Miroirs/planckforth
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Add "@" and "!"

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This commit is contained in:
Koichi Nakamura 2020-12-29 15:23:38 +09:00
parent 50e0408a73
commit 15588df034
2 changed files with 12 additions and 2 deletions
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2
README.md
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@ -23,3 +23,5 @@ $ cat helloworld.fs | ./plank
| J | 0jump | ( a -- ) Jump if a == 0. |
| 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 |

12
planck.xxd
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@ -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,<phdr> PT_LOAD
00000038: 0000 0000 0080 0408 p_offset,p_vaddr=0x08048000
00000040: 0000 0000 0002 0000 p_paddr,p_filesz
00000040: 0000 0000 3002 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: f081 0408 4881 0408 <latest:init="x">, <interpreter>(5c: key)
00000058: 1882 0408 4881 0408 <latest:init="!">, <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)
@ -60,3 +60,11 @@
000001f0: c081 0408 0178 0000 x: execute
000001f8: fc81 0408 58ff 2000 popl %eax; jmp *(%eax)
00000200: f081 0408 0140 0000 @: fetch
00000208: 0c82 0408 588b 0050 popl %eax; movl (%eax),%eax;push %eax;
00000210: adff 2000 0000 0000 next;
00000218: 0082 0408 0121 0000 !: store
00000220: 2482 0408 585b 8918 popl %eax; popl %ebx; movl %ebx,(%eax)
00000228: adff 2000 0000 0000 next;