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Diffstat (limited to 'amforth-6.5/msp430/drivers/flash/words/i-store.asm')
-rw-r--r--amforth-6.5/msp430/drivers/flash/words/i-store.asm32
1 files changed, 0 insertions, 32 deletions
diff --git a/amforth-6.5/msp430/drivers/flash/words/i-store.asm b/amforth-6.5/msp430/drivers/flash/words/i-store.asm
deleted file mode 100644
index 5febc64..0000000
--- a/amforth-6.5/msp430/drivers/flash/words/i-store.asm
+++ /dev/null
@@ -1,32 +0,0 @@
-;Z I! x a-addr -- store cell in Instruction memory
- CODEHEADER(XT_STOREI,2,"!i")
- MOV @PSP+,W ; get data to write
- BIT #1,TOS
- JNZ IST_X ; if not even address, do not write
- CMP @TOS,W
- JZ IST_X ; if memory is desired value, do not write
- ; is it within Main flash?
- CMP #FLASHSTART,TOS
- JNC IST_INFO ; if borrow, adr<start, check if Info
- CMP #FLASHEND+1,TOS
- JNC IST_OK ; if no borrow, adr>end, check if Info
-IST_INFO: ; is it within Info flash?
- CMP #INFOSTART,TOS
- JNC IST_RAM ; if borrow, adr<start, assume it's RAM
- CMP #INFOEND+1,TOS
- JC IST_RAM ; if no borrow, adr>end, assume it's RAM
-IST_OK: ; Address is either in Main flash, or in Info flash.
- ; Byte/word write from flash.
- ; Assumes location to write is already erased
- ; Assumes ACCVIE = NMIIE = OFIE = 0, watchdog disabled.
- ; Per section 5.3.3 of MSP430 Family User's Guide
- DINT ; Disable interrupts
- MOV #FWKEY,&FCTL3 ; Clear LOCK
- MOV #FWKEY+WRT,&FCTL1 ; Enable write
-IST_RAM: ; If RAM, jump here to write. FCTL1,FCTL3,EINT are superfluous
- MOV W,0(TOS) ; Write word to flash location
- MOV #FWKEY,&FCTL1 ; Done. Clear WRT.
- MOV #FWKEY+LOCK,&FCTL3 ; Set LOCK
- EINT ; Enable interrupts
-IST_X: MOV @PSP+,TOS ; pop new TOS
- NEXT