| author | Tero Marttila <terom@fixme.fi> |
| Mon, 23 Aug 2010 01:07:45 +0300 | |
| changeset 37 | df0bdaf0eb08 |
| parent 36 | 06e1e554acbb |
| child 38 | f430b507a885 |
| permissions | -rw-r--r-- |
| 31 | 1 |
.nolist |
2 |
.include "m168def.inc" ; Same family as 328P |
|
3 |
.list |
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4 |
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5 |
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6 |
;; Interrupt Vector |
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7 |
.org 0x00 |
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8 |
rjmp init |
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9 |
||
| 33 | 10 |
.org OC1Aaddr |
11 |
; Timer/Counter1 Compare Output A |
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12 |
rjmp Timer_OC1A |
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13 |
||
14 |
.org OC0Aaddr |
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15 |
; Timer/Counter0 Compare Output A |
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16 |
rjmp Timer_OC0A |
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17 |
||
18 |
.org SPIaddr |
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19 |
rjmp SPI_Interrupt |
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20 |
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
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parents:
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changeset
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21 |
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22 |
cseg0: .org 0x40 |
| 33 | 23 |
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| 31 | 24 |
;; Syntax |
25 |
.include "macros.inc" |
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26 |
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27 |
;; SPI |
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28 |
.include "spi.inc" |
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29 |
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| 33 | 30 |
;; Matrix |
31 |
.include "matrix.inc" |
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32 |
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33 |
;; Timer |
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34 |
.set TIMER0_CB_A = Matrix_ScanCol |
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35 |
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36 |
.include "timer.inc" |
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37 |
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| 31 | 38 |
;; Utils |
39 |
.include "delay.inc" |
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40 |
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41 |
;; Scan through each pixel |
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| 33 | 42 |
Main_ScanRaw: |
| 31 | 43 |
; init |
44 |
ldi r18, 1 |
|
45 |
ldi r19, 1 |
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46 |
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47 |
scan_loop: |
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48 |
; write out to SPI |
|
49 |
sts spi_outbuf + 0, r18 ; rows |
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50 |
sts spi_outbuf + 1, r19 ; columns |
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51 |
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52 |
rcall SPI_SendRecv |
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53 |
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54 |
; delay |
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55 |
ldi r20, 5 ; ~4M cycles |
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56 |
rcall VarDelay |
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57 |
||
| 33 | 58 |
; cols |
59 |
lsl r19 ; next col |
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60 |
brcc scan_loop ; refresh if we didn't overflow |
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61 |
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62 |
rol r19 ; shift back from C into r21.0 |
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63 |
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| 31 | 64 |
; rows |
| 33 | 65 |
lsl r18 ; next row |
| 31 | 66 |
brcc scan_loop ; refresh if we didn't overflow |
67 |
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68 |
rol r18 ; shift back from C into r20.0 |
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69 |
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70 |
; one scan completed |
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71 |
ret |
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72 |
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| 33 | 73 |
;; Scan with test pattern |
74 |
Main_ScanTest: |
|
75 |
; Generate pattern |
|
76 |
; end of buffer |
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parents:
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changeset
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77 |
ldi r17, MATRIX_BUF_COLS |
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parents:
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78 |
ldi XL, low(matrix_colbuf + MATRIX_BUF_COLS) |
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parents:
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79 |
ldi XH, high(matrix_colbuf + MATRIX_BUF_COLS) |
| 33 | 80 |
|
81 |
; bit pattern |
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82 |
ldi r16, 0b11 |
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83 |
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84 |
st_loop: |
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parents:
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85 |
; put, pre-decrement |
| 33 | 86 |
st -X, r16 |
87 |
||
88 |
; flip |
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89 |
rol r16 |
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90 |
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91 |
; loop until zero |
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92 |
dec r17 |
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93 |
brne st_loop |
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94 |
||
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parents:
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95 |
st_animate: |
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parents:
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96 |
; Animate |
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97 |
; shift right |
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36
06e1e554acbb
Rename Matrix_ShiftRight to ShiftLeft, improve matrix.inc documentation
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parents:
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changeset
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98 |
rcall Matrix_ShiftLeft |
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parents:
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99 |
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parents:
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changeset
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100 |
; wait for X/16th of a second |
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Pause refresh during load cycles
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parents:
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101 |
ldi XH, high(8 * 1024) |
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f1ac13235304
Pause refresh during load cycles
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parents:
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changeset
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102 |
ldi XL, low(8 * 1024) |
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
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parents:
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103 |
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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changeset
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104 |
rcall Timer_Sleep |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
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parents:
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changeset
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105 |
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parents:
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changeset
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106 |
; loop |
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parents:
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changeset
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107 |
rjmp st_animate |
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parents:
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changeset
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108 |
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Tero Marttila <terom@fixme.fi>
parents:
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109 |
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parents:
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110 |
;; Display device code memory |
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parents:
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111 |
Main_ScanCode: |
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4646abd073fb
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parents:
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112 |
; Code start |
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113 |
ldi ZL, low(cseg0 * 2) ; word addr |
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
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parents:
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114 |
ldi ZH, high(cseg0 * 2) ; word addr |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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changeset
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115 |
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f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
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116 |
; Pause refresh |
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f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
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changeset
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117 |
cli |
