diff options
Diffstat (limited to 'modules/objfmts/bin/tests/multisect/multisect1.asm')
| -rw-r--r-- | modules/objfmts/bin/tests/multisect/multisect1.asm | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/modules/objfmts/bin/tests/multisect/multisect1.asm b/modules/objfmts/bin/tests/multisect/multisect1.asm new file mode 100644 index 0000000..d9699b7 --- /dev/null +++ b/modules/objfmts/bin/tests/multisect/multisect1.asm @@ -0,0 +1,31 @@ +[BITS 32] + +[MAP all] +; This file is loaded as a DOS .COM file. +[SEGMENT _TEXT start=0 vstart=100h] + +; shrink & relocate stack: + mov sp, stack_ends ; NASM puts 460h here - + ; 9B0h is desired. + mov bx, sp + mov cl, 4 + shr bx, cl + mov ah, 4Ah ; DOS resize mem.block + int 21h + +[SEGMENT GATESEG align=1 follows=_TEXT vstart=0] +; label to use for copying this segment at run-time. +gate0cpy: +dd 0 + +; 32-bit ring-0 protected mode code that interacts +; with the VMM (Win3.x/9x kernel). To be relocated +; at run-time to memory dynamically allocated with +; DPMI, and called through a call-gate from ring-3. +; vstart=0 makes some calculations easier. + +; Reserve space for stack: +[SEGMENT .bss follows=GATESEG align=16] + resb 400h +stack_ends: + |