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PDP11, VAX: convert RL and HK devices to use sim_disk

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This adds file system size verification to allow robust auto sizing and
adds the potential to use VHD and/or access RAW devices if desired
This commit is contained in:
Mark Pizzolato 2017-02-07 16:46:55 -08:00
parent 5a0970fefb
commit 641d72c3a7
2 changed files with 117 additions and 100 deletions
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64
PDP11/pdp11_hk.c
View file

@ -68,6 +68,8 @@
extern uint32 cpu_opt;
#endif
#include "sim_disk.h"
#define HK_NUMDR 8 /* #drives */
#define HK_NUMCY6 411 /* cyl/drive */
#define HK_NUMCY7 815 /* cyl/drive */
@ -83,9 +85,9 @@ extern uint32 cpu_opt;
/* Flags in the unit flags word */
#define UNIT_V_WLK (UNIT_V_UF + 0) /* write locked */
#define UNIT_V_DTYPE (UNIT_V_UF + 1) /* disk type */
#define UNIT_V_AUTO (UNIT_V_UF + 2) /* autosize */
#define UNIT_V_DUMMY (UNIT_V_UF + 3) /* dummy flag */
#define UNIT_V_DTYPE (DKUF_V_UF + 0) /* disk type */
#define UNIT_V_AUTO (DKUF_V_UF + 1) /* autosize */
#define UNIT_V_DUMMY (DKUF_V_UF + 2) /* dummy flag */
#define UNIT_WLK (1 << UNIT_V_WLK)
#define UNIT_DTYPE (1 << UNIT_V_DTYPE)
#define UNIT_RK06 (0 << UNIT_V_DTYPE)
@ -519,11 +521,12 @@ BITFIELD *hk_reg_bits[] = {
/* Debug detail levels */
#define HKDEB_OPS 001 /* transactions */
#define HKDEB_RRD 002 /* reg reads */
#define HKDEB_RWR 004 /* reg writes */
#define HKDEB_TRC 010 /* trace */
#define HKDEB_INT 020 /* interrupts */
#define HKDEB_OPS 0001 /* transactions */
#define HKDEB_RRD 0002 /* reg reads */
#define HKDEB_RWR 0004 /* reg writes */
#define HKDEB_TRC 0010 /* trace */
#define HKDEB_INT 0020 /* interrupts */
#define HKDEB_DAT 0040 /* transfer data */
uint16 *hkxb = NULL; /* xfer buffer */
int32 hkcs1 = 0; /* control/status 1 */
@ -651,6 +654,8 @@ MTAB hk_mod[] = {
NULL, NULL, NULL, "Write lock disk drive" },
{ UNIT_DUMMY, 0, NULL, "BADBLOCK",
&hk_set_bad, NULL, NULL, "write bad block table on last track" },
{ MTAB_XTD|MTAB_VUN|MTAB_VALR, 0, "FORMAT", "FORMAT={SIMH|VHD|RAW}",
&sim_disk_set_fmt, &sim_disk_show_fmt, NULL, "Display disk format" },
{ (UNIT_DTYPE+UNIT_ATT), UNIT_RK06 + UNIT_ATT,
"RK06", NULL, NULL },
{ (UNIT_DTYPE+UNIT_ATT), UNIT_RK07 + UNIT_ATT,
@ -679,6 +684,7 @@ DEBTAB hk_deb[] = {
{ "RWR", HKDEB_RWR, "register writes" },
{ "INT", HKDEB_INT, "interrupts" },
{ "TRACE", HKDEB_TRC, "trace" },
{ "DATA", HKDEB_DAT, "data transfer"},
{ NULL, 0 }
};
@ -687,7 +693,7 @@ DEVICE hk_dev = {
HK_NUMDR, DEV_RDX, 24, 1, DEV_RDX, 16,
NULL, NULL, &hk_reset,
&hk_boot, &hk_attach, &hk_detach,
&hk_dib, DEV_DISABLE | DEV_UBUS | DEV_Q18 | DEV_DEBUG, 0,
&hk_dib, DEV_DISABLE | DEV_UBUS | DEV_Q18 | DEV_DISK | DEV_DEBUG, 0,
hk_deb, NULL, NULL, &hk_help, NULL, NULL,
&hk_description
};
@ -1054,10 +1060,13 @@ return;
t_stat hk_svc (UNIT *uptr)
{
int32 i, t, dc, fnc, err;
int32 i, t, dc, fnc;
t_seccnt sectsread;
t_stat err;
int32 wc, awc, da;
uint32 drv, ba;
uint16 comp;
