From 6515bace46c558739d0bf280da2c95569e12beca Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Tue, 15 Jun 2021 20:41:34 -0700 Subject: . --- html/linux/advent2017/1a.mu.html | 85 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 html/linux/advent2017/1a.mu.html (limited to 'html/linux') diff --git a/html/linux/advent2017/1a.mu.html b/html/linux/advent2017/1a.mu.html new file mode 100644 index 00000000..9eed512f --- /dev/null +++ b/html/linux/advent2017/1a.mu.html @@ -0,0 +1,85 @@ + + + + +~/play/mu/linux/advent2017/1a.mu.html + + + + + + + + +
+fn main -> _/ebx: int {
+  var input_stream: (stream byte 0x8000)
+  var input_stream_addr/esi: (addr stream byte) <- address input_stream
+
+  var sum/edi: int <- copy 0
+  read-line-from-real-keyboard input_stream_addr
+
+  var temp/eax: int <- read_digit input_stream_addr
+  var first_digit/ebx: int <- copy temp
+  var this_digit/edx: int <- copy temp
+
+  {
+    var done?/eax: boolean <- stream-empty? input_stream_addr
+    compare done?, 1
+    break-if-=
+
+    var next_digit/eax: int <- read_digit input_stream_addr
+    # hacky newline check
+    compare next_digit, 0
+    break-if-<
+
+    {
+      compare this_digit, next_digit
+      break-if-!=
+      sum <- add this_digit
+    }
+
+    this_digit <- copy next_digit
+
+    loop
+  }
+
+  # the last iteration will need to compare the last number to the first
+  {
+    compare this_digit, first_digit
+    break-if-!=
+    sum <- add this_digit
+  }
+
+  print-int32-decimal 0, sum
+
+  return 0/ok
+}
+
+fn read_digit input_stream_addr: (addr stream byte) -> _/eax: int {
+  var next_digit/eax: byte <- read-byte input_stream_addr
+  next_digit <- subtract 0x30
+  var next_digit/eax: int <- copy next_digit
+  return next_digit
+}
+
+ + + -- cgit 1.4.1-2-gfad0 d='n50' href='#n50'>50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231