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authorH. Peter Anvin <hpa@zytor.com>2002-05-22 23:01:06 +0000
committerH. Peter Anvin <hpa@zytor.com>2002-05-22 23:01:06 +0000
commit52c9ad7b3c0842b24b30e75a8b3b9679c36086a3 (patch)
treeadae8ead07128e069476e2566e416688f47ec6b1
parent0c60815d9167e0ecdb17fcc364ecee47f622660f (diff)
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Add %elif preprocessor test
-rw-r--r--test/elif.asm36
1 files changed, 36 insertions, 0 deletions
diff --git a/test/elif.asm b/test/elif.asm
new file mode 100644
index 0000000..057ce5f
--- /dev/null
+++ b/test/elif.asm
@@ -0,0 +1,36 @@
+%macro DosPrintMsg 1+
+%ifnid %1
+section .data
+%%str_to_print:db %1
+section .text
+ mov dx,%%str_to_print
+ mov ah,9
+ int 0x21
+%else
+ mov dx,(%1)
+ mov ah,9
+ int 0x21
+%endif
+%endmacro
+
+%macro DosExit 1
+%if (%1) == 0
+;use short-form return 0 exit
+ int 0x20
+%elif ((%1) < 256) && ((%1) > 0)
+ mov ax,0x4C00 | (%1)
+ int 0x21
+%else
+%error Invalid return value
+%endif
+%endmacro
+
+org 0x100
+ DosPrintMsg predefined_str
+ DosPrintMsg "Using string with macro-defined label",10,0
+ DosExit 0
+ DosExit 1
+ DosExit 256
+
+section .data
+predefined_str:db "Using string with predefined label",10,0