DEVICE *dptr = find_dev_from_unit (uptr);
drv = (uint32) (uptr - hk_dev.units); /* get drv number */
fnc = uptr->FNC & CS1_M_FNC; /* get function */
@ -1142,7 +1151,6 @@ switch (fnc) { /* case on function */
}
}
err = fseek (uptr->fileref, da * sizeof (int16), SEEK_SET);
if (uptr->FNC == FNC_WRITE) { /* write? */
if (hkcs2 & CS2_UAI) { /* no addr inc? */
if ((t = Map_ReadW (ba, 2, &comp))) { /* get 1st wd */
@ -1162,16 +1170,14 @@ switch (fnc) { /* case on function */
awc = (wc + (HK_NUMWD - 1)) & ~(HK_NUMWD - 1);
for (i = wc; i < awc; i++) /* fill buf */
hkxb[i] = 0;
if (wc && !err) { /* write buf */
fxwrite (hkxb, sizeof (uint16), awc, uptr->fileref);
err = ferror (uptr->fileref);
if (wc) { /* write buf */
sim_disk_data_trace (uptr, (uint8 *)hkxb, da/HK_NUMWD, awc, "sim_disk_wrsect", HKDEB_DAT & dptr->dctrl, HKDEB_OPS);
err = sim_disk_wrsect (uptr, da/HK_NUMWD, (uint8 *)hkxb, NULL, awc/HK_NUMWD);
}
} /* end if wr */
else if (uptr->FNC == FNC_READ) { /* read? */
i = fxread (hkxb, sizeof (uint16), wc, uptr->fileref);
err = ferror (uptr->fileref);
for ( ; i < wc; i++) /* fill buf */
hkxb[i] = 0;
err = sim_disk_rdsect (uptr, da/HK_NUMWD, (uint8 *)hkxb, &sectsread, wc/HK_NUMWD);
sim_disk_data_trace (uptr, (uint8 *)hkxb, da/HK_NUMWD, sectsread*HK_NUMWD*sizeof(*hkxb), "sim_disk_rdsect", HKDEB_DAT & dptr->dctrl, HKDEB_OPS);
if (hkcs2 & CS2_UAI) { /* no addr inc? */
if ((t = Map_WriteW (ba, 2, &hkxb[wc - 1]))) {
wc = 0; /* NXM, no xfr */
@ -1187,10 +1193,8 @@ switch (fnc) { /* case on function */
}
} /* end if read */
else { /* wchk */
i = fxread (hkxb, sizeof (uint16), wc, uptr->fileref);
err = ferror (uptr->fileref);
for ( ; i < wc; i++) /* fill buf */
hkxb[i] = 0;
err = sim_disk_rdsect (uptr, da/HK_NUMWD, (uint8 *)hkxb, &sectsread, wc/HK_NUMWD);
sim_disk_data_trace (uptr, (uint8 *)hkxb, da/HK_NUMWD, sectsread*HK_NUMWD*sizeof(*hkxb), "sim_disk_rdsect", HKDEB_DAT & dptr->dctrl, HKDEB_OPS);
awc = wc;
for (wc = 0; wc < awc; wc++) { /* loop thru buf */
if (Map_ReadW (ba, 2, &comp)) { /* read word */
@ -1483,12 +1487,15 @@ return auto_config (0, 0);
t_stat hk_attach (UNIT *uptr, CONST char *cptr)
{
uint32 drv, p;
uint32 drv;
t_offset p;
t_stat r;
int32 old_hkds;
uptr->capac = HK_SIZE (uptr);
r = attach_unit (uptr, cptr); /* attach unit */
r = sim_disk_attach (uptr, cptr, HK_NUMWD * sizeof (uint16),
sizeof (uint16), TRUE, 0,
(uptr->capac == RK06_SIZE) ? "RK06" : "RK07", HK_NUMSC, 0);
if (r != SCPE_OK) /* error? */
return r;
drv = (uint32) (uptr - hk_dev.units); /* get drv number */
@ -1503,12 +1510,7 @@ uptr->CYL = 0;
if ((old_hkds & DS_ATA) == 0) /* ATN transition? */
update_hkcs (CS1_DI, drv); /* upd ctlr status */
p = sim_fsize (uptr->fileref); /* get file size */
if (p == 0) { /* new disk image? */
if (uptr->flags & UNIT_RO)
return SCPE_OK;
return pdp11_bad_block (uptr, HK_NUMSC, HK_NUMWD);
}
p = sim_disk_size (uptr); /* get file size */
if ((uptr->flags & UNIT_AUTO) == 0) /* autosize? */
return SCPE_OK;
if (p > (RK06_SIZE * sizeof (uint16))) {
@ -1542,7 +1544,7 @@ if (sim_is_active (uptr)) { /* unit active? */
