diff options
Diffstat (limited to 'common/cmd_fdc.c')
| -rw-r--r-- | common/cmd_fdc.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c index 40d12f6..4fe410d 100644 --- a/common/cmd_fdc.c +++ b/common/cmd_fdc.c @@ -428,8 +428,8 @@ int fdc_terminate(FDC_COMMAND_STRUCT *pCMD) int fdc_read_data(unsigned char *buffer, unsigned long blocks,FDC_COMMAND_STRUCT *pCMD, FD_GEO_STRUCT *pFG) { /* first seek to start address */ - unsigned long len,lastblk,readblk,i,timeout,ii,offset; - unsigned char pcn,c,retriesrw,retriescal; + unsigned long len,readblk,i,timeout,ii,offset; + unsigned char c,retriesrw,retriescal; unsigned char *bufferw; /* working buffer */ int sect_size; int flags; @@ -442,18 +442,19 @@ int fdc_read_data(unsigned char *buffer, unsigned long blocks,FDC_COMMAND_STRUCT offset=0; if(fdc_seek(pCMD,pFG)==FALSE) { stop_fdc_drive(pCMD); - enable_interrupts(); + if (flags) + enable_interrupts(); return FALSE; } if((pCMD->result[STATUS_0]&0x20)!=0x20) { printf("Seek error Status: %02X\n",pCMD->result[STATUS_0]); stop_fdc_drive(pCMD); - enable_interrupts(); + if (flags) + enable_interrupts(); return FALSE; } - pcn=pCMD->result[STATUS_PCN]; /* current track */ /* now determine the next seek point */ - lastblk=pCMD->blnr + blocks; + /* lastblk=pCMD->blnr + blocks; */ /* readblk=(pFG->head*pFG->sect)-(pCMD->blnr%(pFG->head*pFG->sect)); */ readblk=pFG->sect-(pCMD->blnr%pFG->sect); PRINTF("1st nr of block possible read %ld start %ld\n",readblk,pCMD->blnr); @@ -467,7 +468,8 @@ retryrw: pCMD->cmd[COMMAND]=FDC_CMD_READ; if(fdc_issue_cmd(pCMD,pFG)==FALSE) { stop_fdc_drive(pCMD); - enable_interrupts(); + if (flags) + enable_interrupts(); return FALSE; } for (i=0;i<len;i++) { @@ -488,14 +490,16 @@ retryrw: if(retriesrw++>FDC_RW_RETRIES) { if (retriescal++>FDC_CAL_RETRIES) { stop_fdc_drive(pCMD); - enable_interrupts(); + if (flags) + enable_interrupts(); return FALSE; } else { PRINTF(" trying to recalibrate Try %d\n",retriescal); if(fdc_recalibrate(pCMD,pFG)==FALSE) { stop_fdc_drive(pCMD); - enable_interrupts(); + if (flags) + enable_interrupts(); return FALSE; } retriesrw=0; @@ -528,7 +532,8 @@ retrycal: /* a seek is necessary */ if(fdc_seek(pCMD,pFG)==FALSE) { stop_fdc_drive(pCMD); - enable_interrupts(); + if (flags) + enable_interrupts(); return FALSE; } if((pCMD->result[STATUS_0]&0x20)!=0x20) { @@ -536,10 +541,10 @@ retrycal: stop_fdc_drive(pCMD); return FALSE; } - pcn=pCMD->result[STATUS_PCN]; /* current track */ }while(TRUE); /* start over */ stop_fdc_drive(pCMD); /* switch off drive */ - enable_interrupts(); + if (flags) + enable_interrupts(); return TRUE; } |