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https://github.com/sergeyyarkov/attiny24a_memory-led-game.git
synced 2026-10-11 10:18:58 +03:00
51 lines
750 B
NASM
51 lines
750 B
NASM
;
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; Initialize stack pointer
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; @0 - Temp register
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.macro init_stack_p
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ldi @0, low(@1)
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out SPL, @0
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clr @0
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.ifdef SPH
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ldi @0, high(RAMEND)
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out SPH, @0
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clr @0
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.endif
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.endm
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;
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; out immediate
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; @0 - I/O Register
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; @1 - Data to write
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.macro outi
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push temp_r
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ldi temp_r, @1
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out @0, temp_r
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pop temp_r
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.endm
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;
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; sts immediate
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; @0 - SRAM Address
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; @1 - Data to write
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.macro stsi
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push temp_r
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ldi temp_r, @1
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sts @0, temp_r
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pop temp_r
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.endm
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;
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; Set MCU global state
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; @0 - New state
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.macro set_state
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sts PREVIOUS_STATE_ADDRESS, mcu_state_r ; Write previous state to SRAM
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stsi CURRENT_STATE_ADDRESS, @0
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.endm
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.macro buzzer_on
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sbi BUZZ_DIR, BUZZ_PIN
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.endm
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.macro buzzer_off
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cbi BUZZ_DIR, BUZZ_PIN
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.endm |