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matrix.s
author Tero Marttila <terom@paivola.fi>
Thu, 03 Apr 2014 19:44:13 +0300
changeset 51 ec6271f0637b
parent 39 d7eac199d323
permissions -rw-r--r--
make: fix build-deps, and avr-objdump -d build/src/hello.elf

build/src/hello.elf: file format elf32-avr


Disassembly of section .text:

00000000 <__vectors>:
0: 0c 94 34 00 jmp 0x68 ; 0x68 <__ctors_end>
4: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
8: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
c: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
10: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
14: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
18: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
1c: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
20: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
24: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
28: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
2c: 0c 94 58 00 jmp 0xb0 ; 0xb0 <__vector_11>
30: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
34: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
38: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
3c: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
40: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
44: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
48: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
4c: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
50: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
54: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
58: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
5c: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
60: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>
64: 0c 94 3e 00 jmp 0x7c ; 0x7c <__bad_interrupt>

00000068 <__ctors_end>:
68: 11 24 eor r1, r1
6a: 1f be out 0x3f, r1 ; 63
6c: cf ef ldi r28, 0xFF ; 255
6e: d8 e0 ldi r29, 0x08 ; 8
70: de bf out 0x3e, r29 ; 62
72: cd bf out 0x3d, r28 ; 61
74: 0e 94 90 00 call 0x120 ; 0x120 <main>
78: 0c 94 a3 00 jmp 0x146 ; 0x146 <_exit>

0000007c <__bad_interrupt>:
7c: 0c 94 00 00 jmp 0 ; 0x0 <__vectors>

00000080 <timer_init>:
80: 10 92 80 00 sts 0x0080, r1
84: 88 e0 ldi r24, 0x08 ; 8
86: 80 93 81 00 sts 0x0081, r24
8a: 10 92 82 00 sts 0x0082, r1
8e: 08 95 ret

00000090 <timer1_start>:
90: 10 92 85 00 sts 0x0085, r1
94: 10 92 84 00 sts 0x0084, r1
98: 90 93 89 00 sts 0x0089, r25
9c: 80 93 88 00 sts 0x0088, r24
a0: f1 9a sbi 0x1e, 1 ; 30
a2: 82 e0 ldi r24, 0x02 ; 2
a4: 80 93 6f 00 sts 0x006F, r24
a8: 8d e0 ldi r24, 0x0D ; 13
aa: 80 93 81 00 sts 0x0081, r24
ae: 08 95 ret

000000b0 <__vector_11>:
b0: 1f 92 push r1
b2: 0f 92 push r0
b4: 0f b6 in r0, 0x3f ; 63
b6: 0f 92 push r0
b8: 11 24 eor r1, r1
ba: 10 92 81 00 sts 0x0081, r1
be: f1 98 cbi 0x1e, 1 ; 30
c0: 0f 90 pop r0
c2: 0f be out 0x3f, r0 ; 63
c4: 0f 90 pop r0
c6: 1f 90 pop r1
c8: 18 95 reti

000000ca <timer_sleep>:
ca: 0e 94 48 00 call 0x90 ; 0x90 <timer1_start>
ce: 81 e0 ldi r24, 0x01 ; 1
d0: 83 bf out 0x33, r24 ; 51
d2: 01 c0 rjmp .+2 ; 0xd6 <timer_sleep+0xc>
d4: 88 95 sleep
d6: 8e b3 in r24, 0x1e ; 30
d8: 81 fd sbrc r24, 1
da: fc cf rjmp .-8 ; 0xd4 <timer_sleep+0xa>
dc: 13 be out 0x33, r1 ; 51
de: 08 95 ret

000000e0 <serial_init>:
e0: 10 92 c0 00 sts 0x00C0, r1
e4: 10 92 c1 00 sts 0x00C1, r1
e8: 86 e0 ldi r24, 0x06 ; 6
ea: 80 93 c2 00 sts 0x00C2, r24
ee: 87 e6 ldi r24, 0x67 ; 103
f0: 90 e0 ldi r25, 0x00 ; 0
f2: 90 93 c5 00 sts 0x00C5, r25
f6: 80 93 c4 00 sts 0x00C4, r24
fa: 08 95 ret

