trs80: fix swapping - bug in devhd handling of cylinder boundaries

diff --git a/Kernel/platform-trs80/devhd.c b/Kernel/platform-trs80/devhd.c
index 7106415..069c405 100644 (file)
--- a/Kernel/platform-trs80/devhd.c
+++ b/Kernel/platform-trs80/devhd.c
@@ -144,8 +144,8 @@ int hd_transfer(uint8_t minor, bool is_read, uint8_t rawflag)
                dptr += 256;
                sector++;
                /* Cheaper than divison! */
-               if (sector == 33) {
-                       sector = 1;
+               if (sector == 32) {
+                       sector = 0;
                        head++;
                        if (head == p->g.head) {
                                head = 0;