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authorTucker Evans <tuckerevans24@gmail.com>2019-02-18 07:35:54 -0500
committerTucker Evans <tuckerevans24@gmail.com>2019-02-18 07:35:54 -0500
commite8b1808eaf87a49e4c34ebbfb66854baa627418c (patch)
tree8a4bb15321992702b6b26e34bd2ed3a55bb7b0d9 /alarm
parent6cc5652a8af3361288393718ec2adb2889c9af1e (diff)
Moves assignments to given course folder.
Diffstat (limited to 'alarm')
-rw-r--r--alarm/alarm.asm65
-rw-r--r--alarm/assign.rst25
2 files changed, 0 insertions, 90 deletions
diff --git a/alarm/alarm.asm b/alarm/alarm.asm
deleted file mode 100644
index dd094ed..0000000
--- a/alarm/alarm.asm
+++ /dev/null
@@ -1,65 +0,0 @@
-;
-;30h-39h hold the 7seg bit patterns
- mov 30h, #11000000B
- mov 31h, #11111001B
- mov 32h, #10100100B
- mov 33h, #10110000B
- mov 34h, #10011001B
- mov 35h, #10010010B
- mov 36h, #10000010B
- mov 37h, #10000111B
- mov 38h, #10000000B
- mov 39h, #10011000B
-
- mov
-start:
-
-
-
-jmp start
-;40h-42h hold the 3 digits to display
-
-display:
- mov acc, 50h
- mov b, #1000
- div ab
- mov 40h, acc
- mov acc, b
- mov b, #100
- div ab
- mov 41h, acc; save 100's digit
- mov acc, b ;put remainder in a
- mov b, #10 ;find 10's & 1's digit
- div ab
- mov 42h, acc ;save 10's digit
- mov 43h, b ;save 1's digit
-
-
-
-;display:
- mov r1, #40h ;digits[0]
-
-loop: ;for each digit
- mov acc, #30h
- mov r3, acc ;save acc;next blob:
-
-;safe if you don't care about the
-;bits of P3 other than p3.3 & p3.4
- mov a, r1 ;picks which
- cpl a ;7seg to use p3.3 &
- anl a, #03h ;p3.4 are a func
- rl a ;of the low2 bits of
- rl a ;the addr where the
- rl a ;digits live
- mov p1, #0ffh;undraw previous
- mov p3, a ;set new 7seg
- mov a, r3 ;restore acc
-
-; p1 = pattern[digit[i]]
- add a, @r1
- mov r0, acc
- mov p1, @r0
- inc r1
-; mov p1, #0ffh
- cjne r1, #44h, loop
- ret
diff --git a/alarm/assign.rst b/alarm/assign.rst
deleted file mode 100644
index f9c802a..0000000
--- a/alarm/assign.rst
+++ /dev/null
@@ -1,25 +0,0 @@
-===========
-Alarm clock
-===========
-
-Write an 8051 program which implements an alarm clock. This project will
-have two phases, the first of which is described here. The alarm clock
-runs all the time, with the current time displayed on the four 7-segment
-displays. In this first phase your clock needs to:
- 1. use timers to keep time updated to the second
- 2. switch between 12 hour and 24 hour modes based switch bank.0 (0==12
- hr, 1==24hr)
- 3. if you are in 12 hour mode, use the decimal point on the last
- 7-segment display to indicate AM or PM (off = AM, on == PM)
- 4. switch between display of hours:minutes and minutes:seconds based on
- switch bank.1 (0==hours:minutes, 1==minutes:seconds)
- 5. keep the decimal point of the second 7-segment display lit as a
- visual separator
-
-AM/PM should remain indicated regardless of which display mode you are
-using.
-
-You do not (yet) need to be able to:
- - set the time (pick a starting value)
- - set an alarm time
- - perform an alarm