interbank move via dma. (re)enable multisector transfer

[z180-stamp-cpm3.git] / cbios / sdio.180

diff --git a/cbios/sdio.180 b/cbios/sdio.180
index cf9310e1ecfc218b313e900e93d59a59a436bdc9..220a15f4c6407e626d91044bea0abfe4eac862f2 100644 (file)
--- a/cbios/sdio.180
+++ b/cbios/sdio.180
@@ -174,26 +174,26 @@ sd$write:
        ld      c,2\r
 rw$common:\r
 \r
-;      ld      hl,residual     ; remainng sectors from last multi io?\r
-;      ld      a,(hl)\r
-;      sub     a,1\r
-;      jr      c,rwc_new_sectors\r
-;\r
-;      ld      (hl),a\r
-;      xor     a\r
-;      ret\r
+       ld      hl,residual     ; remainng sectors from last multi io?\r
+       ld      a,(hl)\r
+       sub     a,1\r
+       jr      c,rwc_new_sectors\r
+\r
+       ld      (hl),a\r
+       xor     a\r
+       ret\r
 \r
 rwc_new_sectors:\r
        ld      b,1             ; assume 1 sector to transfer\r
-;      ld      a,(@cnt)\r
-;      or      a\r
-;      jr      z,rwc_doit\r
-;\r
-;      ld      b,a             ; number of sectors to transfer\r
-;      dec     a               ; save remaining\r
-;      ld      (hl),a\r
-;      xor     a               ; reset multi sector count\r
-;      ld      (@cnt),a\r
+       ld      a,(@cnt)\r
+       or      a\r
+       jr      z,rwc_doit\r
+\r
+       ld      b,a             ; number of sectors to transfer\r
+       dec     a               ; save remaining\r
+       ld      (hl),a\r
+       xor     a               ; reset multi sector count\r
+       ld      (@cnt),a\r
 \r
 ; compute pysical transfer address\r
 ;     prepare message\r