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-rw-r--r--amforth-6.5/avr8/devices/atmega32/words/no-jtag.asm14
-rw-r--r--amforth-6.5/avr8/devices/atmega32/words/no-wdt.asm22
-rw-r--r--amforth-6.5/avr8/devices/atmega32/words/sleep.asm24
3 files changed, 60 insertions, 0 deletions
diff --git a/amforth-6.5/avr8/devices/atmega32/words/no-jtag.asm b/amforth-6.5/avr8/devices/atmega32/words/no-jtag.asm
new file mode 100644
index 0000000..352a4bb
--- /dev/null
+++ b/amforth-6.5/avr8/devices/atmega32/words/no-jtag.asm
@@ -0,0 +1,14 @@
+; ( -- )
+; ( -- )
+; MCU
+; disable jtag at runtime
+VE_NOJTAG:
+ .dw $FF05
+ .db "-jtag",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_NOJTAG
+XT_NOJTAG:
+ .dw PFA_NOJTAG
+PFA_NOJTAG:
+
+ jmp_ DO_NEXT
diff --git a/amforth-6.5/avr8/devices/atmega32/words/no-wdt.asm b/amforth-6.5/avr8/devices/atmega32/words/no-wdt.asm
new file mode 100644
index 0000000..4a12261
--- /dev/null
+++ b/amforth-6.5/avr8/devices/atmega32/words/no-wdt.asm
@@ -0,0 +1,22 @@
+; ( -- )
+; MCU
+; disable watch dog timer at runtime
+VE_NOWDT:
+ .dw $ff04
+ .db "-wdt"
+ .dw VE_HEAD
+ .set VE_HEAD = VE_NOWDT
+XT_NOWDT:
+ .dw PFA_NOWDT
+PFA_NOWDT:
+
+; Reset WDT
+ wdr
+; Write logical one to WDTOE and WDE
+ in_ temp1, WDTCR
+ ori temp1, (1<<WDTOE)|(1<<WDE)
+ out WDTCR, temp1
+; Turn off WDT
+ ldi temp1, (0<<WDE)
+ out_ WDTCR, temp1
+ jmp_ DO_NEXT
diff --git a/amforth-6.5/avr8/devices/atmega32/words/sleep.asm b/amforth-6.5/avr8/devices/atmega32/words/sleep.asm
new file mode 100644
index 0000000..778fa32
--- /dev/null
+++ b/amforth-6.5/avr8/devices/atmega32/words/sleep.asm
@@ -0,0 +1,24 @@
+; ( mode -- )
+; MCU
+; put the controller into the specified sleep mode
+VE_SLEEP:
+ .dw $ff05
+ .db "sleep", 0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_SLEEP
+XT_SLEEP:
+ .dw PFA_SLEEP
+PFA_SLEEP:
+ andi tosl, 7 ; leave only legal mode bits
+ swap tosl ; move to correct location (bits 6-4, atmega32)
+ ori tosl, $80 ; set the SE bit (atmega32: bit 7, not bit 0)
+ out_ MCUCR, tosl ; set the sleep config (atmega32: MCUCR not SMCR)
+ sleep ; nighty-night
+;; the 4 lower bits of MCUCR should not be touched
+ in_ tosl, MCUCR
+ andi tosl, $0F
+ out_ MCUCR, tosl
+ ;clr tosl ; need to clean up the SMCR reg before we leave
+ ;out SMCR, tosl ; 0 protects against accidental sleeps
+ loadtos ; pop argument from stack
+ jmp DO_NEXT