From 6b0eeceaab28651c42b67deb582a447785fee04c Mon Sep 17 00:00:00 2001 From: Koichi Nakamura Date: Tue, 29 Dec 2020 15:46:19 +0900 Subject: [PATCH] Add "?" and "$" --- README.md | 4 +++- planck.xxd | 12 ++++++++++-- 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 3760d4c..c0184ae 100644 --- a/README.md +++ b/README.md @@ -24,4 +24,6 @@ $ cat helloworld.fs | ./plank | f | find | ( c -- xt ) Get execution token of c | | x | execute | ( xt -- ... ) Run the execution token | | @ | fetch | ( addr -- a ) Load value from addr | -| ! | store | ( a addr -- ) Store a to addr | +| ! | store | ( a addr -- ) Store value to addr | +| ? | cfetch | ( addr -- c ) Load byte from addr | +| $ | cstore | ( c addr -- ) Store byte to addr | diff --git a/planck.xxd b/planck.xxd index 8d88ade..48c0ecc 100644 --- a/planck.xxd +++ b/planck.xxd @@ -6,10 +6,10 @@ 00000028: 3400 2000 0100 0000 e_ehsize,e_phentsize,e_phnum,e_shentsize 00000030: 0000 0000 0100 0000 e_shnum,e_shstrndx, PT_LOAD 00000038: 0000 0000 0080 0408 p_offset,p_vaddr=0x08048000 -00000040: 0000 0000 3002 0000 p_paddr,p_filesz +00000040: 0000 0000 6002 0000 p_paddr,p_filesz 00000048: 0000 0008 0700 0000 p_memsz(128MB),PF_X|PF_W|PF_R 00000050: 0010 0000 0200 0000 p_align, -00000058: 1882 0408 4881 0408 , (5c: key) +00000058: 4882 0408 4881 0408 , (5c: key) 00000060: c881 0408 f881 0408 (60: find) (64: execute) 00000068: 9881 0408 f0ff ffff (68: jump) (6c: -16) 00000070: be5c 8004 08bd 0080 (70: movl $interpreter,%esi) (75: movl $0x10048000,%ebp) @@ -68,3 +68,11 @@ 00000218: 0082 0408 0121 0000 !: store 00000220: 2482 0408 585b 8918 popl %eax; popl %ebx; movl %ebx,(%eax) 00000228: adff 2000 0000 0000 next; + +00000230: 1882 0408 013f 0000 ?: cfetch +00000238: 3c82 0408 580f b600 popl %eax; movzbl (%eax),%eax; +00000240: 50ad ff20 0000 0000 pushl %eax; next; + +00000248: 3082 0408 0124 0000 $: cstore +00000250: 5482 0408 585b 8818 popl %eax; popl %ebx; movb %bl,(%eax) +00000258: adff 2000 0000 0000 next;