SvarDOSSvarDOS Packages

BlueGreycalmElegant

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• This comparison shows the changes necessary to convert path

  → /svarcom/trunk/command.c @ 449

  → /svarcom/trunk/command.c @ 450

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 449 → Rev 450

/svarcom/trunk/command.c
323,6 → 323,55
}
/* wait for user input */
static void cmdline_getinput(unsigned short inpseg, unsigned short inpoff) {
_asm {
push ax
push bx
push cx
push dx
push ds
/* is DOSKEY support present? (INT 2Fh, AX=4800h, returns non-zero in AL if present) */
mov ax, 0x4800
int 0x2f
mov bl, al /* save doskey status in BL */
/* set up buffered input to inpseg:inpoff */
mov ax, inpseg
push ax
pop ds
mov dx, inpoff
/* execute either DOS input or DOSKEY */
test bl, bl /* zf set if no DOSKEY present */
jnz DOSKEY
mov ah, 0x0a
int 0x21
jmp short DONE
DOSKEY:
mov ax, 0x4810
int 0x2f
DONE:
/* terminate command with a CR/LF */
mov ah, 0x02 /* display character in dl */
mov dl, 0x0d
int 0x21
mov dl, 0x0a
int 0x21
pop ds
pop dx
pop cx
pop bx
pop ax
}
}
int main(void) {
static struct config cfg;
static unsigned short rmod_seg;
363,8 → 412,7
}*/
do {
char far *cmdline = MK_FP(rmod_seg, RMOD_OFFSET_INPBUFF + 2);
unsigned char far *echostatus = MK_FP(rmod_seg, RMOD_OFFSET_ECHOFLAG);
char far *cmdline = rmod->inputbuf + 2;
/* (re)load translation strings if needed */
nls_langreload(BUFFER, *rmod_envseg);
376,12 → 424,12
goto EXEC_CMDLINE;
}
if (*echostatus != 0) outputnl(""); /* terminate the previous command with a CR/LF */
if (rmod->echoflag != 0) outputnl(""); /* terminate the previous command with a CR/LF */
SKIP_NEWLINE:
/* print shell prompt (only if ECHO is enabled) */
if (*echostatus != 0) {
if (rmod->echoflag != 0) {
char *promptptr = BUFFER;
buildprompt(promptptr, *rmod_envseg);
_asm {
400,52 → 448,9
cmdline[(unsigned short)(cmdline[-1])] = '\r';
}
/* wait for user input */
_asm {
push ax
push bx
push cx
push dx
push ds
/* wait for user command line */
cmdline_getinput(FP_SEG(rmod->inputbuf), FP_OFF(rmod->inputbuf));
/* is DOSKEY support present? (INT 2Fh, AX=4800h, returns non-zero in AL if present) */
mov ax, 0x4800
int 0x2f
mov bl, al /* save doskey status in BL */
/* set up buffered input */
mov ax, rmod_seg
push ax
pop ds
mov dx, RMOD_OFFSET_INPBUFF
/* execute either DOS input or DOSKEY */
test bl, bl /* zf set if no DOSKEY present */
jnz DOSKEY
mov ah, 0x0a
int 0x21
jmp short DONE
DOSKEY:
mov ax, 0x4810
int 0x2f
DONE:
/* terminate command with a CR/LF */
mov ah, 0x02 /* display character in dl */
mov dl, 0x0d
int 0x21
mov dl, 0x0a
int 0x21
pop ds
pop dx
pop cx
pop bx
pop ax
}
/* if nothing entered, loop again (but without appending an extra CR/LF) */
if (cmdline[-1] == 0) goto SKIP_NEWLINE;