Lynx update including file routines that access a file system on a cartridge

by Karri Kaksonen. git-svn-id: svn://svn.cc65.org/cc65/trunk@4892 b7a2c559-68d2-44c3-8de9-860c34a00d81
2010-12-29 10:37:57 +00:00
parent 4a92522c82
commit d993b332a4
10 changed files with 447 additions and 1 deletions
--- a/libsrc/lynx/exec.s
+++ b/libsrc/lynx/exec.s
@@ -0,0 +1,34 @@
+;
+; Karri Kaksonen, 2010
+;
+; lynx_exec(fileno) loads a file into memory but after the read the CPU
+; does a jump into the loaded start address.
+;
+; lynx_exec is often used in compilation carts when you run small demos
+; created with various (non-cc65) compilers.
+; 
+; void lynx_exec(int fileno)
+;
+	.importzp	_FileDestAddr
+	.import		pushax,ldax0sp,incsp2
+	.import		_lynx_load
+	.export		_lynx_exec
+
+; ---------------------------------------------------------------
+; void __near__ __fastcall__ lynx_exec (int)
+; ---------------------------------------------------------------
+
+.segment	"CODE"
+
+.proc	_lynx_exec: near
+
+.segment	"CODE"
+
+	jsr     pushax
+	jsr     ldax0sp
+	jsr     _lynx_load
+	jsr     incsp2
+	jmp	(_FileDestAddr)
+
+.endproc
+