From: Robert Pengelly <robertapengelly@hotmail.com>
Date: Sun, 29 Sep 2024 15:27:04 +0000 (+0100)
Subject: Hand && in command line
X-Git-Url: https://git.candlhat.org/?a=commitdiff_plain;h=cccbbddf0aac72383004ed22485c378e25c29afd;p=chimaera.git

Hand && in command line
---

diff --git a/build/chimaera.img b/build/chimaera.img
index 2c9457a..a57cbef 100644
Binary files a/build/chimaera.img and b/build/chimaera.img differ
diff --git a/build/chimaera.vhd b/build/chimaera.vhd
index 1e70211..6fde73c 100644
Binary files a/build/chimaera.vhd and b/build/chimaera.vhd differ
diff --git a/src/Makefile.unix b/src/Makefile.unix
index 6377e4f..3c68507 100644
--- a/src/Makefile.unix
+++ b/src/Makefile.unix
@@ -29,7 +29,7 @@ chimaera.img: all
 	echo set PATH=A:\\DOS >> autoexec.bat
 #	echo '%PATH%\\temp.bat' >> autoexec.bat
 #	echo echo 123 >> temp.bat
-#	echo echo %PATH% >> temp.bat
+#	echo 'echo %PATH% && echo 123' >> temp.bat
 #	echo temp >> temp.bat
 
 	utils/dosfstools/mkdosfs --boot boot/freeldr/bootsect/fat12.bin --sectors 720 -F 12 -n "CHIMAERA OS" $@
diff --git a/src/apps/pcomm/list.asm b/src/apps/pcomm/list.asm
index 4afa475..99e82ff 100644
--- a/src/apps/pcomm/list.asm
+++ b/src/apps/pcomm/list.asm
@@ -25,7 +25,7 @@ _list_push:
     push    es
     push    ds
     
-    mov     ax,     4
+    mov     ax,     6
     xor     dx,     dx
     
     push    ax
@@ -39,6 +39,9 @@ _list_push:
     
     xor     bx,     bx
     
+    mov     ax,     word ptr [bp + 8]
+    mov     es:[bx + 2],        ax
+    
     mov     ax,     word ptr [bp + 6]
     mov     es:[bx],    ax
     
@@ -67,13 +70,13 @@ _list_push.got_head:
 _list_push.search:
 
     mov     es,     ax
-    mov     ax,     es:[bx + 2]
+    mov     ax,     es:[bx + 4]
     
     and     ax,     ax
     jnz     _list_push.search
     
     mov     dx,     word ptr [bp - 2]
-    mov     es:[bx + 2],    dx
+    mov     es:[bx + 4],    dx
 
 _list_push.done:
 
diff --git a/src/apps/pcomm/pcomm.asm b/src/apps/pcomm/pcomm.asm
index ef84c04..f1b5362 100644
--- a/src/apps/pcomm/pcomm.asm
+++ b/src/apps/pcomm/pcomm.asm
@@ -56,20 +56,21 @@ _main:
 
     and     cx,     cx
     jz      .L109
+
+.L125:
+
+    mov     dx,     1
+    push    dx
     
     mov     ax,     es:[di]
-    
-    push    ds
     push    ax
     
     mov     ax,     offset _scratch_list
     push    ax
     
     call    _list_push
-    add     sp,     2
+    add     sp,     6
     
-    pop     ax
-    pop     ds
     add     di,      2
     
     dec     cx
@@ -136,6 +137,9 @@ _main:
     cmp     word ptr cs:[_echo_line],       0
     je      .L115
     
+    cmp     word ptr es:[di + 2],       0
+    je      .L115
+    
     call    _writestr
     call    _crlf
 
@@ -154,7 +158,7 @@ _main:
     pop     di
     pop     ds
     
-    mov     ax,     word ptr es:[di + 2]
+    mov     ax,     word ptr es:[di + 4]
     push    es
     
     call    _free
@@ -1950,7 +1954,7 @@ _get_command:
     push    dx
     
     mov     word ptr [bp - 2],      0
-    mov     si,     offset _formatted_command
+    mov     si,    word ptr [bp + 4]
 
 _get_command.loop:
 
@@ -2003,7 +2007,10 @@ _get_command.null:
 
 _get_command.done:
 
-    mov     bx,     word ptr [bp - 2]
+    mov     ax,     word ptr [bp - 2]
+    
+    and     ax,     ax
+    jnz     _get_command.external
     
     pop     dx
     pop     ax
@@ -2012,16 +2019,23 @@ _get_command.done:
     add     sp,     2
     clc
     
+    mov     bx,     word ptr [bp + 4]
     pop     bp
     
-    and     bx,     bx
-    jz      _get_command.ret
-    
-    stc
+    ret
 
-_get_command.ret:
+_get_command.external:
 
-    mov     bx,     offset _formatted_command
+    pop     dx
+    pop     ax
+    pop     si
+    
+    add     sp,     2
+    stc
+    
+    mov     bx,     word ptr [bp + 4]
+    pop     bp
+    
     ret
 
 ;******************************************************************************
@@ -2329,6 +2343,16 @@ _process_line:
     
     mov     ax,     cs
     mov     es,     ax
+    
+    mov     bx,     word ptr [bp + 4]
+
+.L121:
+
+    cmp     byte ptr [bx],      ' '
+    jne     .L102
+    
+    inc     bx
+    jmp     .L121
 
 .L102:
 
@@ -2340,7 +2364,6 @@ _process_line:
     mov     cx,     255
     rep     stosb
     
-    mov     bx,     word ptr [bp + 4]
     push    bx
     
     call    _expand_vars
@@ -2348,8 +2371,85 @@ _process_line:
     
     mov     ax,     cs
     mov     ds,     ax
+
+.L124:
+
+    mov     ax,     '&'
+    push    ax
+    
+    mov     si,     offset _formatted_command
+    push    si
+    
+    call    _strchr
+    add     sp,     4
+    
+    and     ax,     ax
+    jz      .L120
+    
+    mov     di,     ax
+    
+    xor     al,     al
+    stosb
+    
+    cmp     byte ptr [di],      '&'
+    jne     .L120
+    
+    stosb
+
+.L122:
+
+    cmp     byte ptr [di],      ' '
+    jne     .L123
+    
+    inc     di
+    jmp     .L122
+
+.L123:
+
+    push    es
+    push    di
+    
+    call    _strlen
+    add     sp,     2
+    
+    xor     dx,     dx
+    inc     ax
+    
+    push    ax
+    push    dx
+    
+    call    _xmalloc
+    add     sp,     4
+    
+    xor     dx,     dx
+    push    dx
+    
+    mov     es,     ax
+    push    es
+    
+    mov     ax,     offset _scratch_list
+    push    ax
+    
+    call    _list_push
+    add     sp,     6
+    
+    push    di
+    
+    xor     ax,     ax
+    push    ax
+    
+    call    _strcpy
+    add     sp,     4
+    
+    pop     es
+
+.L120:
+
+    push    si
     
     call    _get_command
+    add     sp,     2
+    
     jc      .L23
     
     mov     si,     bx
@@ -2946,6 +3046,8 @@ _read_batch.check:
 
 _read_batch.next:
 
+    inc     word ptr cs:[_in_batch]
+    
     pop     ds
     pop     bx
     pop     ax