Ultimate 64 tape improvements

bin/README.md

@@ -1,7 +1,6 @@
 
 Follow these rules, or bad things will happen!
 
-
 * Don't mix ROMs for different platforms - use generic BASIC with generic KERNAL, Ultimate64 BASIC with Ultimate64 KERNAL, etc.
 
 * Don't mix these ROMs with any other ROMs; exceptions:
@@ -11,9 +10,14 @@ Follow these rules, or bad things will happen!
 
    - chargen_*.rom - these ones are fully interchangeable
 
-- Don't mix ROMs from different builds/versions (again, CHARGEN is an exception).
+* Don't mix ROMs from different builds/versions (again, CHARGEN is an exception).
 
-- The generic ROM set should be compatible with any C64-compatible machine; platform-specific ROMs might not work on other platforms.
+* The generic ROM set should be compatible with any C64-compatible machine; platform-specific ROMs might not work on other platforms.
+
+
+For Ultimate 64 the following settinghs are recommended:
+
+* U64 Specific Settings -> Turbo Control -> U64 Turbo Registers
 
 
 Have fun!

src/,,config_generic.s

@@ -71,8 +71,8 @@
 ;; #CONFIG# KEY_REPEAT_DEFAULT         NO
 ;; #CONFIG# KEY_REPEAT_ALWAYS          NO
 ;; #CONFIG# KEY_FAST_SCAN              YES
-;; #CONFIG# JOY1_CURSOR                YES
+;; #CONFIG# JOY1_CURSOR                NO
-;; #CONFIG# JOY2_CURSOR                YES
+;; #CONFIG# JOY2_CURSOR                NO
 
 ;; #CONFIG# PROGRAMMABLE_KEYS          YES
 

src/aliases/,aliases_ram_lowmem.s

@@ -121,7 +121,7 @@
 !ifndef CONFIG_LEGACY_SCNKEY {
 	!addr BITTS     = $B4  ;          -- NOT IMPLEMENTED --
 }
-	!addr NXTBIT    = $B5  ;          -- NOT IMPLEMENTED --
+	!addr NXTBIT    = $B5  ;          -- NOT IMPLEMENTED -- [!] also used by tape routine, we use it only for Ultimate 64 turbo handling
 !ifndef CONFIG_LEGACY_SCNKEY {
 	!addr RODATA    = $B6  ;          -- NOT IMPLEMENTED --
 }

src/kernal/assets/kernal_messages.s

@@ -19,9 +19,8 @@
 !ifdef HAS_TAPE {
 !addr __MSG_KERNAL_PRESS_PLAY         = __msg_kernalplay               - __msg_kernal_first
 !addr __MSG_KERNAL_FOUND              = __msg_kernalfound              - __msg_kernal_first
-!ifdef CONFIG_MB_M65 {
+!addr __MSG_KERNAL_OK                 = __msg_kernalok                 - __msg_kernal_first
-!addr __MSG_KERNAL_OK_SEARCHING       = __msg_kernaloksearching        - __msg_kernal_first
+}
-} }
 
 !ifdef CONFIG_PANIC_SCREEN {
 !addr __MSG_KERNAL_PANIC              = __msg_kernalpanic              - __msg_kernal_first
@@ -70,14 +69,10 @@ __msg_kernalfound:
 	!pet  "found"
 	!byte $80 + $20 ; end of string mark + space
 
-!ifdef CONFIG_MB_M65 {
+__msg_kernalok:
-
-__msg_kernaloksearching:
 	!pet  "ok"
-	!byte $0D, $0D
+	!byte $80 + $0D ; end of string mark + return
-	!pet  "searchin"
+}
-	!byte $80 + $47 ; end of string mark + 'G'
-} }
 
 !ifdef CONFIG_PANIC_SCREEN {
 

src/kernal/board_m65/mega65_imports.s

@@ -72,7 +72,7 @@
 ;; #ALIAS# print_return                    = KERNAL_0.proxy_K1_print_return
 
 ;; #ALIAS# __MSG_KERNAL_PRESS_PLAY         = KERNAL_0.__MSG_KERNAL_PRESS_PLAY
-;; #ALIAS# __MSG_KERNAL_OK_SEARCHING       = KERNAL_0.__MSG_KERNAL_OK_SEARCHING
+;; #ALIAS# __MSG_KERNAL_OK                 = KERNAL_0.__MSG_KERNAL_OK
 ;; #ALIAS# __MSG_KERNAL_FOUND              = KERNAL_0.__MSG_KERNAL_FOUND
 
 ;; #ALIAS# tape_normal_byte_store          = KERNAL_0.tape_normal_byte_store

src/kernal/tape/tape_common.s

@@ -113,13 +113,10 @@ tape_prepare_reading:
 
 } ; CONFIG_TAPE_HEAD_ALIGN
 
-!ifdef CONFIG_MB_M65 {
-
 	; Display confirmation
 
-	ldx #__MSG_KERNAL_OK_SEARCHING
+	ldx #__MSG_KERNAL_OK
 	jsr print_kernal_message
-}
 
 	; Prepare for reading
 

src/kernal/tape/tape_common_screen.s

@@ -19,15 +19,21 @@ tape_screen_on_motor_off:
 	lda COLSTORE
 	sta VIC_EXTCOL
 
-!ifndef CONFIG_MB_M65 {
+!ifdef CONFIG_MB_M65 {
-
-	jmp screen_on
-
-} else {
 
 	jsr M65_MODEGET
 	+bcs screen_on                   ; MEGA65 native mode does not have badlines, no need to enable/disable screen
 	rts
+
+} else ifdef CONFIG_MB_U64 {
+
+	lda NXTBIT
+	sta U64_TURBOCTL                 ; restore turbo control settings
+	jmp screen_on
+
+} else {
+
+	jmp screen_on
 }
 
 
@@ -44,11 +50,7 @@ tape_screen_off_motor_on:
 	lda VIC_EXTCOL
 	sta COLSTORE
 
-!ifndef CONFIG_MB_M65 {
+!ifdef CONFIG_MB_M65 {
-
-	jsr screen_off
-
-} else {
 
 	jsr M65_MODEGET
 	; XXX optimize this
@@ -56,6 +58,24 @@ tape_screen_off_motor_on:
 	jsr screen_off
 @1:
 
+} else ifdef CONFIG_MB_U64 {
+
+	lda U64_TURBOCTL
+	sta NXTBIT
+	cmp #$FF
+	beq @1                             ; branch if no turbo control available
+
+	lda #$8F                           ; max speed, no badlines
+	sta U64_TURBOCTL
+	bne @2                             ; branch always
+
+@1:
+	jsr screen_off
+@2:
+
+} else {
+
+	jsr screen_off
 }
 
 	jmp tape_motor_on