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| -rw-r--r-- | readme.md | 10 |
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@@ -4,3 +4,13 @@ its a forth for linux x86\_64. mostly made for personal stuff. if you use it and it breaks, too bad public domain + +## forth registers +there are a set of 'virtual registers' (see moving forth part 1) + +W, the working register, is r11. +X, the secondary working register, is r12. +IP, the instruction pointer, is r13. +SP, the working stack pointer, is r14. +RSP, the return stack pointer, is rsp. +TOS, the top of the stack, is r15. |