started separating 'printf' as debug-only routine

c64/,,config_generic.s

@@ -23,4 +23,5 @@
 #define CONFIG_DOS_WEDGE
 #define CONFIG_BCD_SAFE_INTERRUPTS
 
-// #define CONFIG_STUBS_BRK
+// #define CONFIG_DBG_STUBS_BRK
+#define CONFIG_DBG_PRINTF

c64/,,config_mega65.s

@@ -23,4 +23,5 @@
 #define CONFIG_DOS_WEDGE
 #define CONFIG_BCD_SAFE_INTERRUPTS
 
-// #define CONFIG_STUBS_BRK
+// #define CONFIG_DBG_STUBS_BRK
+#define CONFIG_DBG_PRINTF

c64/,,config_ultimate64.s

@@ -23,4 +23,5 @@
 #define CONFIG_DOS_WEDGE
 #define CONFIG_BCD_SAFE_INTERRUPTS
 
-// #define CONFIG_STUBS_BRK
+// #define CONFIG_DBG_STUBS_BRK
+#define CONFIG_DBG_PRINTF

c64/aliases/,aliases_config.s

@@ -75,7 +75,7 @@
 
 .macro STUB_IMPLEMENTATION()
 {
-#if CONFIG_STUBS_BRK
+#if CONFIG_DBG_STUBS_BRK
 	STUB_IMPLEMENTATION_BRK()
 #else
 	STUB_IMPLEMENTATION_RTS()

c64/basic/,imports.s

@@ -3,5 +3,9 @@
 
 #import "KERNAL_combined.sym"
 
+
+#if CONFIG_DBG_PRINTF
 .label printf              = KERNAL.printf
-.label printf_printhexbyte = KERNAL.printf_printhexbyte
+#endif
+
+.label print_hex_byte      = KERNAL.print_hex_byte

c64/basic/basic_warm_start.s

@@ -16,12 +16,11 @@ basic_warm_start:
 	jsr print_packed_message
 
 	lda CMP0+1
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	lda CMP0+0
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	lda #$0D
 	jsr JCHROUT
 
 !:
 	jmp basic_main_loop
-

c64/basic/cmd_break.s

@@ -1,17 +1,16 @@
 cmd_stop:
-	jsr printf // XXX don't use printf, use packed messages!
-	.text "BREAK"
-	.byte 0
+	ldx #38 // "BREAK"
+	jsr print_packed_message
 
-	// Check for direct mode
 	// Are we in direct mode
 	lda CURLIN+1
 	cmp #$FF
 	beq !+
+
 	// Not direct mode
-	jsr printf // XXX don't use printf, use packed messages!
-	.text " IN "
-	.byte 0
+	ldx #37
+	jsr print_packed_message
+
 	lda CURLIN+1
 	ldx CURLIN+0
 	jsr print_integer

c64/basic/do_basic_error.s

@@ -152,9 +152,8 @@ do_basic_error:
 	beq !+
 
 	// We were in a program, so show IN <line>
-	jsr printf // XXX don't use printf, use packed messages
-	.text " IN "
-	.byte 0
+	ldx #37
+	jsr print_packed_message
 
 	lda CURLIN+1
 	ldx CURLIN+0

c64/kernal/lvs_helpers.s

@@ -117,9 +117,9 @@ lvs_display_start_addr:
 	.text " FROM $"
 	.byte 0
 	lda STAL+1
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	lda STAL+0
-	jmp printf_printhexbyte
+	jmp print_hex_byte
 
 lvs_display_done:
 	// Display end address
@@ -129,9 +129,9 @@ lvs_display_done:
 	.text " TO $"
 	.byte 0
 	lda STAL+1
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	lda STAL+0
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	lda #$0D
 	jmp JCHROUT
 

c64/kernal/print_hex_byte.s

@@ -0,0 +1,48 @@
+
+//
+// Print the hex value in .A as two digits
+//
+
+print_hex_byte:
+
+#if HAS_BCD_SAFE_INTERRUPTS
+
+	// Idea by Haubitze
+
+	sed
+	pha
+	lsr
+	lsr
+	lsr
+	lsr
+	cmp #$0A
+	adc #$30
+	jsr JCHROUT
+	pla
+	and #$0F
+	cmp #$0A
+	adc #$30
+	cld
+	jmp JCHROUT
+
+#else
+
+	pha
+	lsr
+	lsr
+	lsr
+	lsr
+	ora #$30
+	cmp #$3A
+	bcc !+
+	adc #6
+!:	jsr JCHROUT
+	pla
+	and #$0f
+	ora #$30
+	cmp #$3A
+	bcc !+
+	adc #6
+!:	jmp JCHROUT
+
+#endif

c64/kernal/printf.s

@@ -9,6 +9,8 @@
 // .byte 2,$low,$hi = display word as hex
 // .byte $f0+n,$low,$hi = display byte at $hi$lo+n as hex
 
+#if CONFIG_DBG_PRINTF
+
 printf:
 	// Temporary storage is between end of screen at $0400
 	// and the sprite pointers at $7f8
@@ -63,7 +65,7 @@ printf_continues:
 	// Read the low byte
 	jsr $7f4
 	// Print as hex
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	jmp printf_nextchar
 	
 not_hexbyte:
@@ -77,13 +79,13 @@ not_hexbyte:
 	// Read the high byte
 	jsr $7f4
 	// Print as hex
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	// Skip the token
 	jsr printf_retreat
 	// Read the low byte
 	jsr $7f4
 	// Print as hex
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	jsr printf_advance
 	jmp printf_nextchar
 	
@@ -107,7 +109,7 @@ not_hexword:
 	sta $fe
 
 	lda ($fd),y
-	jsr printf_printhexbyte
+	jsr print_hex_byte
 	jmp printf_nextchar
 
 not_pointer:	
@@ -118,7 +120,6 @@ printf_nextchar:
 	jsr printf_advance
 	jmp printf_loop
 
-
 printf_advance:
 	// Advance pointer to next character
 	inc $7f5
@@ -138,48 +139,5 @@ printf_retreat:
 	sta $7f6
 	rts
 
-printf_printhexbyte:
+#endif // CONFIG_DBG_PRINTF
 
-	// Print the hex value in .A as two digits
-
-#if HAS_BCD_SAFE_INTERRUPTS
-
-	// Idea by Haubitze
-
-	sed
-	pha
-	lsr
-	lsr
-	lsr
-	lsr
-	cmp #$0A
-	adc #$30
-	jsr JCHROUT
-	pla
-	and #$0F
-	cmp #$0A
-	adc #$30
-	cld
-	jmp JCHROUT
-
-#else
-
-	pha
-	lsr
-	lsr
-	lsr
-	lsr
-	ora #$30
-	cmp #$3A
-	bcc !+
-	adc #6
-!:	jsr JCHROUT
-	pla
-	and #$0f
-	ora #$30
-	cmp #$3A
-	bcc !+
-	adc #6
-!:	jmp JCHROUT
-
-#endif