tests

kern_wasm.asm

@@ -6,7 +6,7 @@
 ; Keep kern.asm as the historical TASM source and use this file for the
 ; reproducible Open Watcom build.
 
-.286
+.386
 .model large
 
 .data
@@ -20,6 +20,7 @@ public  _IPXclose_socket
 public  _IPXlisten
 public  _xmemmove
 public  _Net_Call
+public  _C32_LoadNios_Probe
 public  _Net_Call_VLM_Raw
 
 _IPXinit proc far
@@ -287,4 +288,61 @@ vlm_raw_done:
 _Net_Call_VLM_Raw endp
 
 
+; int C32_LoadNios_Probe(UI axfunc, void *outbuf)
+;
+; Probe the Client32/NIOS INT 2F entry used by DeveloperNet dninit.asm:
+;   AX = axfunc, normally D8C1h
+;   INT 2Fh
+;   AX = 0000 on success
+;   ESI and ECX contain Client32/NIOS function pointers/data
+;
+; outbuf layout, little endian:
+;   +00 word AX after int 2F
+;   +02 dword ESI after int 2F
+;   +06 dword ECX after int 2F
+;   +0A word BX
+;   +0C word CX low
+;   +0E word DX
+;   +10 word SI low
+;   +12 word DI low
+_C32_LoadNios_Probe proc far
+        push    bp
+        mov     bp, sp
+
+        push    ds
+        push    es
+        push    si
+        push    di
+
+        xor     ecx, ecx
+        xor     esi, esi
+        xor     ebx, ebx
+        xor     edx, edx
+        xor     edi, edi
+
+        mov     ax, [bp+6]
+        int     2Fh
+
+        les     di, dword ptr [bp+8]
+
+        mov     es:[di+0], ax
+        mov     dword ptr es:[di+2], esi
+        mov     dword ptr es:[di+6], ecx
+        mov     es:[di+10], bx
+        mov     es:[di+12], cx
+        mov     es:[di+14], dx
+        mov     es:[di+16], si
+        ; DI currently points at outbuf, so store caller-visible DI is not useful.
+        mov     word ptr es:[di+18], 0
+
+        pop     di
+        pop     si
+        pop     es
+        pop     ds
+        pop     bp
+        xor     ah, ah
+        ret
+_C32_LoadNios_Probe endp
+
+
 end