMP ; Timer2 Compare Handler
jmp TIM2_OVF ;Timer2 Overflow Handler
jmp TIM1_CAPT ;Timer1 Capture Handler
jmp TIM1_C0MPA ;Timer1 CompareA Handler
jmp TIM1_C0MPB ;Timer1 CompareB Handler
jmp TIM1_0VF ;Timer1 Overflow Handler
jmp TIM0_COMP ;Timer0 Compare Handler
jmp TIM0_OVF ;Timer0 Overflow Handler
jmp SPI_STC ;SPI Transfer Complete Handler
jmp USART0_RXC ;USART0 RX Complete Handler
jmp USART0_DRE ;USART0,UDR Empty Handler
jmp USART0_TXC ;USART0 TX Complete Handler
jmp ADC1 ;ADC Conversion Complete Handler
jmp EE_RDY ;EEPROM Ready Handler
jmp ANA_COMP ;Analog Comparator Handler
jmp TIM1_C0MPC ;Timer1 CompareC Handler
jmp TIM3_CAPT ;Timer3 Capture Handler
jmp TIM3_COMPA ;Timer3 CompareA Handler
jmp TIM3_COMPB ; Timer3 CompareB Handler
jmp TIM3_COMPC ;Timer3 CompareC Handler
jmp TIM3_OVF ;Timer3 Overflow Handler
jmp USART1_RXC ;USART1 RX Complete Handler
jmp USART1_DRE ;USART1,UDR Empty Handler
jmp USART1_TXC ;USART1 TX Complete Handler
jmp TWI ;Two-wire Serial Interface Interrupt Handler
jmp SPM_RDY ;SPM Ready Handler
;//////////////////////////////////////////////////////////////////////////////
EXT_INT0: ; IRQ0 Handler
EXT_INT1: ; IRQ1 Handler
EXT_INT2: ; IRQ2 Handler
EXT_INT3: ; IRQ3 Handler
EXT_INT4: ; IRQ4 Handler
EXT_INT5: ; IRQ5 Handler
EXT_INT6: ; IRQ6 Handler
EXT_INT7: ; IRQ7 Handler
TIM2_COMP: ; Timer2 Compare Handler
TIM2_OVF: ;Timer2 Overflow Handler
TIM1_CAPT: ;Timer1 Capture Handler
TIM1_C0MPA: ;Timer1 CompareA Handler
TIM1_C0MPB: ;Timer1 CompareB Handler
TIM1_0VF: ;Timer1 Overflow Handler
TIM0_COMP: ;Timer0 Compare Handler
TIM0_OVF: ;Timer0 Overflow Handler
SPI_STC: ;SPI Transfer Complete Handler
USART0_RXC: ;USART0 RX Complete Handler
USART0_DRE: ;USART0,UDR Empty Handler
USART0_TXC: ;USART0 TX Complete Handler
ADC1: ;ADC Conversion Complete Handler
EE_RDY: ;EEPROM Ready Handler
ANA_COMP: ;Analog Comparator Handler
TIM1_C0MPC: ;Timer1 CompareC Handler
TIM3_CAPT: ;Timer3 Capture Handler
TIM3_COMPA: ;Timer3 CompareA Handler
TIM3_COMPB: ; Timer3 CompareB Handler
TIM3_COMPC: ;Timer3 CompareC Handler
TIM3_OVF: ;Timer3 Overflow Handler
USART1_RXC: ;USART1 RX Complete Handler
USART1_DRE: ;USART1,UDR Empty Handler
USART1_TXC: ;USART1 TX Complete Handler
TWI: ;Two-wire Serial Interface Interrupt Handler
SPM_RDY: ;SPM Ready Handler
reti ; return from all no used
;//////////////////////////////////////////////////////////////////////////////
; Program start
RESET:
cli ; disable all interrupts
; sprawdź, czy można kopiować, trzeba porównać liczby większe od 255 (tj. <0,512>) więc na
2 razy
; najpierw starszy bajt możliwie 2-bajtowej liczby
ldi r16, high(RAMTAB_SIZE)
cpi r16, high(ROMTAB_SIZE-2)
brlo koniec
ldi r16, low(RAMTAB_SIZE)
cpi r16, low(ROMTAB_SIZE-2)
brlo koniec
; Set stack pointer to top of RAM
ldi R16, HIGH(RAMEND)
out SPH, R16
ldi R16, LOW(RAMEND)
out SPL, R16
;------------------------------------------------------------------------------
; Main program code place here
; 1. Place here code related to initialization of ports and interrupts
; porty
ldi r16, 0x00
out DDRA, r16
ldi r16, 0xff
out PORTA, r16
; co prawda nie używamy diod, ale...
ldi r16, 0x00 ; stan wysokiej imped - diody nie świecą
out DDRB, r16
; czekaj na guzik
czekaj:
in r16, PINA
cpi r16, 0xff
breq czekaj
; RAMPZ dla rom żeby obejść 64kB limit
ldi r30, low(romtab<<1)
ldi r31, high(romtab<<1)
ldi r16, byte3(romtab<<1)
out RAMPZ, r16
; przygotuj czytanie do pamieci RAM
ldi r28, low(ramtab) ;
ldi r29, high(ramtab) ;
loop:
; wczytaj 2 bajty z romtab
elpm r16, Z+
elpm r17, Z
; if (t[0] == 0 && t[1] == 0) ...
cpi r16, 0x00
brne kopiuj
cpi r17, 0x00
brne kopiuj
koniec:
rjmp koniec
kopiuj:
; tu kopiowanie
st Y+,r16 ; kopiuj bajt
rjmp loop
;------------------------------------------------------------------------------
; Table Declaration - place here test values
; Test with different table values and different begin addresses of table (als above
0x8000)
;
.org 0x7ff0
romtab: .DB
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33
,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,9
4,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,11
8,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,1
41,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,
164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186
,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,20
9,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,2
32,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,
255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,3
2,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62
,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,
93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,11
7,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,1
40,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,
163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185
,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,20
8,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,2
31,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,
254,255, 0, 0
.EXIT
;------------------------------------------------------------------------------