000000fc <serial_enable>:
fc: 88 e1 ldi r24, 0x18 ; 24
fe: 80 93 c1 00 sts 0x00C1, r24
102: 08 95 ret

00000104 <serial_read>:
104: 80 91 c0 00 lds r24, 0x00C0
108: 87 ff sbrs r24, 7
10a: fc cf rjmp .-8 ; 0x104 <serial_read>
10c: 80 91 c6 00 lds r24, 0x00C6
110: 08 95 ret

00000112 <serial_write>:
112: 90 91 c0 00 lds r25, 0x00C0
116: 95 ff sbrs r25, 5
118: fc cf rjmp .-8 ; 0x112 <serial_write>
11a: 80 93 c6 00 sts 0x00C6, r24
11e: 08 95 ret

00000120 <main>:
120: 1f 93 push r17
122: 0e 94 40 00 call 0x80 ; 0x80 <timer_init>
126: 0e 94 70 00 call 0xe0 ; 0xe0 <serial_init>
12a: 25 9a sbi 0x04, 5 ; 4
12c: 0e 94 7e 00 call 0xfc ; 0xfc <serial_enable>
130: 78 94 sei
132: 88 e5 ldi r24, 0x58 ; 88
134: 10 e2 ldi r17, 0x20 ; 32
136: 0e 94 89 00 call 0x112 ; 0x112 <serial_write>
13a: 85 b1 in r24, 0x05 ; 5
13c: 81 27 eor r24, r17
13e: 85 b9 out 0x05, r24 ; 5
140: 0e 94 82 00 call 0x104 ; 0x104 <serial_read>
144: f8 cf rjmp .-16 ; 0x136 <main+0x16>

00000146 <_exit>:
146: f8 94 cli

00000148 <__stop_program>:
148: ff cf rjmp .-2 ; 0x148 <__stop_program>
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;; vim: set ft=avr:
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.nolist













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.include "m168def.inc"      ; Same family as 328P













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.list













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;; Interrupt Vector













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.org 0x00













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        rjmp        init













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.org OC1Aaddr













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		; Timer/Counter1 Compare Output A













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		rjmp		Timer_OC1A













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.org OC0Aaddr













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        ; Timer/Counter0 Compare Output A













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        rjmp        Timer_OC0A













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.org SPIaddr













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        rjmp        SPI_Interrupt













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cseg0:         .org 0x40








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;; Syntax













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.include "macros.inc"













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;; SPI













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.include "spi.inc"













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;; Matrix













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.include "matrix.inc"













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;; Timer













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.set TIMER0_CB_A = Matrix_ScanCol













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.include "timer.inc"













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;; Utils













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.include "delay.inc"













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;; Font rendering













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.include "font.inc"













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;; Scan through each pixel








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Main_ScanRaw:








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	; init













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		ldi			r18, 1













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		ldi			r19, 1













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scan_loop:













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	; write out to SPI













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		sts			spi_outbuf + 0, r18		; rows













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		sts			spi_outbuf + 1, r19		; columns













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		rcall		SPI_SendRecv













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	; delay













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		ldi			r20, 5					; ~4M cycles













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		rcall		VarDelay













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	; cols













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		lsl			r19						; next col













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		brcc		scan_loop				; refresh if we didn't overflow













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		rol			r19						; shift back from C into r21.0













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	; rows








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		lsl			r18						; next row








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		brcc		scan_loop				; refresh if we didn't overflow













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		rol			r18						; shift back from C into r20.0













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	; one scan completed













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		ret













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;; Scan with test pattern













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Main_ScanTest:













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	; Generate pattern













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		; end of buffer








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		ldi			r17, MATRIX_BUF_COLS













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		ldi			XL, low(matrix_colbuf + MATRIX_BUF_COLS)













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		ldi			XH, high(matrix_colbuf + MATRIX_BUF_COLS)








