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changeset 1900:71cac8cb5027

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Driver now properly accesses hardware registers via Y instead of embedding address directly in driver.
author boisy
date Sat, 29 Oct 2005 17:40:06 +0000
parents 010adb3de936
children 311bb8001b95
files 3rdparty/drivers/disto/rampak.asm
diffstat 1 files changed, 3 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/3rdparty/drivers/disto/rampak.asm	Wed Oct 26 22:36:06 2005 +0000
+++ b/3rdparty/drivers/disto/rampak.asm	Sat Oct 29 17:40:06 2005 +0000
@@ -91,7 +91,6 @@
 *
 Write    pshs  cc
          bsr   SlctSlot
-         ldy   V.PORT,u
 WritLoop lda   ,x+
          stb   ,y
          sta   3,y
@@ -116,7 +115,6 @@
 
 ReadSect pshs  cc
          bsr   SlctSlot
-         ldy   V.PORT,u
 ReadLoop stb   ,y
          lda   3,y
          sta   ,x+
@@ -158,9 +156,10 @@
          mul              multiply drive no. times $11
          stb   >MPI.Slct  set new MPI slot no.
          tfr   x,d
-         sta   >$FF42     write LSN hi byte to PAK
-         stb   >$FF41     write LSN lo byte to PAK
          ldx   PD.BUF,y   load X with address of path buffer
+         ldy   V.PORT,u	  get HW addr
+         sta   2,y        write LSN hi byte to PAK
+         stb   1,y        write LSN lo byte to PAK
          clrb  
          rts