head align tool is now finished

c64/,,config_mega65.s

@@ -115,7 +115,7 @@
 #define CONFIG_PANIC_SCREEN
 #define CONFIG_DOS_WEDGE
 #define CONFIG_TAPE_WEDGE
-// #define CONFIG_TAPE_HEAD_ALIGN
+#define CONFIG_TAPE_HEAD_ALIGN
 #define CONFIG_BCD_SAFE_INTERRUPTS
 
 

c64/kernal/board_m65/mega65_imports.s

@@ -8,7 +8,6 @@
 #import "KERNAL_0_combined.sym"
 
 
-.label CLALL                           = KERNAL_0.CLALL
 .label STOP                            = KERNAL_0.STOP
 
 .label hw_entry_reset                  = KERNAL_0.hw_entry_reset
@@ -63,6 +62,7 @@
 
 #if CONFIG_TAPE_HEAD_ALIGN
 
+.label CLALL                           = KERNAL_0.proxy_K1_CLALL
 .label nmi_lock                        = KERNAL_0.nmi_lock
 
 #endif

c64/kernal/board_m65/mega65_proxies.s

@@ -56,3 +56,14 @@ proxy_K1_print_return:
 	jmp map_KERNAL_1
 
 #endif
+
+
+#if CONFIG_TAPE_HEAD_ALIGN
+
+proxy_K1_CLALL:
+
+	jsr map_NORMAL
+	jsr CLALL
+	jmp map_KERNAL_1
+
+#endif

c64/kernal/init/fce2.hw_entry_reset.s

@@ -25,6 +25,12 @@ hw_entry_reset:
 	ldx #$FF
 	txs
 
+#if ROM_LAYOUT_M65
+
+	jsr map_NORMAL           // we want normal memory mapping
+
+#endif
+
 #if CONFIG_PLATFORM_COMMODORE_64
 
 	// The following routine is based on reading the public KERNAL jumptable routine

c64/kernal/tape/tape_head_align.s

@@ -11,9 +11,6 @@
 
 // XXX for Mega65 it can be done more easily, by just disabling the badlines
 
-// XXX document CONFIG_TAPE_HEAD_ALIGN option
-// XXX fix Mega65 build compilation issues
-
 
 .label __ha_start       = 12             // starting row of the chart
 .label __ha_rows        = 11             // number of rows for scrolling
@@ -50,7 +47,7 @@ tape_head_align:
 	sei
 
 	jsr IOINIT
-	jsr CINT
+	// jsr CINT
 
 	jsr nmi_lock