diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio')
| -rw-r--r-- | firmware/target/coldfire/iaudio/lcd-remote-iaudio.c | 45 |
1 files changed, 20 insertions, 25 deletions
diff --git a/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c b/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c index 139ebbc2a3..939f7347c4 100644 --- a/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c +++ b/firmware/target/coldfire/iaudio/lcd-remote-iaudio.c | |||
| @@ -172,77 +172,72 @@ static inline void _write_fast(unsigned data) | |||
| 172 | "swap %[data] \n" /* Shift data to upper byte */ | 172 | "swap %[data] \n" /* Shift data to upper byte */ |
| 173 | "lsl.l #8, %[data] \n" | 173 | "lsl.l #8, %[data] \n" |
| 174 | 174 | ||
| 175 | "move.l %%d0, %%d1 \n" /* precalculate opposite state of clock line */ | ||
| 176 | "eor.l %[cbit], %%d1 \n" | ||
| 177 | |||
| 175 | "lsl.l #1,%[data] \n" /* Shift out MSB */ | 178 | "lsl.l #1,%[data] \n" /* Shift out MSB */ |
| 176 | "bcc.s 1f \n" | 179 | "bcc.s 1f \n" |
| 177 | "eor.l %[dbit], %%d0 \n" /* 1: Flip data bit */ | 180 | "eor.l %[dbit], %%d0 \n" /* 1: Flip data bit */ |
| 181 | "eor.l %[dbit], %%d1 \n" /* for both clock states */ | ||
| 178 | "1: \n" | 182 | "1: \n" |
| 179 | "eor.l %[cbit], %%d0 \n" /* Flip clock bit */ | 183 | "move.l %%d1, (%[gpo0]) \n" /* Output new state and set CLK */ |
| 180 | "move.l %%d0, (%[gpo0]) \n" /* Output new state */ | 184 | "move.l %%d0, (%[gpo0]) \n" /* reset CLK */ |
| 181 | "eor.l %[cbit], %%d0 \n" /* Flip clock bit */ | ||
| 182 | "move.l %%d0, (%[gpo0]) \n" /* Output new state */ | ||
| 183 | 185 | ||
| 184 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ | 186 | "lsl.l #1,%[data] \n" /* ..unrolled.. */ |
| 185 | "bcc.s 1f \n" | 187 | "bcc.s 1f \n" |
| 186 | "eor.l %[dbit], %%d0 \n" | 188 | "eor.l %[dbit], %%d0 \n" |
| 189 | "eor.l %[dbit], %%d1 \n" | ||
| 187 | "1: \n" | 190 | "1: \n" |
| 188 | "eor.l %[cbit], %%d0 \n" | 191 | "move.l %%d1, (%[gpo0]) \n" |
| 189 | "move.l %%d0, (%[gpo0]) \n" | ||
| 190 | "eor.l %[cbit], %%d0 \n" | ||
| 191 | "move.l %%d0, (%[gpo0]) \n" | 192 | "move.l %%d0, (%[gpo0]) \n" |
| 192 | 193 | ||
| 193 | "lsl.l #1,%[data] \n" | 194 | "lsl.l #1,%[data] \n" |
| 194 | "bcc.s 1f \n" | 195 | "bcc.s 1f \n" |
| 195 | "eor.l %[dbit], %%d0 \n" | 196 | "eor.l %[dbit], %%d0 \n" |
| 197 | "eor.l %[dbit], %%d1 \n" | ||
| 196 | "1: \n" | 198 | "1: \n" |
| 197 | "eor.l %[cbit], %%d0 \n" | 199 | "move.l %%d1, (%[gpo0]) \n" |
| 198 | "move.l %%d0, (%[gpo0]) \n" | ||
| 199 | "eor.l %[cbit], %%d0 \n" | ||
| 200 | "move.l %%d0, (%[gpo0]) \n" | 200 | "move.l %%d0, (%[gpo0]) \n" |