}
if ((old_hkds & DS_ATA) == 0) /* ATN transition? */
update_hkcs (CS1_DI, drv); /* upd ctlr status */
return detach_unit (uptr);
return sim_disk_detach (uptr);
}
/* Set size command validation routine */

139
PDP11/pdp11_rl.c
View file

@ -97,6 +97,8 @@
#include "pdp11_defs.h"
#endif
#include "sim_disk.h"
/* Constants */
#define RL_NUMWD (128) /* words/sector */
@ -116,11 +118,11 @@
/* Flags in the unit flags word */
#define UNIT_V_WLK (UNIT_V_UF + 0) /* hwre write lock */
#define UNIT_V_RL02 (UNIT_V_UF + 1) /* RL01 vs RL02 */
#define UNIT_V_AUTO (UNIT_V_UF + 2) /* autosize enable */
#define UNIT_V_DUMMY (UNIT_V_UF + 3) /* dummy flag, for SET BADBLOCK */
#define UNIT_V_OFFL (UNIT_V_UF + 4) /* unit off line */
#define UNIT_V_BRUSH (UNIT_V_UF + 5) /* unit has brushes */
#define UNIT_V_RL02 (DKUF_V_UF + 0) /* RL01 vs RL02 */
#define UNIT_V_AUTO (DKUF_V_UF + 1) /* autosize enable */
#define UNIT_V_DUMMY (DKUF_V_UF + 2) /* dummy flag, for SET BADBLOCK */
#define UNIT_V_OFFL (DKUF_V_UF + 3) /* unit off line */
#define UNIT_V_BRUSH (DKUF_V_UF + 4) /* unit has brushes */
#define UNIT_BRUSH (1u << UNIT_V_BRUSH)
#define UNIT_OFFL (1u << UNIT_V_OFFL)
#define UNIT_DUMMY (1u << UNIT_V_DUMMY)
@ -225,6 +227,29 @@
#define RLBAE_IMP (0000077) /* implemented */
const char *rl_regnames[] = {
"RLCS",
"RLDA",
"RLBA",
"RLMP",
"RLBAE",
"",
"",
"",
};
/* Debug detail levels */
#define RLDEB_OPS 0001 /* transactions */
#define RLDEB_RRD 0002 /* reg reads */
#define RLDEB_RWR 0004 /* reg writes */
#define RLDEB_TRC 0010 /* trace */
#define RLDEB_INT 0020 /* interrupts */
#define RLDEB_DAT 0100 /* transfer data */
uint16 *rlxb = NULL; /* xfer buffer */
int32 rlcs = 0; /* control/status */
int32 rlba = 0; /* memory address */
@ -338,6 +363,8 @@ static const MTAB rl_mod[] = {
NULL, NULL, NULL, "Write lock disk drive" },
{ UNIT_DUMMY, 0, NULL, "BADBLOCK",
&rl_set_bad, NULL, NULL, "Write bad block table on last track" },
{ MTAB_XTD|MTAB_VUN|MTAB_VALR, 0, "FORMAT", "FORMAT={SIMH|VHD|RAW}",
&sim_disk_set_fmt, &sim_disk_show_fmt, NULL, "Display disk format" },
{ (UNIT_RL02+UNIT_ATT), UNIT_ATT, "RL01", NULL, NULL },
{ (UNIT_RL02+UNIT_ATT), (UNIT_RL02+UNIT_ATT), "RL02", NULL, NULL },
{ (UNIT_AUTO+UNIT_RL02+UNIT_ATT), 0, "RL01", NULL,
@ -358,13 +385,23 @@ static const MTAB rl_mod[] = {
{ 0 }
};
DEBTAB rl_deb[] = {
{ "OPS", RLDEB_OPS, "transactions" },
{ "RRD", RLDEB_RRD, "register reads" },
{ "RWR", RLDEB_RWR, "register writes" },
{ "INT", RLDEB_INT, "interrupts" },
{ "TRACE", RLDEB_TRC, "trace" },
{ "DATA", RLDEB_DAT, "data transfer"},
{ NULL, 0 }
};
DEVICE rl_dev = {
"RL", (UNIT *) &rl_unit, (REG *)rl_reg, (MTAB *)rl_mod,
RL_NUMDR, DEV_RDX, 24, 1, DEV_RDX, 16,
NULL, NULL, &rl_reset,
&rl_boot, &rl_attach, &rl_detach,
&rl_dib, DEV_DISABLE | DEV_UBUS | DEV_QBUS | DEV_DEBUG, 0,
NULL, NULL, NULL, &rl_help, NULL, NULL,
&rl_dib, DEV_DISABLE | DEV_UBUS | DEV_QBUS | DEV_DISK | DEV_DEBUG, 0,
rl_deb, NULL, NULL, &rl_help, NULL, NULL,
&rl_description
};
@ -418,8 +455,7 @@ errors.
