| author | Tero Marttila <terom@paivola.fi> |
| Sun, 20 Apr 2014 23:51:57 +0300 | |
| changeset 80 | 5254ba612630 |
| parent 42 | 99a179b64e6a |
| permissions | -rw-r--r-- |
| 33 | 1 |
;; LED Matrix driver |
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f430b507a885
Working font rendering on LED matrix
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;; vim: set ft=avr: |
| 33 | 3 |
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.dseg |
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;; I/O addresses |
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; Control port |
| 33 | 7 |
.set MATRIX_DDR = DDRB |
8 |
.set MATRIX_PORT = PORTB |
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; Pin for matrix driver Output Enable |
| 33 | 11 |
.set MATRIX_OE = PORTB1 ; Output Enable, active low, externally pulled high |
12 |
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;; Matrix properties |
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; Matrix width in columns |
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.set MATRIX_COLS = 8 ; physical columns |
| 33 | 16 |
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; Framebuffer width in columns |
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.set MATRIX_BUF_COLS = 16 ; framebuffer columns |
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;; SPI addresses |
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; row drivers (8 bits) |
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.set MATRIX_SPI_ROW = 0 ; row mask source |
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; column sinks (8 bits) |
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.set MATRIX_SPI_COL = 1 ; column scan sink |
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;; Matrix state |
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; Matrix framebuffer |
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; this holds the columns data as a 1 byte bitmask of row data per column (8 bits -> 8 rows) |
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matrix_colbuf: .byte MATRIX_BUF_COLS ; framebuffer (row data by column) |
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; Column scan bit |
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; in the matrix refresh loop, we push out each column's row data in turn |
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; this bit tracks the currently refreshing column |
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matrix_colbit: .byte 1 ; column scan bit |
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; Matrix viewport offset |
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; the visible matrix data is taken directly from the framebuffer, but it can be taken at an arbitrary offset |
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; this determines the starting offset for the visible viewport's left edge from the start of the framebuffer in columns |
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matrix_colshift: .byte 1 ; viewport left column offset |
| 33 | 41 |
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;; Text |
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; Maximum length of message |
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.set TEXT_MAXLENGTH = 64 |
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; Scrolling speed (kiloticks per frame) |
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.set TEXT_SPEED = 1 |
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text_buffer: .byte TEXT_MAXLENGTH ; display message buffer |
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text_offset: .byte 1 ; current offset in text |
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| 33 | 52 |
.cseg |
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;; Normalize the outputs, enable the matrix, and set up buffers |
| 33 | 55 |
Matrix_Init: |
56 |
; Setup ENable port |
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57 |
sbi MATRIX_PORT, MATRIX_OE ; high -> disabled |
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58 |
sbi MATRIX_DDR, MATRIX_OE ; out |
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59 |
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; blank hardware |
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ldi r16, 0 |
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sts spi_outbuf + 0, r16 ; column sinks |
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sts spi_outbuf + 1, r16 ; row drivers |
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; write out |
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rcall SPI_SendRecv |
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; enable |
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cbi MATRIX_PORT, MATRIX_OE ; low -> enabled |
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; init buffers |
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ldi r16, 0b1 |
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sts matrix_colbit, r16 |
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ldi r16, 0 |
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sts matrix_colshift, r16 |
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ldi r16, 0 |
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ldi r17, MATRIX_BUF_COLS |
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ldi YL, low(matrix_colbuf) |
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ldi YH, high(matrix_colbuf) |
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m_init_mzero: |
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st Y+, r16 |
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; loop until zero |
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dec r17 |
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brne m_init_mzero |
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; Use Timer0, 32k cycles -> 500Hz scan rate |
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ldi r16, 32 |
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rcall Timer0_Start |
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; done |
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ret |
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;; Scan the matrix's next column from the viewport |
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;; Interrupt-driven |
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Matrix_ScanCol: |
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; Save registers |
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push r16 |
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push r17 |
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104 |
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| 33 | 105 |
; Column bit |
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; load |
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lds r16, matrix_colbit |
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; start packet |
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cbi SPI_PORT, SPI_SS |
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111 |
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; output single column-enable bit |
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out SPDR, r16 |
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; Compute col index |
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ldi r17, 0 |
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m_sc_colidx: |
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; shift |
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lsr r16 |
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; done if we shifted the bit out |
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brcs m_sc_row |
