initial support for cartridge-extended ROMs

src/,,config_cx16.s

@@ -1,5 +1,5 @@
 
-;; #CONFIG# ID $04 ; should be 1 byte, different for each config file!
+;; #CONFIG# ID $E0 ; should be 1 byte, different for each config file!
 
 ;
 ; Please read CONFIG.md before modifying this file!

src/,,config_generic_crt.s

@@ -0,0 +1,132 @@
+
+;; #CONFIG# ID $02 ; should be 1 byte, different for each config file!
+
+;
+; Please read CONFIG.md before modifying this file!
+;
+
+; Idea:
+; - sane defaults for the Commodore 64/128 emulators
+; - use RetroRelplay cartridge image as a ROM extension
+; - do not enable features which are a significant compatibility risk
+
+
+
+; --- Hardware platform and brand
+
+;; #CONFIG# PLATFORM_COMMODORE_64      YES
+;; #CONFIG# BRAND_GENERIC_CRT          YES
+
+
+; --- Processor instruction set
+
+;; #CONFIG# CPU_MOS_6502               YES
+;; #CONFIG# CPU_DTV_6502               NO
+;; #CONFIG# CPU_RCW_65C02              NO
+;; #CONFIG# CPU_WDC_65C02              NO
+;; #CONFIG# CPU_WDC_65816              NO
+;; #CONFIG# CPU_CSG_65CE02             NO
+
+
+; --- Memory model
+
+;; #CONFIG# MEMORY_MODEL_38K           NO
+;; #CONFIG# MEMORY_MODEL_46K           NO
+;; #CONFIG# MEMORY_MODEL_50K           YES
+;; #CONFIG# MEMORY_MODEL_60K           NO
+
+
+; --- IEC bus configuration
+
+;; #CONFIG# IEC                        YES
+;; #CONFIG# IEC_DOLPHINDOS             YES
+;; #CONFIG# IEC_DOLPHINDOS_FAST        YES
+;; #CONFIG# IEC_JIFFYDOS               YES
+;; #CONFIG# IEC_JIFFYDOS_BLANK         YES
+
+
+; --- Tape deck configuration
+
+;; #CONFIG# TAPE_NORMAL                YES
+;; #CONFIG# TAPE_TURBO                 YES
+;; #CONFIG# TAPE_AUTODETECT            YES
+;; #CONFIG# TAPE_NO_KEY_SENSE          NO
+;; #CONFIG# TAPE_NO_MOTOR_CONTROL      NO
+
+
+; --- Sound support
+
+;; #CONFIG# SID_2ND_ADDRESS            NO
+;; #CONFIG# SID_3RD_ADDRESS            NO
+;; #CONFIG# SID_D4XX                   NO
+;; #CONFIG# SID_D5XX                   NO
+;; #CONFIG# SID_D6XX                   NO
+;; #CONFIG# SID_D7XX                   NO
+
+
+; --- Keyboard settings
+
+;; #CONFIG# LEGACY_SCNKEY              NO
+;; #CONFIG# KEYBOARD_C128              NO
+;; #CONFIG# KEYBOARD_C128_CAPS_LOCK    NO
+;; #CONFIG# KEY_REPEAT_DEFAULT         NO
+;; #CONFIG# KEY_REPEAT_ALWAYS          NO
+;; #CONFIG# KEY_FAST_SCAN              YES
+;; #CONFIG# JOY1_CURSOR                NO
+;; #CONFIG# JOY2_CURSOR                NO
+
+;; #CONFIG# PROGRAMMABLE_KEYS          YES
+
+;; #CONFIG# KEYCMD_RUN                 "\5FL"
+
+;; #CONFIG# KEYCMD_F1                  "@8$"
+;; #CONFIG# KEYCMD_F2                  "LOAD"
+;; #CONFIG# KEYCMD_F3                  "@9$"
+;; #CONFIG# KEYCMD_F4                  "RUN:"
+;; #CONFIG# KEYCMD_F5                  "@10$"
+;; #CONFIG# KEYCMD_F6                  NO
+;; #CONFIG# KEYCMD_F7                  "@11$"
+;; #CONFIG# KEYCMD_F8                  NO
+
+;; #CONFIG# KEYCMD_HELP                "LIST"
+
+;; #CONFIG# KEYCMD_F9                  NO
+;; #CONFIG# KEYCMD_F10                 NO
+;; #CONFIG# KEYCMD_F11                 NO
+;; #CONFIG# KEYCMD_F12                 NO
+;; #CONFIG# KEYCMD_F13                 NO
+;; #CONFIG# KEYCMD_F14                 NO
+
+
+; --- Screen editor
+
+;; #CONFIG# EDIT_STOPQUOTE             YES
+;; #CONFIG# EDIT_TABULATORS            NO
+
+
+; --- Software features
+
+;; #CONFIG# PANIC_SCREEN               YES
+;; #CONFIG# DOS_WEDGE                  YES
+;; #CONFIG# TAPE_WEDGE                 YES
+;; #CONFIG# TAPE_HEAD_ALIGN            NO
+;; #CONFIG# BCD_SAFE_INTERRUPTS        YES
+
+
+; --- Eye candy
+
+;; #CONFIG# COLORS_BRAND               YES
+;; #CONFIG# BANNER_SIMPLE              NO
+;; #CONFIG# BANNER_FANCY               YES
+;; #CONFIG# SHOW_FEATURES              YES
+
+
+; --- Debug options
+
+;; #CONFIG# DBG_STUBS_BRK              NO
+;; #CONFIG# DBG_PRINTF                 NO
+
+
+; --- Other
+
+;; #CONFIG# COMPRESSION_LVL_2          NO

src/aliases/,aliases_config.s

@@ -39,6 +39,7 @@
 !set counter = 0
 !ifdef CONFIG_BRAND_CUSTOM       { !set counter = counter + 1 }
 !ifdef CONFIG_BRAND_GENERIC      { !set counter = counter + 1 }
+!ifdef CONFIG_BRAND_GENERIC_CRT  { !set counter = counter + 1 }
 !ifdef CONFIG_BRAND_TESTING      { !set counter = counter + 1 }
 
 !ifndef CONFIG_PLATFORM_COMMODORE_64 {
@@ -51,6 +52,13 @@
 	!error "Please select exactly one CONFIG_BRAND_* option"	
 }
 
+!ifdef CONFIG_BRAND_GENERIC_CRT { !ifndef ROM_LAYOUT_CRT {
+	!error "CONFIG_BRAND_GENERIC_CRT needs cartridge extended ROM set and vice-versa"
+}}
+!ifdef CONFIG_BRAND_GENERIC { !ifndef ROM_LAYOUT_STD {
+	!error "CONFIG_BRAND_GENERIC needs standard ROM set and vice-versa"
+}}
+
 
 
 ; Check that processor configuration is correct

src/kernal/iec_fast/jiffydos_load.s

@@ -29,9 +29,16 @@ jiffydos_load:
 	lda FA
 	jsr TALK
 	bcs jiffydos_load_error
+
+	lda #$01
+	sta CIA2_DDRB ; XXX for test only
+
 	lda #$61
 	jsr TKSA
 
+	lda #$02
+	sta CIA2_DDRB ; XXX for test only
+
 	; XXX flow below most likely takes too much time...
 
 	; Timing is critical, do not allow interrupts
@@ -120,6 +127,9 @@ jiffydos_load_check_loop:
 
 jiffydos_load_error:
 	
+	lda #$F3
+	sta CIA2_DDRB ; XXX for test only
+
 	+panic $03
 
 	; XXX finish the implementation