if (rlcs & RLCS_ALLERR)
rlcs |= RLCS_ERR;
*data = rlcs;
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL rd: RLCS %06o\n", rlcs);
sim_debug (RLDEB_RRD, &rl_dev, ">>RL rd: RLCS %06o\n", rlcs);
break;
case 1: /* RLBA */
@ -446,6 +482,7 @@ errors.
return (SCPE_NXM);
} /* end switch */
sim_debug (RLDEB_RRD, &rl_dev, ">>RL%d read: %s=0%o\n", GET_DRIVE (rlcs), rl_regnames[(PA >> 1) & 07], *data);
return SCPE_OK;
}
@ -461,8 +498,7 @@ switch ((PA >> 1) & 07) { /* decode PA<2:1> */
uptr = rl_dev.units + GET_DRIVE (data); /* get new drive */
if (access == WRITEB)
data = (PA & 1)? (rlcs & 0377) | (data << 8): (rlcs & ~0377) | data;
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL wr: RLCS %06o new %06o\n", rlcs, data);
sim_debug (RLDEB_RWR, &rl_dev, ">>RL wr: RLCS %06o new %06o\n", rlcs, data);
rlcs = (rlcs & ~RLCS_RW) | (data & RLCS_RW);
rlbae = (rlbae & ~RLCS_M_MEX) | ((rlcs >> RLCS_V_MEX) & RLCS_M_MEX);
/*
@ -521,8 +557,7 @@ max 17ms for 1 track seek w/head switch
if (tim == 0)
tim++;
tim *= rl_swait;
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL SEEK: drv %d, dist %d, head sw %d, tim %d\n",
sim_debug (RLDEB_RWR, &rl_dev, ">>RL SEEK: drv %d, dist %d, head sw %d, tim %d\n",
(int32) (uptr - rl_dev.units),
abs (newc - curr), (rlda & RLDA_SK_HD), tim);
uptr->FNC = RLCS_SEEK;
@ -547,8 +582,7 @@ max 17ms for 1 track seek w/head switch
rl_set_done (RLCS_DRE | RLCS_INCMP);
}
rlmp2 = rlmp1 = rlmp;
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL GSTA: rlds=%06o drv=%ld\n",
sim_debug (RLDEB_RWR, &rl_dev, ">>RL GSTA: rlds=%06o drv=%ld\n",
rlmp, (long)(uptr - rl_dev.units));
rl_set_done (0); /* done */
break;
@ -585,24 +619,21 @@ says, bit 0 can be written and read (as 1) on an RLV12 (verified
if (access == WRITEB)
data = (PA & 1)? (rlba & 0377) | (data << 8): (rlba & ~0377) | data;
rlba = data & (UNIBUS ? 0177776 : 0177777);
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL wr: RLBA %06o\n", rlba);
sim_debug (RLDEB_RWR, &rl_dev, ">>RL wr: RLBA %06o\n", rlba);
break;
case 2: /* RLDA */
if (access == WRITEB)
data = (PA & 1)? (rlda & 0377) | (data << 8): (rlda & ~0377) | data;
rlda = data;
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL wr: RLDA %06o\n", rlda);
sim_debug (RLDEB_RWR, &rl_dev, ">>RL wr: RLDA %06o\n", rlda);
break;
case 3: /* RLMP */
if (access == WRITEB)
data = (PA & 1)? (rlmp & 0377) | (data << 8): (rlmp & ~0377) | data;
rlmp = rlmp1 = rlmp2 = (uint16)data;
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL wr: RLMP %06o\n", rlmp);
sim_debug (RLDEB_RWR, &rl_dev, ">>RL wr: RLMP %06o\n", rlmp);
break;
case 4: /* RLBAE */
@ -612,13 +643,12 @@ says, bit 0 can be written and read (as 1) on an RLV12 (verified
return SCPE_OK;
rlbae = data & RLBAE_IMP;
rlcs = (rlcs & ~RLCS_MEX) | ((rlbae & RLCS_M_MEX) << RLCS_V_MEX);
