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Diffstat (limited to 'test/bintest.asm')
-rw-r--r-- | test/bintest.asm | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/bintest.asm b/test/bintest.asm new file mode 100644 index 0000000..57a3b2d --- /dev/null +++ b/test/bintest.asm @@ -0,0 +1,59 @@ +;Testname=unoptimized; Arguments=-O0 -fbin -obintest.bin; Files=stdout stderr bintest.bin +;Testname=optimized; Arguments=-Ox -fbin -obintest.bin; Files=stdout stderr bintest.bin + +; test source file for assembling to binary files +; build with: +; nasm -f bin -o bintest.com bintest.asm + +; When run (as a DOS .COM file), this program should print +; hello, world +; on two successive lines, then exit cleanly. + +; This file should test the following: +; [1] Define a text-section symbol +; [2] Define a data-section symbol +; [3] Define a BSS-section symbol +; [4] Define a NASM local label +; [5] Reference a NASM local label +; [6] Reference a text-section symbol in the text section +; [7] Reference a data-section symbol in the text section +; [8] Reference a BSS-section symbol in the text section +; [9] Reference a text-section symbol in the data section +; [10] Reference a data-section symbol in the data section +; [11] Reference a BSS-section symbol in the data section + + BITS 16 + ORG 0x100 + + SECTION .text + + jmp start ; [6] + +endX mov ax,0x4c00 ; [1] + int 0x21 + +start mov byte [bss_sym],',' ; [1] [8] + mov bx,[bssptr] ; [7] + mov al,[bx] + mov bx,[dataptr] ; [7] + mov [bx],al + mov cx,2 +.loop mov dx,datasym ; [1] [4] [7] + mov ah,9 + push cx + int 0x21 + pop cx + loop .loop ; [5] [6] + mov bx,[textptr] ; [7] + jmp bx + + SECTION .data + +datasym db 'hello world', 13, 10, '$' ; [2] +bssptr dw bss_sym ; [2] [11] +dataptr dw datasym+5 ; [2] [10] +textptr dw endX ; [2] [9] + + SECTION .bss + +bss_sym resb 1 ; [3] |