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authorDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
committerDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
commit67d25d837ac55f28a366c0a3b262e439a6e75fc3 (patch)
treedf7715c7724c5935ab87c807f3b8b4ef529315e3 /amforth-6.5/msp430/devices/msp430f5529/words
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/msp430/devices/msp430f5529/words')
-rw-r--r--amforth-6.5/msp430/devices/msp430f5529/words/cold.asm41
-rw-r--r--amforth-6.5/msp430/devices/msp430f5529/words/env-mcu-info.asm10
-rw-r--r--amforth-6.5/msp430/devices/msp430f5529/words/usart-init.asm16
3 files changed, 67 insertions, 0 deletions
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