cleanups and add more comments

[cc65] / libsrc / lynx / extzp.s

diff --git a/libsrc/lynx/extzp.s b/libsrc/lynx/extzp.s
index 3cbbdb7d0f8dff381e6727a9d6676b3d5da8f383..f22cfaefb584652e4b937afd679f88c11160e97f 100644 (file)
--- a/libsrc/lynx/extzp.s
+++ b/libsrc/lynx/extzp.s
@@ -16,4 +16,23 @@ __iodir:    .res    1
 __viddma:   .res    1
 __sprsys:   .res    1
 
+; ------------------------------------------------------------------------
+; sound effect pointers for multitimbral Lynx music hardware
+_abc_score_ptr0: .res 2
+_abc_score_ptr1: .res 2
+_abc_score_ptr2: .res 2
+_abc_score_ptr3: .res 2
+
+; ------------------------------------------------------------------------
+; Filesystem variables needed for reading stuff from the Lynx cart
+_FileEntry:                     ; The file directory entry is 8 bytes
+_FileStartBlock:    .res   1
+_FileBlockOffset:   .res   2
+_FileExecFlag:      .res   1
+_FileDestAddr:      .res   2
+_FileFileLen:       .res   2
+
+_FileCurrBlock:     .res   1
+_FileBlockByte:     .res   2
+_FileDestPtr:       .res   2