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL wr: RLBAE %06o\n", rlbae);
break;
default:
return (SCPE_NXM);
} /* end switch */
sim_debug (RLDEB_RWR, &rl_dev, ">>RL%d write: %s=0%o\n", GET_DRIVE (rlcs), rl_regnames[(PA >> 1) & 07], data);
return SCPE_OK;
}
@ -653,8 +683,7 @@ static void rlv_maint (void)
uint32 ma;
uint16 w;
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL maint: RLDA %06o\n", rlda);
sim_debug (RLDEB_OPS, &rl_dev, ">>RL maint: RLDA %06o\n", rlda);
/* 1: check internal logic */
rlda = (rlda & ~0377) | ((rlda + 1) & 0377);
@ -664,8 +693,7 @@ static void rlv_maint (void)
/* 3: check DMA transfers */
ma = (rlbae << 16) | rlba; /* get mem addr */
/* xfer 256 words to FIFO */
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL maint: RLMP %06o\n", rlmp);
sim_debug (RLDEB_OPS, &rl_dev, ">>RL maint: RLMP %06o\n", rlmp);
if (rlmp != 0177001) { /* must be exactly -511 */
rlcs |= RLCS_ERR | RLCS_HDE; /* HNF error */
return;
@ -720,23 +748,22 @@ static void rlv_maint (void)
t_stat rl_svc (UNIT *uptr)
{
int32 err, wc, maxwc, t;
int32 wc, maxwc, t;
t_stat err;
t_seccnt sectsread;
int32 i, da, awc;
uint32 ma;
uint16 comp;
DEVICE *dptr = find_dev_from_unit (uptr);
static const char * const funcname[] = {
"NOP", "WCK", "GSTA", "SEEK",
"RHDR", "WT", "RD", "RNOHDR", "SPECIAL",
};
if (DEBUG_PRS (rl_dev)) {
if (uptr->FNC == RLCS_SPECIAL)
fprintf (sim_deb, ">>RL svc: func=SPECIAL(%s) drv=%d\n",
state[uptr->STAT & RLDS_M_STATE], (int32) (uptr - rl_dev.units));
sim_debug (RLDEB_OPS, &rl_dev, ">>RL: svc: func=SPECIAL(%s) drv=%d\n", state[uptr->STAT & RLDS_M_STATE], (int32) (uptr - rl_dev.units));
else
fprintf (sim_deb, ">>RL svc: func=%s drv=%d rlda=%06o\n",
funcname[uptr->FNC], (int32) (uptr - rl_dev.units), rlda);
}
sim_debug (RLDEB_OPS, &rl_dev, ">>RL svc: func=%s drv=%d rlda=%06o\n", funcname[uptr->FNC], (int32) (uptr - rl_dev.units), rlda);
/* really shouldn't happen... */
if ((uptr->FNC == RLCS_GSTA) || (uptr->FNC == RLCS_NOP)) {
@ -873,17 +900,12 @@ wc = 0200000 - rlmp; /* get true wc */
if (wc > maxwc) /* track overrun? */
wc = maxwc;
err = fseek (uptr->fileref, da * sizeof (int16), SEEK_SET);
if (DEBUG_PRS (rl_dev))
fprintf (sim_deb, ">>RL svc: cyl %d, sect %d, wc %d, maxwc %d, err %d\n",
GET_CYL (rlda), GET_SECT (rlda), wc, maxwc, err);
sim_debug (RLDEB_OPS, &rl_dev, ">>RL svc: cyl %d, sect %d, wc %d, maxwc %d\n", GET_CYL (rlda), GET_SECT (rlda), wc, maxwc);
if ((uptr->FNC >= RLCS_READ) && (err == 0)) { /* read (no hdr)? */
i = fxread (rlxb, sizeof (int16), wc, uptr->fileref);
err = ferror (uptr->fileref);
for ( ; i < wc; i++) /* fill buffer */
rlxb[i] = 0;
if (uptr->FNC >= RLCS_READ) { /* read (no hdr)? */
err = sim_disk_rdsect (uptr, da/RL_NUMWD, (uint8 *)rlxb, &sectsread, wc/RL_NUMWD);
sim_disk_data_trace (uptr, (uint8 *)rlxb, da/RL_NUMWD, sectsread*RL_NUMWD*sizeof(*rlxb), "sim_disk_rdsect", RLDEB_DAT & dptr->dctrl, RLDEB_OPS);
