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Merge pull request #10 from Rozengarden/fix_chap04
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A few correction for chapter 4
shafu0x authored Apr 4, 2024
2 parents d10853b + ed549f0 commit 849d861
Showing 1 changed file with 5 additions and 5 deletions.
10 changes: 5 additions & 5 deletions content/04_memory.ipynb
Original file line number Diff line number Diff line change
@@ -56,7 +56,7 @@
" \n",
" def access(self, offset, size): return self.memory[offset:offset+size]\n",
" def load (self, offset): return self.access(offset, 32)\n",
" def store (self, offset, value): self.memory[offset:len(value)] = value"
" def store (self, offset, value): self.memory[offset:offset+len(value)] = value"
]
},
{
@@ -86,7 +86,7 @@
" def store(self, offset, value):\n",
" memory_expansion_cost = 0\n",
" \n",
" if len(self.memory) <= offset:\n",
" if len(self.memory) <= offset + len(value):\n",
" \n",
" expansion_size = 0\n",
" \n",
@@ -96,9 +96,9 @@
" self.memory = [0x00 for _ in range(32)]\n",
" \n",
" # extend memory more if needed\n",
" if len(self.memory) - offset < 0:\n",
" expansion_size += offset - len(self.memory)\n",
" self.memory.append(0x00 * expansion_size)\n",
" if len(self.memory) < offset + len(value):\n",
" expansion_size += offset + len(value) - len(self.memory)\n",
" self.memory.extend([0x00] * expansion_size)\n",
" \n",
" memory_expansion_cost = expansion_size**2 # simplified!\n",
" \n",

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