From 67d25d837ac55f28a366c0a3b262e439a6e75fc3 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Sat, 19 Aug 2017 12:15:28 +0200 Subject: Add AmForth --- .../msp430/devices/msp430f5529/words/cold.asm | 41 ++++++++++++++++++++++ .../devices/msp430f5529/words/env-mcu-info.asm | 10 ++++++ .../devices/msp430f5529/words/usart-init.asm | 16 +++++++++ 3 files changed, 67 insertions(+) create mode 100644 amforth-6.5/msp430/devices/msp430f5529/words/cold.asm create mode 100644 amforth-6.5/msp430/devices/msp430f5529/words/env-mcu-info.asm create mode 100644 amforth-6.5/msp430/devices/msp430f5529/words/usart-init.asm (limited to 'amforth-6.5/msp430/devices/msp430f5529/words') diff --git a/amforth-6.5/msp430/devices/msp430f5529/words/cold.asm b/amforth-6.5/msp430/devices/msp430f5529/words/cold.asm new file mode 100644 index 0000000..b16f18f --- /dev/null +++ b/amforth-6.5/msp430/devices/msp430f5529/words/cold.asm @@ -0,0 +1,41 @@ +CODEHEADER(XT_COLD, 4, "cold") +; ---------------------------------------------------------------------- + +main: ; Debugger requires the 'main' symbol. +reset: + + mov #5A80h, &WDTCTL ; Watchdog off + + ; Now it is time to initialize hardware. (Porting: Change this !) + + ;------------------------------------------------------------------------------ + ; Init Clock + + bis.w #40h, r2 + mov.w #20h, &166h + mov.w #144h, &168h + mov.w #1308h, &160h + mov.w #40h, &162h + mov.w #0F4h, &164h + nop + nop + nop + bic.w #40h, r2 + +reset_loop: + mov.w #0h, &16Eh + bic.w #2h, &102h + bit.w #2h, &102h + jc reset_loop + + ;------------------------------------------------------------------------------ + +; 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 diff --git a/amforth-6.5/msp430/devices/msp430f5529/words/env-mcu-info.asm b/amforth-6.5/msp430/devices/msp430f5529/words/env-mcu-info.asm new file mode 100644 index 0000000..621fc72 --- /dev/null +++ b/amforth-6.5/msp430/devices/msp430f5529/words/env-mcu-info.asm @@ -0,0 +1,10 @@ +ENVIRONMENT(XT_ENV_MCU_INFO,8,"mcu-info") + .DW XT_DOLITERAL + .dw mcuinfo + .DW XT_EXIT +mcuinfo: + ; first fixed sized elements + .dw RAMEND-RAMSTART ; RAM Size + .dw 0 ; EEPROM Size + .dw AMFORTH_START-1 ; max-dp + .dw 1 ; number of interrupts diff --git a/amforth-6.5/msp430/devices/msp430f5529/words/usart-init.asm b/amforth-6.5/msp430/devices/msp430f5529/words/usart-init.asm new file mode 100644 index 0000000..4bcd00c --- /dev/null +++ b/amforth-6.5/msp430/devices/msp430f5529/words/usart-init.asm @@ -0,0 +1,16 @@ + CODEHEADER(XT_USART,6,"+usart") + ; USCI_A0 + mov.b #030h, &P4SEL ; Use P4.4/P4.5 for USCI_A1 TXD/RXD + + ;------------------------------------------------------------------------------ + ; Init serial communication + + mov.b #UCSWRST, &UCA1CTL1 ; **Put state machine in reset** + bis.b #UCSSEL_2, &UCA1CTL1 ; SMCLK + + mov.w #4, &UCA1BRW ; 8 MHz 115200 Baud + mov.b #3Bh, &UCA1MCTL ; Modulation UCBRSx=5, UCBRFx=3, UCOS16 + + bic.b #UCSWRST, &UCA1CTL1 ; **Initialize USCI state machine** + + NEXT -- cgit v1.2.3