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| -rw-r--r-- | subx/Readme.md | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/subx/Readme.md b/subx/Readme.md index b03176f0..a0fff7ca 100644 --- a/subx/Readme.md +++ b/subx/Readme.md @@ -126,7 +126,9 @@ This program sums the first 10 natural numbers. By convention I use horizontal tabstops to help read instructions, dots to help follow the long lines, comments before groups of instructions to describe their high-level purpose, and comments at the end of complex instructions to state the low-level -operation they perform. Numbers are always in hexadecimal (base 16). +operation they perform. Numbers are always in hexadecimal (base 16); the '0x' +prefix is optional, and I tend to include it as a reminder when numbers look +like decimal numbers or words. As you can see, programming in SubX requires the programmer to know the (kinda complex) structure of x86 instructions, all the different operands that an |