The /tests/pc folder is now /tests/pcx86 (to be consistent with the associated emulator)

tests/pcx86/exec/exec.asm

@@ -0,0 +1,58 @@
+.model tiny
+.code
+
+ExecBlk Struc
+        Psp     dw      ?
+        Cmdline dw      ?
+        CmdSeg  dw      ?
+        FCB1    dw      ?
+        FCB1seg dw      ?
+        FCB2    dw      ?
+        FCB2seg dw      ?
+ExecBlk ends
+
+        org     100h
+
+main    proc
+        lea     bx,pspblk
+        mov     sp,bx
+        call    resize
+
+        mov     execb.psp,0             ; copy our environment
+        mov     execb.cmdline,80h       ; pass command line as is
+        mov     execb.FCB1,5ch
+        mov     execb.FCB2,6ch
+        mov     execb.cmdseg,cs
+        mov     execb.FCB1seg,cs
+        mov     execb.FCB2seg,cs
+        lea     dx,execf
+        push    ds
+        pop     es
+        lea     bx,execb
+        mov     ax,4b00h
+        int     21h
+merr:
+        mov     ax,4c00h
+        int     21h
+main    endp
+resize  proc
+        add     bx,15
+        mov     cl,4
+        shr     bx,cl
+        mov     ax,cs
+        add     bx,ax
+        mov     ah,4ah
+        int     21h
+        jc      merr
+        ret
+resize  endp
+
+
+execf   db      "123.EXE",0             ; ASCIIZ pathname of file to be
+execd
+execb   ExecBlk <>
+_stack  dw      1000h dup(?)
+
+pspblk  label   byte
+
+        end     main