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; count shifts |
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inc r17 |
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rjmp m_sc_colidx |
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m_sc_row: |
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; Column shift |
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; load |
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lds r16, matrix_colshift |
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133 |
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; add to col index |
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135 |
add r17, r16 |
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136 |
|
| 33 | 137 |
; Row mask |
138 |
; base |
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ldi XL, low(matrix_colbuf) |
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140 |
ldi XH, high(matrix_colbuf) |
| 33 | 141 |
|
142 |
; offset |
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143 |
ldi r16, 0 |
| 33 | 144 |
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145 |
add XL, r17 |
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adc XH, r16 |
| 33 | 147 |
|
148 |
; load |
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149 |
ld r16, X |
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150 |
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; output full row-enable bitmask |
| 33 | 152 |
rcall SPI_Wait |
153 |
out SPDR, r16 |
|
154 |
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155 |
; Update col bit |
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156 |
lds r16, matrix_colbit |
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157 |
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158 |
; shift left |
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159 |
lsl r16 |
|
160 |
brcc m_sc_colout |
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161 |
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162 |
; overflow, take bit from C |
|
163 |
rol r16 |
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164 |
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165 |
m_sc_colout: |
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166 |
; store |
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167 |
sts matrix_colbit, r16 |
|
168 |
||
169 |
; End of packet |
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170 |
rcall SPI_Wait |
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171 |
sbi SPI_PORT, SPI_SS |
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172 |
||
173 |
; Done |
|
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174 |
pop r17 |
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175 |
pop r16 |
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176 |
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| 33 | 177 |
ret |
178 |
||
179 |
;; Scan the matrix once in one go |
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;; XXX: doesn't support colshift |
| 33 | 181 |
Matrix_ScanFull: |
182 |
; Row index |
|
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183 |
ldi ZL, low(matrix_colbuf) |
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184 |
ldi ZH, high(matrix_colbuf) |
| 33 | 185 |
|
186 |
; Column bit |
|
187 |
ldi r25, 0 |
|
188 |
sec ; set C |
|
189 |
||
190 |
m_pulse_col: |
|
191 |
; rotate bit left from C |
|
192 |
rol r25 |
|
193 |
||
194 |
; overflow |
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195 |
brcs m_pulse_end |
|
196 |
||
197 |
; store in output buffer |
|
198 |
sts spi_outbuf + 1, r25 |
|
199 |
||
200 |
; Row mask |
|
201 |
ld r16, Z+ |
|
202 |
||
203 |
sts spi_outbuf + 0, r16 |
|
204 |
||
205 |
; Display |
|
206 |
rcall SPI_SendRecv |
|
207 |
||
208 |
; Next column |
|
209 |
rjmp m_pulse_col |
|
210 |
||
211 |
m_pulse_end: |
|
212 |
; Done |
|
213 |
ret |
|
214 |
||
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215 |
;; Reset the viewport to the start (left edge) of the framebuffer |
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216 |
Matrix_ShiftZero: |
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217 |
; Constant offset |
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ldi r16, 0 |
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219 |
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220 |
; Set |
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221 |
rjmp Matrix_ShiftSet |
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222 |
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223 |
;; Shift the viewport one column to the left in the framebuffer, looping around to the end of the framebuffer |
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224 |
; This moves the visible output one column to the right |
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|
225 |
Matrix_ShiftLeft: |
|
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226 |
; Decrement-loop current value |
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227 |
; current value |
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|
228 |
lds r16, matrix_colshift |
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|
229 |
|
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|
230 |
; shift window left |
|
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|
231 |
dec r16 |
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|
232 |
|
|
36
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|
233 |
; test for underflow (MSB/N set) -> don't skip reset |
|
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|
234 |
brpl Matrix_ShiftSet |
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|
235 |
|
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|
236 |
; reset window to right edge |
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237 |
ldi r16, MATRIX_BUF_COLS - MATRIX_COLS |
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|
238 |
|
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36
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|
239 |
; Set |
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|
240 |
rjmp Matrix_ShiftSet |
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|
241 |
|
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36
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|
242 |
;; Shift the viewport one column to the right in the framebuffer, looping around to the start of the FB |
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|
243 |
; This moves the visible output one column to the left |
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|
244 |
Matrix_ShiftRight: |
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|
245 |
; Increment-loop current value |
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|
246 |
; current value |
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|
247 |
lds r16, matrix_colshift |
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|
248 |
|
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|
249 |
; shift window right |
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|
250 |
inc r16 |
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|
251 |
|
|
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|
252 |
; test for overflow -> don't skip reset |
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|
253 |
cpi r16, MATRIX_BUF_COLS - MATRIX_COLS |
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|
254 |
brlt Matrix_ShiftSet |
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|
255 |
|
|
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|
256 |
; reset window to left edge |
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|
257 |
ldi r16, 0 |
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|
