CODEHEADER(XT_COLD,4,"cold") main: ; Debugger requires the 'main' symbol. reset: mov #5A80h, &WDTCTL ; Watchdog off mov #0A500h, &MPUCTL0 ; Write password to enable access to MPU mov FLASHSTART>>4, &MPUSEGB1 ; B1 = Start of memory mov AMFORTH_START>>4, &MPUSEGB2 ; B2 = 0x10000 (Segment 3 is upper mem) mov #7577h, &MPUSAM ; write protect core system. mov #0A501h, &MPUCTL0 ; Enable MPU mov.b #0, &MPUCTL0+1 ; Disable MPU access ;------------------------------------------------------------------------------ ; Init Clock mov #0A500h, &CSCTL0 ; Enable access to clock registers mov #0, &CSCTL3 ; Set all clock dividers to /1 mov.b #0, &CSCTL0+1 ; Disable access to clock registers ;------------------------------------------------------------------------------ ; Forth registers MOV #RSTACK,SP ; set up stack MOV #PSTACK,PSP MOV #UAREA,UP ; initial user pointer CLR R15 ; now hand over to Forth with WARM (a colon word) MOV #XT_WARM+2,IP NEXT