| 201 | 201 | ||
| 202 | "lsl.l #1,%[data] \n" | 202 | "lsl.l #1,%[data] \n" |
| 203 | "bcc.s 1f \n" | 203 | "bcc.s 1f \n" |
| 204 | "eor.l %[dbit], %%d0 \n" | 204 | "eor.l %[dbit], %%d0 \n" |
| 205 | "eor.l %[dbit], %%d1 \n" | ||
| 205 | "1: \n" | 206 | "1: \n" |
| 206 | "eor.l %[cbit], %%d0 \n" | 207 | "move.l %%d1, (%[gpo0]) \n" |
| 207 | "move.l %%d0, (%[gpo0]) \n" | ||
| 208 | "eor.l %[cbit], %%d0 \n" | ||
| 209 | "move.l %%d0, (%[gpo0]) \n" | 208 | "move.l %%d0, (%[gpo0]) \n" |
| 210 | 209 | ||
| 211 | "lsl.l #1,%[data] \n" | 210 | "lsl.l #1,%[data] \n" |
| 212 | "bcc.s 1f \n" | 211 | "bcc.s 1f \n" |
| 213 | "eor.l %[dbit], %%d0 \n" | 212 | "eor.l %[dbit], %%d0 \n" |
| 213 | "eor.l %[dbit], %%d1 \n" | ||
| 214 | "1: \n" | 214 | "1: \n" |
| 215 | "eor.l %[cbit], %%d0 \n" | 215 | "move.l %%d1, (%[gpo0]) \n" |
| 216 | "move.l %%d0, (%[gpo0]) \n" | ||
| 217 | "eor.l %[cbit], %%d0 \n" | ||
| 218 | "move.l %%d0, (%[gpo0]) \n" | 216 | "move.l %%d0, (%[gpo0]) \n" |
| 219 | 217 | ||
| 220 | "lsl.l #1,%[data] \n" | 218 | "lsl.l #1,%[data] \n" |
| 221 | "bcc.s 1f \n" | 219 | "bcc.s 1f \n" |
| 222 | "eor.l %[dbit], %%d0 \n" | 220 | "eor.l %[dbit], %%d0 \n" |
| 221 | "eor.l %[dbit], %%d1 \n" | ||
| 223 | "1: \n" | 222 | "1: \n" |
| 224 | "eor.l %[cbit], %%d0 \n" | 223 | "move.l %%d1, (%[gpo0]) \n" |
| 225 | "move.l %%d0, (%[gpo0]) \n" | ||
| 226 | "eor.l %[cbit], %%d0 \n" | ||
| 227 | "move.l %%d0, (%[gpo0]) \n" | 224 | "move.l %%d0, (%[gpo0]) \n" |
| 228 | 225 | ||
| 229 | "lsl.l #1,%[data] \n" | 226 | "lsl.l #1,%[data] \n" |
| 230 | "bcc.s 1f \n" | 227 | "bcc.s 1f \n" |
| 231 | "eor.l %[dbit], %%d0 \n" | 228 | "eor.l %[dbit], %%d0 \n" |
| 229 | "eor.l %[dbit], %%d1 \n" | ||
| 232 | "1: \n" | 230 | "1: \n" |
| 233 | "eor.l %[cbit], %%d0 \n" | 231 | "move.l %%d1, (%[gpo0]) \n" |
| 234 | "move.l %%d0, (%[gpo0]) \n" | ||
| 235 | "eor.l %[cbit], %%d0 \n" | ||
| 236 | "move.l %%d0, (%[gpo0]) \n" | 232 | "move.l %%d0, (%[gpo0]) \n" |
| 237 | 233 | ||
| 238 | "lsl.l #1,%[data] \n" | 234 | "lsl.l #1,%[data] \n" |
| 239 | "bcc.s 1f \n" | 235 | "bcc.s 1f \n" |
| 240 | "eor.l %[dbit], %%d0 \n" | 236 | "eor.l %[dbit], %%d0 \n" |
| 237 | "eor.l %[dbit], %%d1 \n" | ||
| 241 | "1: \n" | 238 | "1: \n" |
| 242 | "eor.l %[cbit], %%d0 \n" | 239 | "move.l %%d1, (%[gpo0]) \n" |
| 243 | "move.l %%d0, (%[gpo0]) \n" | 240 | "move.l %%d0, (%[gpo0]) \n" |
| 244 | "eor.l %[cbit], %%d0 \n" | ||
| 245 | "move.l %%d0, (%[gpo0]) \n" | ||
| 246 | 241 | ||
| 247 | "move.w %%d3, %%sr \n" /* Restore interrupt level */ | 242 | "move.w %%d3, %%sr \n" /* Restore interrupt level */ |
| 248 | : /* outputs */ | 243 | : /* outputs */ |