258 |
|
|
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|
259 |
; Set |
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|
260 |
rjmp Matrix_ShiftSet |
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|
261 |
|
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|
262 |
;; Set the matrix viewport offset |
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263 |
;; Input: r16 |
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|
264 |
Matrix_ShiftSet: |
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265 |
; store new value |
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266 |
sts matrix_colshift, r16 |
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|
267 |
|
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|
268 |
; done |
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269 |
ret |
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|
270 |
|
|
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|
271 |
;; Rewinds the currently visible viewport to the beginning of the framebuffer |
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272 |
; This copies the currently visible viewport data to the beginning of the framebuffer and resets the offset |
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|
273 |
Matrix_ShiftRewind: |
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|
274 |
; current view offset |
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275 |
ldi XL, low(matrix_colbuf) |
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276 |
ldi XH, high(matrix_colbuf) |
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277 |
|
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|
278 |
; offset |
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279 |
lds r16, matrix_colshift |
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|
280 |
|
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281 |
; add |
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282 |
ldi r17, 0 |
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|
283 |
add XL, r16 |
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284 |
adc XH, r17 |
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|
285 |
|
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|
286 |
; start of framebuffer |
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287 |
ldi YL, low(matrix_colbuf + 0) |
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288 |
ldi YH, high(matrix_colbuf + 0) |
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|
289 |
|
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|
290 |
; viewport width |
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291 |
ldi r17, MATRIX_COLS |
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|
292 |
|
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|
293 |
matrix_shiftrew_loop: |
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|
294 |
; copy |
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|
295 |
ld r16, X+ |
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|
296 |
st Y+, r16 |
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|
297 |
|
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|
298 |
; count |
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299 |
dec r17 |
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300 |
brne matrix_shiftrew_loop |
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|
301 |
|
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|
302 |
; done, reset offset |
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303 |
rjmp MAtrix_ShiftZero |
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|
304 |
|
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|
305 |
|
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306 |
;; Load a NUL-terminated ASCII string from PGM into the text buffer |
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307 |
; Input: Z - Address of NUL-terminated ASCII string in PGM |
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308 |
Text_LoadString: |
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309 |
; Setup |
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310 |
; storage buffer |
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311 |
ldi YL, low(text_buffer) |
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312 |
ldi YH, high(text_buffer) |
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|
313 |
|
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314 |
; max. length |
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315 |
ldi r18, TEXT_MAXLENGTH |
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|
316 |
|
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|
317 |
text_loads_loop: |
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|
318 |
; Test max length |
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319 |
; count and check for overflow |
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320 |
dec r18 |
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|
321 |
brne text_loads_char |
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|
322 |
|
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|
323 |
; Load char |
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324 |
; force NUL |
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325 |
ldi r16, 0x00 |
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|
326 |
|
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|
327 |
text_loads_char: |
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328 |
; load next char |
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329 |
lpm r16, Z+ |
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|
330 |
|
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|
331 |
text_loads_store: |
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332 |
; Store and test NUL |
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333 |
; store it |
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|
334 |
st Y+, r16 |
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|
335 |
|
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336 |
; test for NUL |
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337 |
tst r16 |
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338 |
brne text_loads_loop |
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339 |
|
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d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
340 |
; Update scroll offset |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
341 |
; reset offset |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
342 |
ldi r17, 0 |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
343 |
sts text_offset, r17 |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
344 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
345 |
; done |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
346 |
ret |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
347 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
348 |
;; Shows the loaded string of ASCII text on the display, scrolling it horizontally |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
349 |
; Uses font.inc for rendering |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
350 |
; XXX: uses blocking timer sleeps and doesn't return until done |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
351 |
Text_ShowString: |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
352 |
; Load initial char |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
353 |
ldi XL, low(text_buffer + 0) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
354 |
ldi XH, high(text_buffer + 0) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
355 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
