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[16.git] / 16 / xw__ / mxit.asm

diff --git a/16/xw__/mxit.asm b/16/xw__/mxit.asm
new file mode 100755 (executable)
index 0000000..4f68fdd
--- /dev/null
+++ b/16/xw__/mxit.asm
@@ -0,0 +1,92 @@
+.387
+               PUBLIC  MX_VIDEOSEGMENT
+               PUBLIC  MX_CODESEGMENT
+               PUBLIC  MXINIT
+               PUBLIC  MXTERM
+MX_TEXT                SEGMENT PARA PUBLIC USE16 'CODE'
+               ASSUME CS:MX_TEXT, DS:DGROUP, SS:DGROUP
+       dec             bp
+       dec             di
+       inc             sp
+       inc             bp
+       pop             ax
+       and             byte ptr 69H[si],ch
+       bound           si,word ptr 61H[bp+si]
+       jb              L$3
+       and             byte ptr [di],ch
+       and             byte ptr 6fH[bp+di],al
+       jo              L$5
+       jb              L$2
+       push            2074H
+       sub             byte ptr 29H[bp+di],ah
+       and             byte ptr [bx+di],dh
+       cmp             word ptr [bx+di],di
+       xor             ch,byte ptr [di]
+       xor             word ptr [bx+di],di
+       cmp             word ptr [si],si
+       and             byte ptr 6cH[bx+di],al
+       ; The label referred to here is an undefined location
+       jae             0a0H
+       popa
+       outsb
+       ; The label referred to here is an undefined location
+       jb              0a1H
+       and             byte ptr 63H[bp+di],dl
+       outsw
+       ; The label referred to here is an undefined location
+       je              0acH
+    DB 69H
+MX_VIDEOSEGMENT:
+    DB 0, 0a0H
+MX_CODESEGMENT:
+    DW MX_TEXT
+MXINIT:
+       push            bp
+       mov             bp,sp
+       sub             sp,6
+       push            ds
+       push            si
+       push            es
+       push            di
+       mov             word ptr -2[bp],0ffffH
+       mov             word ptr -4[bp],0a000H
+       mov             word ptr -6[bp],cs
+       mov             ax,1686H
+       int             2fH
+       or              ax,ax
+       jne             L$1
+       mov             ax,0aH
+       mov             bx,cs
+       int             31H
+       jb              L$4
+       mov             word ptr -6[bp],ax
+       mov             ax,2
+       mov             bx,0a000H
+       int             31H
+       jb              L$4
+       mov             word ptr -4[bp],ax
+L$1:
+       mov             ds,word ptr -6[bp]
+       mov             word ptr MX_CODESEGMENT,ds
+    DB 8bH, 46H
+L$2:
+       cld
+       mov             word ptr MX_VIDEOSEGMENT,ax
+    DB 0c7H, 46H, 0feH
+L$3:
+       add             byte ptr [bx+si],al
+L$4:
+       mov             ax,word ptr -2[bp]
+       pop             di
+       pop             es
+L$5:
+       pop             si
+       pop             ds
+       mov             sp,bp
+       pop             bp
+       retf
+MXTERM:
+       xor             ax,ax
+       retf
+MX_TEXT                ENDS
+               END