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		; bit pattern













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		ldi			r16, 0b11













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    89


st_loop:








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		; put, pre-decrement








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		st			-X, r16













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		; flip













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		rol			r16













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		; loop until zero	













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		dec			r17













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		brne		st_loop













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   100


st_animate:













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   101


	; Animate













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   102


        ; shift right








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   103


        rcall       Matrix_ShiftLeft








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   104














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   105


        ; wait for X/16th of a second








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   106


        ldi         XH, high(8 * 1024)













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   107


        ldi         XL, low(8 * 1024)








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   108














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   109


        rcall       Timer_Sleep













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   110














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   111


        ; loop













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   112


        rjmp        st_animate













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   113














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   114














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   115


;; Display device code memory













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   116


Main_ScanCode:













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   117


    ; Code start













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   118


        ldi         ZL, low(cseg0 * 2)      ; word addr













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   119


        ldi         ZH, high(cseg0 * 2)     ; word addr













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   120


    








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   121


    ; Pause refresh













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   122


        cli













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   123









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   124


    ; Load initial frame













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   125


        ; to first frame, starting from right edge













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   126


        ldi         r17, 8













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   127


		ldi			XL, low(matrix_colbuf + 16)













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   128


		ldi			XH, high(matrix_colbuf + 16)













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   129














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   130


sc_load_initial:













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   131


        ; one byte













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   132


        lpm         r16, Z+













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   133


        st          -X, r16













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   134














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   135


        ; loop until zero













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   136


        dec         r17













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   137


        brne        sc_load_initial













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   138









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   139


        ; the first ShiftLeft below will jump to the end of the framebuffer













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   140









34






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   141


sc_next:













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   142


    ; Show this frame








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   143


        rcall       Matrix_ShiftLeft








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   144














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   145


    ; Load next frame













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   146


        ldi         r17, 8













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   147


        ldi         XL, low(matrix_colbuf + 8)













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   148


        ldi         XH, high(matrix_colbuf + 8)













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   149














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   150


sc_load_next:













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   151


        ; one byte













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   152


        lpm         r16, Z+













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   153


        st          -X, r16













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   154














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   155


        ; loop until zero













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   156


        dec         r17













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   157


        brne        sc_load_next













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   158









35






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   159


    ; Enable refresh













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   160


        sei













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changeset




   161









34






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   162


    ; Animate from this -> next frame













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   163


        ldi         r17, 8      ; 8 columns













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   164














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   165


sc_anim:













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   166


        ; wait for X/16th of a second













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   167


        ldi         XH, high(2 * 1024)













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   168


        ldi         XL, low(2 * 1024)













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changeset




   169














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   170


        rcall       Timer_Sleep













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changeset




   171














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changeset




   172


        ; shift








36






06e1e554acbb
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   173


        rcall       Matrix_ShiftLeft








34






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   174














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   175


        ; loop until zero













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   176


        dec         r17













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   177


        brne        sc_anim













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   178









35






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   179


    ; Pause refresh













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   180


        cli













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diff
changeset




   181









34






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   182


    ; Move next -> this













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   183


        ldi         r17, 8













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changeset




   184


        ldi         XL, low(matrix_colbuf + 16)













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changeset




   185


        ldi         XH, high(matrix_colbuf + 16)













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changeset




   186


        ldi         YL, low(matrix_colbuf + 8)













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changeset




   187


        ldi         YH, high(matrix_colbuf + 8)













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changeset




   188














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   189


sc_move_this:













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changeset




   190


        ; one byte













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changeset




   191


        ld          r16, -Y













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changeset




   192


        st          -X, r16













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changeset




   193














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changeset




   194


        ; loop until zero













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changeset




   195


        dec         r17













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Matrix_Shift, Main_ScanText animation and Main_ScanCode



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changeset




   196


        brne        sc_move_this













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Matrix_Shift, Main_ScanText animation and Main_ScanCode



