source:
trunk/minix/lib/i386/em/em_cmf4.s@
10
| Last change on this file since 10 was 9, checked in by , 15 years ago | |
|---|---|
| File size: 249 bytes | |
| Rev | Line | |
|---|---|---|
| [9] | 1 | .sect .text; .sect .rom; .sect .data; .sect .bss |
| 2 | .define .cmf4 | |
| 3 | ||
| 4 | .sect .text | |
| 5 | .cmf4: | |
| 6 | mov bx,sp | |
| 7 | xor cx,cx | |
| 8 | flds 8(bx) | |
| 9 | flds 4(bx) | |
| 10 | fcompp ! compare and pop operands | |
| 11 | fstsw ax | |
| 12 | wait | |
| 13 | sahf | |
| 14 | je 1f | |
| 15 | jb 2f | |
| 16 | dec cx | |
| 17 | jmp 1f | |
| 18 | 2: | |
| 19 | inc cx | |
| 20 | 1: | |
| 21 | mov ax,cx | |
| 22 | ret |
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