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f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
118 |
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parents:
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changeset
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119 |
; Load initial frame |
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4646abd073fb
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parents:
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changeset
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120 |
; to first frame, starting from right edge |
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parents:
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changeset
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121 |
ldi r17, 8 |
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4646abd073fb
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parents:
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changeset
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122 |
ldi XL, low(matrix_colbuf + 16) |
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4646abd073fb
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parents:
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changeset
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123 |
ldi XH, high(matrix_colbuf + 16) |
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4646abd073fb
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parents:
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changeset
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124 |
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parents:
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125 |
sc_load_initial: |
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4646abd073fb
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parents:
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changeset
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126 |
; one byte |
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parents:
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changeset
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127 |
lpm r16, Z+ |
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parents:
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changeset
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128 |
st -X, r16 |
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parents:
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129 |
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parents:
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changeset
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130 |
; loop until zero |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
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parents:
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changeset
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131 |
dec r17 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
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132 |
brne sc_load_initial |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
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133 |
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36
06e1e554acbb
Rename Matrix_ShiftRight to ShiftLeft, improve matrix.inc documentation
Tero Marttila <terom@fixme.fi>
parents:
35
diff
changeset
|
134 |
; the first ShiftLeft below will jump to the end of the framebuffer |
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06e1e554acbb
Rename Matrix_ShiftRight to ShiftLeft, improve matrix.inc documentation
Tero Marttila <terom@fixme.fi>
parents:
35
diff
changeset
|
135 |
|
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34
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parents:
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changeset
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136 |
sc_next: |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
137 |
; Show this frame |
|
36
06e1e554acbb
Rename Matrix_ShiftRight to ShiftLeft, improve matrix.inc documentation
Tero Marttila <terom@fixme.fi>
parents:
35
diff
changeset
|
138 |
rcall Matrix_ShiftLeft |
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34
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
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parents:
33
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changeset
|
139 |
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
140 |
; Load next frame |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
141 |
ldi r17, 8 |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
142 |
ldi XL, low(matrix_colbuf + 8) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
143 |
ldi XH, high(matrix_colbuf + 8) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
144 |
|
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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changeset
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145 |
sc_load_next: |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
146 |
; one byte |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
147 |
lpm r16, Z+ |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
148 |
st -X, r16 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
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parents:
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changeset
|
149 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
150 |
; loop until zero |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
151 |
dec r17 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
152 |
brne sc_load_next |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
153 |
|
|
35
f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
154 |
; Enable refresh |
|
f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
155 |
sei |
|
f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
156 |
|
|
34
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
157 |
; Animate from this -> next frame |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
158 |
ldi r17, 8 ; 8 columns |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
159 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
160 |
sc_anim: |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
161 |
; wait for X/16th of a second |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
162 |
ldi XH, high(2 * 1024) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
163 |
ldi XL, low(2 * 1024) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
164 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
165 |
rcall Timer_Sleep |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
166 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
167 |
; shift |
|
36
06e1e554acbb
Rename Matrix_ShiftRight to ShiftLeft, improve matrix.inc documentation
Tero Marttila <terom@fixme.fi>
parents:
35
diff
changeset
|
168 |
rcall Matrix_ShiftLeft |
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34
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
169 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
170 |
; loop until zero |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
171 |
dec r17 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
172 |
brne sc_anim |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
173 |
|
|
35
f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
174 |
; Pause refresh |
|
f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
175 |
cli |
|
f1ac13235304
Pause refresh during load cycles
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
176 |
|
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34
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
177 |
; Move next -> this |
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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changeset
|
178 |
ldi r17, 8 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
179 |
ldi XL, low(matrix_colbuf + 16) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
180 |
ldi XH, high(matrix_colbuf + 16) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
181 |
ldi YL, low(matrix_colbuf + 8) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
182 |
ldi YH, high(matrix_colbuf + 8) |
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
183 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
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changeset
|
184 |
sc_move_this: |
|
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parents:
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diff
changeset
|
185 |
; one byte |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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changeset
|
186 |
ld r16, -Y |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
187 |
st -X, r16 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
188 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
189 |
; loop until zero |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
190 |
dec r17 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
191 |
brne sc_move_this |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
192 |
|
|
4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
193 |
sbi PIND, PIND7 |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
194 |
|
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
195 |
; Load next frame, and animate |
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4646abd073fb
Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
196 |
rjmp sc_next |
| 33 | 197 |
|
| 31 | 198 |
Main: |
199 |
init: |
|
200 |
; Stack |
|
201 |
ldi r16, high(RAMEND) |
|
202 |
ldi r17, low(RAMEND) |
|
203 |
out SPH, r16 |
|
204 |
out SPL, r17 |
|
205 |
||
206 |
; Enable interrupts |
|
207 |
sei |
|
208 |
||
| 33 | 209 |
; DEBUG |
210 |
sbi DDRD, PORTD7 |
|
211 |
cbi PORTD, PORTD7 |
|
212 |
||
213 |
; Timer |
|
214 |
rcall Timer_Init |
|
215 |
||
| 31 | 216 |
; SPI |
217 |
rcall SPI_Init |
|
| 33 | 218 |
|
219 |
; Matrix |
|
220 |
rcall Matrix_Init |
|
| 31 | 221 |
|
222 |
; Run |
|
| 33 | 223 |
; rcall Main_ScanRaw |
|
34
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Matrix_Shift, Main_ScanText animation and Main_ScanCode
Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
224 |
; rcall Main_ScanTest |
| 31 | 225 |
|
|
34
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Tero Marttila <terom@fixme.fi>
parents:
33
diff
changeset
|
226 |
rcall Main_ScanCode |
| 31 | 227 |
|
228 |
end: |
|
229 |
rjmp end |
|
230 |