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changeset




   197














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changeset




   198


sbi         PIND, PIND7













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changeset




   199














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changeset




   200


    ; Load next frame, and animate













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changeset




   201


        rjmp        sc_next








33






0d0309787be3
Working matrix scan



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diff
changeset




   202









38






f430b507a885
Working font rendering on LED matrix



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   203


Main_ScanText:













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changeset




   204









39






d7eac199d323
Implement Text_Load/ShowString



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   205


    ; Constants













d7eac199d323
Implement Text_Load/ShowString



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changeset




   206


stxt_message:       ; text to render













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Implement Text_Load/ShowString



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changeset




   207


        .db         0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x21, 0x0 ; 'hello world!'








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Working font rendering on LED matrix



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   208









39






d7eac199d323
Implement Text_Load/ShowString



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   209


    ; Load into buffer













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Implement Text_Load/ShowString



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changeset




   210


        ldi         ZL, low(stxt_message * 2)













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Implement Text_Load/ShowString



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   211


        ldi         ZH, high(stxt_message * 2)








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   212









39






d7eac199d323
Implement Text_Load/ShowString



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   213


        rcall       Text_LoadString








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   214









39






d7eac199d323
Implement Text_Load/ShowString



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   215


sbi         PORTD, PIND7








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   216









39






d7eac199d323
Implement Text_Load/ShowString



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   217


    ; Display













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Implement Text_Load/ShowString



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   218


        rcall       Text_ShowString













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Implement Text_Load/ShowString



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   219














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Implement Text_Load/ShowString



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   220


    ; Done













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   221


        ret








38






f430b507a885
Working font rendering on LED matrix



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changeset




   222









31






dfb246ecaf23
8x8 LED Matrix driver



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diff
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   223


Main:













dfb246ecaf23
8x8 LED Matrix driver



Tero Marttila <terom@fixme.fi>


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   224


init:













dfb246ecaf23
8x8 LED Matrix driver



Tero Marttila <terom@fixme.fi>


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   225


    ; Stack













dfb246ecaf23
8x8 LED Matrix driver



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   226


        ldi         r16, high(RAMEND)













dfb246ecaf23
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   227


        ldi         r17, low(RAMEND)













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   228


        out         SPH, r16













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   229


        out         SPL, r17













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   230














dfb246ecaf23
8x8 LED Matrix driver



Tero Marttila <terom@fixme.fi>


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   231


    ; Enable interrupts













dfb246ecaf23
8x8 LED Matrix driver



Tero Marttila <terom@fixme.fi>


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   232


        sei













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8x8 LED Matrix driver



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   233









33






0d0309787be3
Working matrix scan



Tero Marttila <terom@fixme.fi>


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   234


; DEBUG













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Working matrix scan



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   235


sbi			DDRD, PORTD7













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Working matrix scan



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   236


cbi			PORTD, PORTD7













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Working matrix scan



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Working matrix scan



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   238


	; Timer













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Working matrix scan



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   239


		rcall		Timer_Init













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Working matrix scan



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   240









31






dfb246ecaf23
8x8 LED Matrix driver



Tero Marttila <terom@fixme.fi>


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   241


    ; SPI













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   242


        rcall       SPI_Init








33






0d0309787be3
Working matrix scan



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Working matrix scan



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	; Matrix













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Working matrix scan



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   245


		rcall		Matrix_Init	








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dfb246ecaf23
8x8 LED Matrix driver



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   246


	













dfb246ecaf23
8x8 LED Matrix driver



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   247


    ; Run








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0d0309787be3
Working matrix scan



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   248


		; rcall		Main_ScanRaw








34






4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode



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   249


		; rcall		Main_ScanTest








38






f430b507a885
Working font rendering on LED matrix



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   250


        ; rcall       Main_ScanCode













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Working font rendering on LED matrix



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   251


        rcall       Main_ScanText








31






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8x8 LED Matrix driver



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8x8 LED Matrix driver



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end:













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8x8 LED Matrix driver



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        rjmp        end













dfb246ecaf23
8x8 LED Matrix driver



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   255














arduino