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added header for quiz problems

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Alexander Sisco 2025-02-11 15:13:25 -08:00
parent b7b3297d06
commit f7e8d4c444
1 changed files with 8 additions and 24 deletions

32
exercises/110_quiz9.zig
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@ -70,30 +70,14 @@ const testing = std.testing;
pub fn main() !void {
var PORTB: u4 = 0b0000; // only 4 bits wide for simplicity
// The LCD display on our robot is not behaving as expected. In order to
// get it functioning properly, we must initialize it by sending the
// correct sequence of half-bytes to PORTB's lower four pins.
//
// See if you can solve the following problems to get the lcd working and
// reveal the message our robot has stored in his EEPROM.
//
// .--. .--.
// | | | |
// +--------------------------+
// | +----------------------+ |
// | | | |
// | | XXXXXXXX XXXXXXXX | | <-- LCD
// | | | |
// | +----------------------+ |
// | _________ |
// | |_|_|_|_|_| |
// | |
// +--------------------------+
// | |
//
// The last two problems throw you a bit of a curve ball. Try solving them
// on your own. If you need help, scroll to the bottom to see some in depth
// explanations on toggling, setting, and clearing bits in Zig.
// ------------------------------------------------------------------------
// Quiz
// ------------------------------------------------------------------------
// See if you can solve the following problems. The last two problems throw
// you a bit of a curve ball. Try solving them on your own. If you need
// help, scroll to the bottom of main to see some in depth explanations on
// toggling, setting, and clearing bits in Zig.
print("Toggle pins with XOR on PORTB\n", .{});
print("-----------------------------\n", .{});