From 24247e1ac6323999b38a721fa258b233dcfaf517 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <programble@gmail.com>
Date: Fri, 2 Dec 2016 00:16:56 -0500
Subject: Day 1

---
 day01.asm | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 day01.asm

(limited to 'day01.asm')

diff --git a/day01.asm b/day01.asm
new file mode 100644
index 0000000..725c9b2
--- /dev/null
+++ b/day01.asm
@@ -0,0 +1,72 @@
+%include "sys.asm"
+global _start
+
+section .bss
+input: resb 1
+
+section .data
+position:
+  .x: dd 0
+  .y: dd 0
+direction:
+  .x: dd 0
+  .y: dd -1
+
+section .text
+_start:
+  .loopTurn:
+    syscall SYS_READ, FD_STDIN, input, 1
+    test rax, rax
+    jz .breakTurn
+
+    cmp byte [input], 'R'
+    jne .elseLeft
+    .thenRight:
+      rol qword [direction], 32
+      neg dword [direction.x]
+      jmp .endLeft
+    .elseLeft:
+      neg dword [direction.x]
+      rol qword [direction], 32
+    .endLeft:
+
+    xor r12, r12
+    .loopDigit:
+      syscall SYS_READ, FD_STDIN, input, 1
+      test rax, rax
+      jz .breakDigit
+      movzx rax, byte [input]
+
+      cmp al, ','
+      je .breakDigit
+
+      shl r12, 1
+      lea r12, [r12 + r12 * 4 - '0']
+      add r12, rax
+    jmp .loopDigit
+    .breakDigit:
+
+    syscall SYS_READ, FD_STDIN, input, 1
+
+    mov eax, r12d
+    imul eax, [direction.x]
+    add [position.x], eax
+    imul r12d, [direction.y]
+    add [position.y], r12d
+  jmp .loopTurn
+  .breakTurn:
+
+  mov eax, [position.x]
+  sar eax, 31
+  mov ecx, eax
+  xor ecx, [position.x]
+  sub ecx, eax
+
+  mov eax, [position.y]
+  sar eax, 31
+  mov edx, eax
+  xor edx, [position.y]
+  sub edx, eax
+
+  add ecx, edx
+syscall SYS_EXIT, rcx
-- 
cgit 1.4.1

cb6c6d42d8e0a9284897c90d6047f8ad8842'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/src/log/?id=1a5ecb6c6d42d8e0a9284897c90d6047f8ad8842&amp;follow=1'>root</a>/<a href='/src/log/www?id=1a5ecb6c6d42d8e0a9284897c90d6047f8ad8842&amp;follow=1'>www</a>/<a href='/src/log/www/text.causal.agency?id=1a5ecb6c6d42d8e0a9284897c90d6047f8ad8842&amp;follow=1'>text.causal.agency</a>/<a href='/src/log/www/text.causal.agency/010-irc-suite.7?id=1a5ecb6c6d42d8e0a9284897c90d6047f8ad8842&amp;follow=1'>010-irc-suite.7</a> (<a href='/src/log/www/text.causal.agency/010-irc-suite.7?id=1a5ecb6c6d42d8e0a9284897c90d6047f8ad8842'>unfollow</a>)</div><div class='content'><table class='list nowrap'><tr class='nohover'><th></th><th class='left'>Commit message (<a href='/src/log/www/text.causal.agency/010-irc-suite.7?id=1a5ecb6c6d42d8e0a9284897c90d6047f8ad8842&amp;showmsg=1&amp;follow=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-09-08 22:11:15 -0400'>2021-09-08</span></td><td><a href='/src/commit/bin/git-comment.pl?id=5908b0ae469e5d20d6b05eb3aabf2ea7b3d65311&amp;follow=1'>Handle dirty lines in git-comment</a></td><td>June McEnroe</td></tr>
<tr><td><span title='2021-09-08 21:59:30 -0400'>2021-09-08</span></td><td><a href='/src/commit/bin/man1/git-comment.1?id=a237a866bba3b7c4618ccef1347c0c01009e66f3&amp;follow=1'>Document and install git-comment</a></td><td>June McEnroe</td></tr>
<tr><td><span title='2021-09-08 21:05:33 -0400'>2021-09-08</span></td><td><a href='/src/commit/bin/git-comment.pl?id=ce5d7b18c0143dda7b3c9a78260b6e5ce7eec11a&amp;follow=1'>Add repeat and all options to git-comment</a></td><td>June McEnroe</td></tr>
<tr><td><span title='2021-09-08 19:05:36 -0400'>2021-09-08</span></td><td><a href='/src/commit/bin/git-comment.pl?id=c06e03fe68c3f55ff251607a534c75ac5d419af8&amp;follow=1'>Add group threshold to git-comment</a></td><td>June McEnroe