fixed IOINIT, adapted tape routines to fixed CHROUT

c64/kernal/init/fda3.ioinit.s

@@ -111,10 +111,11 @@ IOINIT:
 	lda #$3F
 	sta CIA2_DDRA    // $DD02
 
-	// XXX how to initialize these timers???
-	// stx CIA1_CRB    // $DC0F
-	// stx CIA2_CRA    // $DD0E
-	// stx CIA2_CRB    // $DD0F
+	// Checked using VICE that original ROM initializes timers this way
+	ldx #$08
+	stx CIA1_CRB    // $DC0F
+	stx CIA2_CRA    // $DD0E
+	stx CIA2_CRB    // $DD0F
 
 	// Set VIC-II bank - at least the 'Operacja Proboszcz' game needs this within IOINIT
 	// Checked on original ROMs, that it sets bit #2 (RS-232 output) high

c64/kernal/tape/tape_common.s

@@ -27,8 +27,6 @@ tape_break_error:
 
 tape_ask_play:
 
-	sei                                // timing is critical for tape loading
-
 #if !CONFIG_TAPE_NO_KEY_SENSE
 
 	// First check whether the button is already pressed
@@ -50,7 +48,6 @@ tape_ask_play:
 
 tape_wait_play_loop:
 
-	jsr udtim_keyboard
 	jsr STOP
 	bcs tape_break_error
 
@@ -299,15 +296,11 @@ tape_load_success:
 
 	jsr tape_screen_on_motor_off
 	jsr lvs_display_done
-
-	cli
 	jmp lvs_return_last_address
 
 tape_load_error:
 
 	jsr tape_screen_on_motor_off
-
-	cli
 	jmp lvs_load_verify_error
 
 

c64/kernal/tape/tape_common_screen.s

@@ -19,6 +19,15 @@ tape_screen_on_motor_off:
 	jmp screen_on
 
 tape_screen_off_motor_on:
+
+	// We do not want interrupts and CHROUT reenables them
+	sei
+
+	// Clear keyboard buffer
+	lda #$00
+	sta NDX	
+
+	// Set screen color
 	lda VIC_EXTCOL
 	sta COLSTORE