Miroirs/planckforth
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This commit is contained in:
Koichi Nakamura 2020-12-29 14:49:42 +09:00
parent a4188e7066
commit ec0a3082a5
2 changed files with 9 additions and 5 deletions
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3
README.md
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@ -16,4 +16,5 @@ $ make
| t | type | ( n -- ) Print character |
| j | jump | ( -- ) Unconditional branch. |
| J | 0jump | ( a -- ) Jump if a == 0. |
| f | find | ( c -- ) Find CFA of word 'c' |
| f | find | ( c -- xt ) Get execution token of c |
| x | execute | ( xt -- ... ) Run the execution token |

11
planck.xxd
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@ -6,12 +6,12 @@
00000028: 3400 2000 0100 0000 e_ehsize,e_phentsize,e_phnum,e_shentsize
00000030: 0000 0000 0100 0000 e_shnum,e_shstrndx,<phdr> PT_LOAD
00000038: 0000 0000 0080 0408 p_offset,p_vaddr=0x08048000
00000040: 0000 0000 f001 0000 p_paddr,p_filesz
00000040: 0000 0000 0002 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, <here>
00000058: c081 0408 4881 0408 <latest:init="f">, <interpreter>(5c: key)
00000060: c881 0408 8880 0408 (60: find) (64: quit)
00000068: 8880 0408 0000 0000 (68: 0) (6c: 0)
00000058: f081 0408 4881 0408 <latest:init="x">, <interpreter>(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)
00000078: 0410 adff 2000 0000 (7a: next)
@ -56,3 +56,6 @@
000001d8: 5904 6639 c374 048b cmpw %ax,%bx;je 2f;movl (%ecx),%ecx
000001e0: 09eb f483 c108 890c jmp 1b(-12);<2>addl $8,%ecx;movl %ecx,(%esp)
000001e8: 24ad ff20 0000 0000 next;
000001f0: c081 0408 0178 0000 "x" execute
000001f8: fc81 0408 58ff 2000 popl %eax; jmp *(%eax)