From 493a58b4bfd798ae656f3ef5a429730d40e284dc Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Sat, 27 Jan 2024 13:38:03 -1000
Subject: [PATCH] ALTAIRZ80: Avoid use of possible keyword "readonly" on some
 compilers

---
 AltairZ80/ibc_mcc_hdc.c  | 4 ++--
 AltairZ80/ibc_smd_hdc.c  | 4 ++--
 AltairZ80/s100_hdc1001.c | 8 ++++----
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/AltairZ80/ibc_mcc_hdc.c b/AltairZ80/ibc_mcc_hdc.c
index 227ee641..b0a5ac88 100644
--- a/AltairZ80/ibc_mcc_hdc.c
+++ b/AltairZ80/ibc_mcc_hdc.c
@@ -87,7 +87,7 @@
 
 typedef struct {
     UNIT *uptr;
-    uint8  readonly;    /* Drive is read-only? */
+    uint8  isreadonly;  /* Drive is read-only? */
     uint16 sectsize;    /* sector size */
     uint16 nsectors;    /* number of sectors/track */
     uint16 nheads;      /* number of heads */
@@ -274,7 +274,7 @@ static t_stat ibc_hdc_attach(UNIT *uptr, CONST char *cptr)
     sim_debug(VERBOSE_MSG, &ibc_hdc_dev, DEV_NAME "%d, attached to '%s', type=DSK, len=%d\n",
         i, cptr, uptr->capac);
 
-    pDrive->readonly = (uptr->flags & UNIT_RO) ? 1 : 0;
+    pDrive->isreadonly = (uptr->flags & UNIT_RO) ? 1 : 0;
     ibc_hdc_info->error_reg = 0;
     pDrive->ready = 1;
 
diff --git a/AltairZ80/ibc_smd_hdc.c b/AltairZ80/ibc_smd_hdc.c
index a8deddb9..e2047c61 100644
--- a/AltairZ80/ibc_smd_hdc.c
+++ b/AltairZ80/ibc_smd_hdc.c
@@ -77,7 +77,7 @@
 
 typedef struct {
     UNIT  *uptr;
-    uint8  readonly;    /* Drive is read-only? */
+    uint8  isreadonly;  /* Drive is read-only? */
     uint16 sectsize;    /* sector size */
     uint16 nsectors;    /* number of sectors/track */
     uint16 nheads;      /* number of heads */
@@ -266,7 +266,7 @@ static t_stat ibc_smd_attach(UNIT *uptr, CONST char *cptr)
     sim_debug(VERBOSE_MSG, &ibc_smd_dev, DEV_NAME "%d, attached to '%s', type=DSK, len=%d\n",
         i, cptr, uptr->capac);
 
-    pDrive->readonly = (uptr->flags & UNIT_RO) ? 1 : 0;
+    pDrive->isreadonly = (uptr->flags & UNIT_RO) ? 1 : 0;
     ibc_smd_info->error_reg = 0;
     pDrive->ready = 1;
 
diff --git a/AltairZ80/s100_hdc1001.c b/AltairZ80/s100_hdc1001.c
index 017fb53d..88f7ff8e 100644
--- a/AltairZ80/s100_hdc1001.c
+++ b/AltairZ80/s100_hdc1001.c
@@ -115,7 +115,7 @@ static char* hdc1001_reg_wr_str[] = {
 
 typedef struct {
     UNIT *uptr;
-    uint8  readonly;    /* Drive is read-only? */
+    uint8  isreadonly;  /* Drive is read-only? */
     uint16 sectsize;    /* sector size */
     uint16 nsectors;    /* number of sectors/track */
     uint16 nheads;      /* number of heads */
@@ -295,7 +295,7 @@ static t_stat hdc1001_attach(UNIT *uptr, CONST char *cptr)
     sim_debug(VERBOSE_MSG, &hdc1001_dev, DEV_NAME "%d, attached to '%s', type=DSK, len=%d\n",
         i, cptr, uptr->capac);
 
-    pDrive->readonly = (uptr->flags & UNIT_RO) ? 1 : 0;
+    pDrive->isreadonly = (uptr->flags & UNIT_RO) ? 1 : 0;
     hdc1001_info->error_reg = 0;
     pDrive->ready = 1;
 
@@ -626,7 +626,7 @@ static t_stat HDC1001_doCommand(void)
                 break;
             case HDC1001_CMD_WRITE_SECT:
                 /* If drive is read-only, signal a write fault. */
-                if (pDrive->readonly) {
+                if (pDrive->isreadonly) {
                     hdc1001_info->status_reg |= HDC1001_STATUS_ERROR;
                     hdc1001_info->status_reg |= HDC1001_STATUS_WRITE_FAULT;
                 break;
@@ -696,7 +696,7 @@ static t_stat HDC1001_doCommand(void)
                 uint8 *fmtBuffer;
 
                 /* If drive is read-only, signal a write fault. */
-                if (pDrive->readonly) {
+                if (pDrive->isreadonly) {
                     hdc1001_info->status_reg |= HDC1001_STATUS_ERROR;
                     hdc1001_info->status_reg |= HDC1001_STATUS_WRITE_FAULT;
                     hdc1001_info->status_reg |= HDC1001_STATUS_DRQ;