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Implement floppy change notification via int2f/ax=4a00 (originally by

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Tom Ehlert). Add forgotten bit of NLS int2f.asm change.


git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1314 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman 2007-05-15 17:44:02 +00:00
parent f2823f9f27
commit 2618be338f
2 changed files with 47 additions and 28 deletions
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23
kernel/dsk.c
View File

@ -54,12 +54,14 @@ VOID ASMPASCAL fl_readkey(VOID);
extern COUNT ASMPASCAL fl_lba_ReadWrite(BYTE drive, WORD mode,
struct _bios_LBA_address_packet FAR
* dap_p);
UWORD ASMPASCAL floppy_change(UWORD);
#ifdef __WATCOMC__
#pragma aux (pascal) fl_reset modify exact [ax dx]
#pragma aux (pascal) fl_diskchanged modify exact [ax dx]
#pragma aux (pascal) fl_setdisktype modify exact [ax bx dx]
#pragma aux (pascal) fl_readkey modify exact [ax]
#pragma aux (pascal) fl_lba_ReadWrite modify exact [ax dx]
#pragma aux (pascal) floppy_change modify exact [ax cx dx]
#endif
STATIC int LBA_Transfer(ddt * pddt, UWORD mode, VOID FAR * buffer,
@ -203,13 +205,20 @@ STATIC WORD play_dj(ddt * pddt)
}
else
{
template_string[DRIVE_POS] = 'A' + pddt2->ddt_logdriveno;
put_string(template_string);
put_string("Insert");
template_string[DRIVE_POS] = 'A' + pddt->ddt_logdriveno;
put_string(template_string + 6);
put_string("Press the any key to continue ... \n");
fl_readkey();
xreg dx;
dx.b.l = pddt->ddt_logdriveno;
dx.b.h = pddt2->ddt_logdriveno;
/* call int2f/ax=4a00 */
if (floppy_change(dx.x) != 0xffff) {
/* if someone else does not make a nice dialog... */
template_string[DRIVE_POS] = 'A' + pddt2->ddt_logdriveno;
put_string(template_string);
put_string("Insert");
template_string[DRIVE_POS] = 'A' + pddt->ddt_logdriveno;
put_string(template_string + 6);
put_string("Press the any key to continue ... \n");
fl_readkey();
}
pddt2->ddt_descflags &= ~DF_CURLOG;
pddt->ddt_descflags |= DF_CURLOG;
pokeb(0, 0x504, pddt->ddt_logdriveno);

52
kernel/int2f.asm
View File

@ -107,9 +107,9 @@ DriverSysCal:
jmp short Int2f?iret
;***********************************************************
; internal doscalls INT2F/11xx - handled through C
;***********************************************************
;**********************************************************************
; internal dos calls INT2F/12xx and INT2F/4A01,4A02 - handled through C
;**********************************************************************
IntDosCal:
; set up register frame
;struct int2f12regs
@ -404,34 +404,44 @@ int2f_restore_ds:
pop ds
jmp short ret_set_ax_to_carry
; extern UWORD ASMCFUNC call_nls(UWORD subfct, struct nlsInfoBlock *nlsinfo,
; UWORD bp, UWORD cp, UWORD cntry, UWORD bufsize, UWORD FAR *buf, UWORD *id);
; extern UWORD ASMPASCAL call_nls(UWORD bp, UWORD FAR *buf,
; UWORD subfct, UWORD cp, UWORD cntry, UWORD bufsize);
global _call_nls
_call_nls:
extern _nlsInfo:wrt DGROUP
global CALL_NLS
CALL_NLS:
pop es ; ret addr
pop cx ; bufsize
pop dx ; cntry
pop bx ; cp
pop ax ; sub fct
mov ah, 0x14
push es ; ret addr
push bp
mov bp, sp
push si
push di
mov al, [bp + 4] ; subfct
mov ah, 0x14
mov si, [bp + 6] ; nlsinfo
mov bx, [bp + 10] ; cp
mov dx, [bp + 12] ; cntry
mov cx, [bp + 14] ; bufsize
les di, [bp + 16] ; buf
push bp
mov si, _nlsInfo ; nlsinfo
les di, [bp + 4] ; buf
mov bp, [bp + 8] ; bp
int 0x2f
pop bp
mov bp, [bp + 20] ; store id (in SS:) unless it's NULL
or bp, bp
jz nostore
mov [bp], bx
nostore:
mov dx, bx ; return id in high word
pop di
pop si
pop bp
ret 6
; extern UWORD ASMPASCAL floppy_change(UWORD drives)
global FLOPPY_CHANGE
FLOPPY_CHANGE:
pop cx ; ret addr
pop dx ; drives
push cx ; ret addr
mov ax, 0x4a00
xor cx, cx
int 0x2f
mov ax, cx ; return
ret
;