bubble/attiny24a_memory-led-game
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feat: sw flags constants

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This commit is contained in:
Sergey Yarkov 2021-10-03 22:47:35 +03:00
parent 9dbdb2458f
commit 9a41167e83
2 changed files with 39 additions and 38 deletions
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33
firmware.asm
View File

@ -46,14 +46,21 @@
.equ POLLING_STATE = 0x03
.equ COMPLETION_STATE = 0x04
.equ TRUE = 1
.equ FALSE = 0
;
; SW Flags states constants
.equ SW_FLAG_1 = 0xe0
.equ SW_FLAG_2 = 0xd0
.equ SW_FLAG_3 = 0xb0
.equ SW_FLAG_4 = 0x70
.macro init_stack_p ; Setup stack pointer
ldi @0, low(@1)
out SPL, @0
.endm
;
; @0 - I/O Register
; @1 - Data to write
.macro outi ; Out to i/o reg
push r16
ldi r16, @1
@ -71,6 +78,8 @@
pop r16
.endm
;
; @0 - New state
.macro set_state
push r16
lds r16, CURRENT_STATE_ADDRESS
@ -80,13 +89,6 @@
pop r16
.endm
.macro set_sw_flag
push r19
ldi r19, @0
sts SW_FLAGS_ADDRESS, r19
pop r19
.endm
.dseg ; Data segment
.org SRAM_START
@ -105,7 +107,7 @@ SW_FLAGS_ADDRESS: .byte 0x01
;
; Setup vectors
rjmp start ; Program start at RESET vector
reti ; External Interrupt Request 0
reti ; External Interrupt Request 0 / inactive
rjmp PCINT0_vect ; Pin Change Interrupt Request 0 / active
reti ; Pin Change Interrupt Request 1 / inactive
reti ; Watchdog Time-out / inactive
@ -127,7 +129,7 @@ reti ; USI Overflow / inactive
PCINT0_vect:
push r17
push r18
; // TODO update flag only in POLLING state of MCU
in r18, SREG
in r17, PINA ; Load current pins status of PINA
andi r17, 0xf0 ; Get pins status of only buttons
@ -144,7 +146,6 @@ reti
start:
init_stack_p r16, RAMEND ; Init stack pointer of MCU
set_state INIT_STATE ; Turn MCU state to initialization
set_sw_flag 0x00
loop: ; Program loop
lds r16, CURRENT_STATE_ADDRESS
init: ; Init state
@ -159,7 +160,7 @@ loop: ; Program loop
lds r18, SW_FLAGS_ADDRESS
led_1:
cpi r18, 0xe0
cpi r18, SW_FLAG_1
brne led_off_1
led_on_1:
sbi LED_PORT, 0
@ -167,7 +168,7 @@ loop: ; Program loop
led_off_1:
cbi LED_PORT, 0
led_2:
cpi r18, 0xd0
cpi r18, SW_FLAG_2
brne led_off_2
led_on_2:
sbi LED_PORT, 1
@ -175,7 +176,7 @@ loop: ; Program loop
led_off_2:
cbi LED_PORT, 1
led_3:
cpi r18, 0xb0
cpi r18, SW_FLAG_3
brne led_off_3
led_on_3:
sbi LED_PORT, 2
@ -183,7 +184,7 @@ loop: ; Program loop
led_off_3:
cbi LED_PORT, 2
led_4:
cpi r18, 0x70
cpi r18, SW_FLAG_4
brne led_off_4
led_on_4:
sbi LED_PORT, 3

44
firmware.hex
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@ -1,28 +1,28 @@
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