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Fix int21/3302 (the swap was wrong, Lucho & Bart)

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Made int21/3301,2e,54 consistent with MSDOS behaviour (Lucho)
Fix int21/5e02+ (mentioned by Arkady)


git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@962 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman 2004-05-25 18:47:43 +00:00
parent c90e1e3c11
commit e71f6448ab
1 changed files with 7 additions and 12 deletions
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19
kernel/inthndlr.c
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@ -85,14 +85,14 @@ VOID ASMCFUNC int21_syscall(iregs FAR * irp)
/* Set Ctrl-C flag */ /* Set Ctrl-C flag */
case 0x01: case 0x01:
break_ena = irp->DL != 0; break_ena = irp->DL & 1;
break; break;
case 0x02: /* andrew schulman: get/set extended control break */ case 0x02: /* andrew schulman: get/set extended control break */
{ {
UBYTE tmp = break_ena; UBYTE tmp = break_ena;
irp->DL = break_ena; break_ena = irp->DL & 1;
break_ena = tmp != 0; irp->DL = tmp;
} }
break; break;
@ -162,7 +162,6 @@ VOID ASMCFUNC int21_syscall(iregs FAR * irp)
/* UNDOCUMENTED: return current psp */ /* UNDOCUMENTED: return current psp */
case 0x62: case 0x62:
irp->BX = cu_psp; irp->BX = cu_psp;
break;
/* Normal DOS function - DO NOT ARRIVE HERE */ /* Normal DOS function - DO NOT ARRIVE HERE */
/* default: */ /* default: */
@ -693,7 +692,7 @@ dispatch:
/* Set verify flag */ /* Set verify flag */
case 0x2e: case 0x2e:
verify_ena = (lr.AL ? TRUE : FALSE); verify_ena = lr.AL & 1;
break; break;
/* Get DTA */ /* Get DTA */
@ -1084,7 +1083,7 @@ dispatch:
/* Get verify state */ /* Get verify state */
case 0x54: case 0x54:
lr.AL = (verify_ena ? TRUE : FALSE); lr.AL = verify_ena;
break; break;
/* ************UNDOCUMENTED************************************* */ /* ************UNDOCUMENTED************************************* */
@ -1234,10 +1233,7 @@ dispatch:
default: default:
rc = (int)network_redirector_mx(REM_PRINTSET, &lr, (void *)Int21AX); rc = (int)network_redirector_mx(REM_PRINTSET, &lr, (void *)Int21AX);
if (rc != SUCCESS) goto short_check;
goto error_exit;
lr.AX = SUCCESS;
break;
} }
break; break;
@ -1507,7 +1503,7 @@ exit_dispatch:
fmemcpy(r, &lr, sizeof(lregs) - 4); fmemcpy(r, &lr, sizeof(lregs) - 4);
r->DS = lr.DS; r->DS = lr.DS;
r->ES = lr.ES; r->ES = lr.ES;
real_exit: real_exit:;
#ifdef DEBUG #ifdef DEBUG
if (bDumpRegs) if (bDumpRegs)
@ -1517,7 +1513,6 @@ real_exit:
dump(); dump();
} }
#endif #endif
return;
} }
#if 0 #if 0