# jewelforth 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.