356 |
; load char |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
357 |
ld r16, X+ |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
358 |
push XL |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
359 |
push XH |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
360 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
361 |
; one column spacing |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
362 |
ldi YL, low(matrix_colbuf + 1) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
363 |
ldi YH, high(matrix_colbuf + 1) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
364 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
365 |
; render to framebuffer |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
366 |
rcall Font_Render |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
367 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
368 |
; reset viewport |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
369 |
rcall Matrix_ShiftZero |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
370 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
371 |
; Load next char |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
372 |
text_shows_next: |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
373 |
; next char |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
374 |
pop XH |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
375 |
pop XL |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
376 |
ld r16, X+ |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
377 |
push XL |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
378 |
push XH |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
379 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
380 |
; test NUL |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
381 |
tst r16 |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
382 |
breq text_shows_end |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
383 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
384 |
; offscreen |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
385 |
ldi YL, low(matrix_colbuf + 1 + 6 + 1) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
386 |
ldi YH, high(matrix_colbuf + 1 + 6 + 1) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
387 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
388 |
; render |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
389 |
rcall Font_Render |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
390 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
391 |
; Animate to next char |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
392 |
ldi r20, 7 |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
393 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
394 |
text_shows_animloop: |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
395 |
; sleep |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
396 |
ldi XH, high(TEXT_SPEED * 1024) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
397 |
ldi XL, low(TEXT_SPEED * 1024) |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
398 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
399 |
rcall Timer_Sleep |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
400 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
401 |
; shift |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
402 |
rcall Matrix_ShiftRight |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
403 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
404 |
; count |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
405 |
dec r20 |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
406 |
brne text_shows_animloop |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
407 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
408 |
; Rewind to next char |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
409 |
rcall Matrix_ShiftRewind |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
410 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
411 |
sbi PIND, PIND7 |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
412 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
413 |
; load next char and animate it in |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
414 |
rjmp text_shows_next |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
415 |
|
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
416 |
text_shows_end: |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
417 |
; Done |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
418 |
pop XH |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
419 |
pop XL |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
420 |
|
|
42
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
421 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
422 |
; Clear second frame |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
423 |
ldi YL, low(matrix_colbuf + 16) |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
424 |
ldi YH, high(matrix_colbuf + 16) |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
425 |
ldi r16, MATRIX_COLS |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
426 |
ldi r17, 0 |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
427 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
428 |
text_shows_end2: |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
429 |
st -Y, r17 |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
430 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
431 |
dec r16 |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
432 |
brne text_shows_end2 |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
433 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
434 |
; Blink |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
435 |
text_shows_end3: |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
436 |
; on |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
437 |
ldi r16, 0 |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
438 |
rcall Matrix_ShiftSet |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
439 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
440 |
; sleep |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
441 |
ldi XH, high(TEXT_SPEED * 6 * 1024) |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
442 |
ldi XL, low(TEXT_SPEED * 6 * 1024) |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
443 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
444 |
rcall Timer_Sleep |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
445 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
446 |
; off |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
447 |
ldi r16, 8 |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
448 |
rcall Matrix_ShiftSet |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
449 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
450 |
; sleep |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
451 |
ldi XH, high(TEXT_SPEED * 6 * 1024) |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
452 |
ldi XL, low(TEXT_SPEED * 6 * 1024) |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
453 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
454 |
rcall Timer_Sleep |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
455 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
456 |
; loop |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
457 |
rjmp text_shows_end3 |
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
458 |
|
|
99a179b64e6a
matrix: Text_ShowString blinking
Tero Marttila <terom@fixme.fi>
parents:
39
diff
changeset
|
459 |
; XXX: end |
|
39
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
460 |
ret |
|
d7eac199d323
Implement Text_Load/ShowString
Tero Marttila <terom@fixme.fi>
parents:
38
diff
changeset
|
461 |