if ((t = Map_WriteW (ma, wc << 1, rlxb))) { /* store buffer */
rlcs = rlcs | RLCS_ERR | RLCS_NXM; /* nxm */
wc = wc - t; /* adjust wc */
@ -891,7 +913,7 @@ if (DEBUG_PRS (rl_dev))
} /* end read */
else
if ((uptr->FNC == RLCS_WRITE) && (err == 0)) { /* write? */
if (uptr->FNC == RLCS_WRITE) { /* write? */
if ((t = Map_ReadW (ma, wc << 1, rlxb))) { /* fetch buffer */
rlcs = rlcs | RLCS_ERR | RLCS_NXM; /* nxm */
wc = wc - t; /* adj xfer lnt */
@ -900,17 +922,15 @@ if ((uptr->FNC == RLCS_WRITE) && (err == 0)) { /* write? */
awc = (wc + (RL_NUMWD - 1)) & ~(RL_NUMWD - 1); /* clr to */
for (i = wc; i < awc; i++) /* end of blk */
rlxb[i] = 0;
fxwrite (rlxb, sizeof (int16), awc, uptr->fileref);
err = ferror (uptr->fileref);
sim_disk_data_trace (uptr, (uint8 *)rlxb, da/RL_NUMWD, awc, "sim_disk_wrsect", RLDEB_DAT & dptr->dctrl, RLDEB_OPS);
err = sim_disk_wrsect (uptr, da/RL_NUMWD, (uint8 *)rlxb, NULL, awc/RL_NUMWD);
}
} /* end write */
else
if ((uptr->FNC == RLCS_WCHK) && (err == 0)) { /* write check? */
i = fxread (rlxb, sizeof (int16), wc, uptr->fileref);
err = ferror (uptr->fileref);
for ( ; i < wc; i++) /* fill buffer */
rlxb[i] = 0;
if (uptr->FNC == RLCS_WCHK) { /* write check? */
err = sim_disk_rdsect (uptr, da/RL_NUMWD, (uint8 *)rlxb, &sectsread, wc/RL_NUMWD);
sim_disk_data_trace (uptr, (uint8 *)rlxb, da/RL_NUMWD, sectsread*RL_NUMWD*sizeof(*rlxb), "sim_disk_rdsect", RLDEB_DAT & dptr->dctrl, RLDEB_OPS);
awc = wc; /* save wc */
for (wc = 0; (err == 0) && (wc < awc); wc++) { /* loop thru buf */
if (Map_ReadW (ma + (wc << 1), 2, &comp)) { /* mem wd */
@ -995,11 +1015,13 @@ return auto_config (0, 0);
t_stat rl_attach (UNIT *uptr, CONST char *cptr)
{
uint32 p;
t_offset p;
t_stat r;
uptr->capac = (uptr->flags & UNIT_RL02)? RL02_SIZE: RL01_SIZE;
r = attach_unit (uptr, cptr); /* attach unit */
r = sim_disk_attach (uptr, cptr, RL_NUMWD * sizeof (uint16),
sizeof (uint16), TRUE, 0,
(uptr->capac == RL02_SIZE) ? "RL02" : "RL01", RL_NUMSC, 0);
if (r != SCPE_OK) /* error? */
return r;
/*
@ -1008,11 +1030,7 @@ as if the load procedure had already executed.
*/
uptr->TRK = 0; /* cylinder 0 */
uptr->STAT = RLDS_HDO | RLDS_BHO | RLDS_VCK | RLDS_LOCK; /* new volume */
if ((p = sim_fsize (uptr->fileref)) == 0) { /* new disk image? */
if (uptr->flags & UNIT_RO) /* if ro, done */
return SCPE_OK;
return pdp11_bad_block (uptr, RL_NUMSC, RL_NUMWD);
}
p = sim_disk_size (uptr); /* get file size */
if ((uptr->flags & UNIT_AUTO) == 0) /* autosize? */
return SCPE_OK;
if (p > (RL01_SIZE * sizeof (int16))) {
@ -1028,12 +1046,9 @@ return SCPE_OK;
t_stat rl_detach (UNIT *uptr)
{
t_stat stat;
sim_cancel (uptr);
stat = detach_unit (uptr);
uptr->STAT = RLDS_BHO | RLDS_LOAD;
return (stat);
return sim_disk_detach (uptr);
}
/* Set size routine */