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| -rw-r--r-- | subx/Readme.md | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/subx/Readme.md b/subx/Readme.md index 22a1878b..d80d06a8 100644 --- a/subx/Readme.md +++ b/subx/Readme.md @@ -2,12 +2,13 @@ Bytecode interpreter for a subset of the 32-bit x86 ISA. -* Only instructions that operate on the 32-bit E*X registers. +* Only instructions that operate on the 32-bit E*X registers. (No + floating-point yet.) * Only instructions that assume a flat address space; no instructions that use segment registers. * No instructions that check the carry or parity flags; arithmetic operations - always operate on signed numbers (while bitwise operations always operate on - unsigned numbers) + always operate on signed integers (while bitwise operations always operate + on unsigned integers) * Only relative jump instructions (with 8-bit or 16-bit offsets). These rules yield a clean instruction set. We don't care about running |