better error handling
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1 changed files with 7 additions and 0 deletions
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@ -51,6 +51,13 @@ fn handleMemoryCommand(memory: *mem.Memory, it: anytype) !void {
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const value = try std.fmt.parseUnsigned(u8, maybe_value.?, 10);
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_ = try memory.writeByte(addr, value);
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}
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} else {
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std.debug.print(
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\\Invalid argument '{s}'. Usage:
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\\ mem read <addr>
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\\ mem write <adrr> <value>
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\\
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, .{next_argument});
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}
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}
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}
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