;//////////////////////////////////////////////////////////////////////////////
; Laboratory AVR Microcontrollers Part2
; Program template for lab 9
; Authors: Piotr Trojan, Sebastian Skupień
;
; Group: 2
; Section: 1
;
; Task: ATMega128 16MHz
; Todo: Napisać program, który przekopiuje dane z pamięci ROM na PORTB mikrokontrolera.
; Rozmiar tablicy w pamięci ROM nie jest znany, jednak wiemy, że jest ona zakończona sekwencją 0x00, 0x00.
;
;
; Version: 3.0
;//////////////////////////////////////////////////////////////////////////////
.nolist ;quartz assumption 4Mhz
.include "m128def.inc"
;//////////////////////////////////////////////////////////////////////////////
.list
.equ xlength = 100
;//////////////////////////////////////////////////////////////////////////////
; EEPROM - data non volatile memory segment
.ESEG

;//////////////////////////////////////////////////////////////////////////////
; StaticRAM - data memory.segment
.DSEG
RAMTAB: .BYTE 5 ; utwórz tablicę 5. elementów
;//////////////////////////////////////////////////////////////////////////////
; CODE - Program memory segment
; Please Remember that it is "word" address space
;
.CSEG
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
;  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
; for instance:
;    port A as output and initial value 0
ldi R16, 0
out DDRA, R16
;------------------------------------------------------------------------------
; F2. Load initial values of index registers
;  Z, X, Y
ldi Zl, Low(ROM_TAB * 2)
ldi Zh, High(ROM_TAB * 2)
PETLA:
elpm r16, Z+
cpi r16, 0x00
brne CopyByte
elpm r16, Z
sbiw Z, 1
cpi r16, 0x00
elpm r16, Z
brne CopyAfterZero
elpm r16, Z+
jmp End
CopyAfterZero:
st Y+,r16
elpm r16, Z+
jmp PETLA
CopyByte:
st Y+,r16
jmp PETLA


;------------------------------------------------------------------------------
; Program end - Ending loop
;------------------------------------------------------------------------------
End:
rjmp END

;------------------------------------------------------------------------------
; Table Declaration -  place here test values
; Test with different table values and different begin addresses of table (als above 0x8000)
;
ROM_TAB: .db 0x01, 0x00, 0x03, 0x04, 0x05, 0x00, 0x00
.EXIT
;------------------------------------------------------------------------------