Assembly Source for Algorithms
PRELIMINARY
* BASE_3 Used for EXE + flw cmd*
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.include ºsvar20.hº | ;defines variables for flash0 | ||
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| ;or for flash1 array |
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MAX_FLW | .set | 10000 | ;Allow only 10000 flw pulses. |
INV_ER | .set | 018h | ;INVERSE ERASE COMMAND WORD |
FLWR | .set | 6 | ;FLASH WRITE COMMAND WORD |
FLWR_EX | .set | 047h | ;FLASH WRITE EXEBIN COMMAND WORD |
STOP | .set | 0 | ;RESET REGISTER COMMAND WORD |
| .def | FLWS |
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| .ref PROTECT,SEG_ST,SEG_END | ||
| .ref | DELAY,REGS,ARRAY | |
.sect ºfl_wrtº
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* FLWS: This routine | is used to check for bits | * | ||
* in depletion mode. If any are found, flash± | * | |||
* write is used to recover. | * | |||
* | AR1 | Flash±write pulse count. | * | |
* | AR2 | Used for main banz loop. | * | |
* | BASE_0 Parameter passed to Set_mode. | * | ||
* | BASE_1 | Used for flash address. | * | |
* | BASE_2 | Used for flash data. | * | |
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FLWS:
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* | Code initialization section | * |
* Initialize test loop counters: | * | |
* | AR1 is the number of flash±write pulses. | * |
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SETC | INTM | ;Disable maskable ints. |
LACL | SEG_ST | ;Get segment start address. |
AND | #04000h | ;Get array start address. |
SACL | FL_ST | ;Save array start address. |
SPLK | #0,ERROR | ;Reset error flag. |
LAR | AR1,#0 | ;Set FLW count to 0. |
SPLK | #STOP,BASE_0 | ;Flash STOP command. |
CALL | SET_MODE | ;Disable any flash commands. |
INV_ERASE |
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SPLK | #INV_ER,BASE_0 | |
CALL | SET_MODE | ;Set inverse±erase mode. |
BLDD | #FL_ST,BASE_1 | ;Array start address. |
LAR | AR2,#31 | ;Loop count. |
MAR | *,AR2 |
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NEXT_IVERS |
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LACL | BASE_1 | ;Get address. |
TBLR | BASE_2 | ;Dummy read. |
TBLR | BASE_2 | ;Dummy read. |
TBLR | BASE_2 | ;Read data. |
ADD | #1 | ;Increment address. |
SACL | BASE_1 | ;Save address. |
ZAC |
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ADD | BASE_2 | ;Add data. |
PRELIMINARY |
