CBDOS can now return status

src/,,config_mega65.s

@@ -66,7 +66,7 @@
 
 ;; #CONFIG# KEYCMD_HELP                "LIST"
 
-;; #CONFIG# KEYCMD_F9                  "REM F9"
+;; #CONFIG# KEYCMD_F9                  "@20$"
 ;; #CONFIG# KEYCMD_F10                 "\5FL"
 ;; #CONFIG# KEYCMD_F11                 "COLORSET 128"
 ;; #CONFIG# KEYCMD_F12                 "\5FHF"

src/dos_m65/,aliases_dos.s

@@ -21,14 +21,23 @@
 
 	; General DOS status
 
-	!addr IDX_LISTENER     = $8008 ; listener idx * 2, >=$80 = none - for calling routines via vector table
+	!addr IDX1_LISTENER    = $8008 ; listener idx, >=$80 = none
-	!addr IDX_TALKER       = $8009 ; talker   idx * 2, >=$80 = none - for calling routines via vector table
+	!addr IDX2_LISTENER    = $8009 ; listener idx * 2, >=$80 = none - for calling routines via vector table
+	!addr IDX1_TALKER      = $800A ; talker idx, >=$80 = none
+	!addr IDX2_TALKER      = $800B ; talker idx * 2, >=$80 = none - for calling routines via vector table
 
-	; Free space: $800A-$806F
+	; Free space: $800C-$8069
+
+	!addr XX_CHANNEL       = $806A ; current channel
+	!addr SD_CHANNEL       = $806A ; - SD card
+	!addr FD_CHANNEL       = $806B ; - floppy
+	!addr RD_CHANNEL       = $806C ; - ram disk
+
+	!addr XX_STATUS_IDX    = $806D ; index byte for reading status 
+	!addr SD_STATUS_IDX    = $806D ; - SD card
+	!addr FD_STATUS_IDX    = $806E ; - floppy
+	!addr RD_STATUS_IDX    = $806F ; - ram disk
 
 	!addr SD_STATUS_STR    = $8070 ; status string for SD card, terminated by 0
-	!addr SD_STATUS_IDX    = $809F ; index byte for reading status
 	!addr FD_STATUS_STR    = $80A0 ; status string for floppy drive, terminated by 0
-	!addr FD_STATUS_IDX    = $80CF ; index byte for reading status
 	!addr RD_STATUS_STR    = $80D0 ; status string for ram disk, terminated by 0
-	!addr RD_STATUS_IDX    = $80FF ; index byte for reading status

src/dos_m65/dos_acptr_ciout.s

@@ -5,13 +5,89 @@
 ;
 
 
-dos_ACPTR:
+dos_ACPTR: ; does not have to preserve .X
 
-	; XXX provide implementation
+	ldx IDX1_TALKER
+	bmi dos_ACPTR_fail
+
+	lda XX_CHANNEL, X
+	cmp #$0F
+	beq dos_ACPTR_status
+
+	; XXX providde implementation for non-status streams
+
+	jmp dos_ACPTR_fail
+
+dos_ACPTR_status:
+
+	ldx IDX2_TALKER
+	jsr (dos_ACPTR_getsts_table, X)
+	sta TBTCNT                         ; byte return
+	beq dos_ACPTR_reset_status
+
+	; XXX
+
+	clc
+	rts
+
+dos_ACPTR_fail:
+
+	; XXX set error code
 
 	sec
 	rts
 
+dos_ACPTR_reset_status:
+
+	; XXX replace status with OK instead
+
+	ldx IDX1_TALKER
+	lda #$00
+	sta XX_STATUS_IDX,x
+
+	; FALLTROUGH
+
+dos_ACPTR_eoi:
+
+	jsr kernalstatus_EOI
+	
+	clc
+	rts
+
+dos_ACPTR_getsts_SD:                   ; get next byte of status - SD card
+
+	ldx SD_STATUS_IDX
+	inc SD_STATUS_IDX
+	lda SD_STATUS_STR,x
+	rts
+
+dos_ACPTR_getsts_FD:                   ; get next byte of status - floppy
+
+	ldx FD_STATUS_IDX
+	inc FD_STATUS_IDX
+	lda FD_STATUS_STR,x
+	rts
+
+dos_ACPTR_getsts_RD:                   ; get next byte of status - ram disk
+
+	ldx RD_STATUS_IDX
+	inc RD_STATUS_IDX
+	lda RD_STATUS_STR,x
+	rts
+
+
+dos_ACPTR_getsts_table:
+
+	!word dos_ACPTR_getsts_SD
+	!word dos_ACPTR_getsts_FD
+	!word dos_ACPTR_getsts_RD
+
+
+
+
+
+
+
 
 
 dos_CIOUT:
@@ -20,3 +96,14 @@ dos_CIOUT:
 
 	sec
 	rts
+
+
+
+kernalstatus_EOI:
+
+	; XXX reuse original code instead
+
+	lda IOSTATUS
+	ora #K_STS_EOI
+	sta IOSTATUS
+	rts

src/dos_m65/dos_init.s

@@ -34,8 +34,10 @@ dos_INIT:
 	; Clear listener / talker
 
 	lda #$FF
-	sta IDX_LISTENER
+	sta IDX1_LISTENER
-	sta IDX_TALKER
+	sta IDX2_LISTENER
+	sta IDX1_TALKER
+	sta IDX2_TALKER
 
 	; Initialize device handlers
 

src/dos_m65/dos_listen_talk.s

@@ -22,19 +22,22 @@ dos_LISTEN:
 	cmp UNIT_FLOPPY
 	bne @2
 
-	lda #$02
+	lda #$01
 	bra dos_LISTEN_success
 @2:
 	cmp UNIT_RAMDISK
 	bne dos_fail_TALK_LISTEN
 
-	lda #$04
+	lda #$02
 	
 	; FALLTROUGH
 
 dos_LISTEN_success:
 
-	sta IDX_LISTENER
+	sta IDX1_LISTENER
+	asl
+	sta IDX2_LISTENER 
+
 	bra dos_common_LSN_TALK_UN
 
 ; TALK
@@ -54,19 +57,22 @@ dos_TALK:
 	cmp UNIT_FLOPPY
 	bne @2
 
-	lda #$02
+	lda #$01
 	bra dos_TALK_success
 @2:
 	cmp UNIT_RAMDISK
 	bne dos_fail_TALK_LISTEN
 
-	lda #$04
+	lda #$02
 	
 	; FALLTROUGH
 
 dos_TALK_success:
 
-	sta IDX_TALKER
+	sta IDX1_TALKER
+	asl
+	sta IDX2_TALKER
+
 	bra dos_common_LSN_TALK_UN
 
 dos_fail_TALK_LISTEN:
@@ -82,14 +88,16 @@ dos_UNLSN:
 
 	pha
 	lda #$FF
-	sta IDX_LISTENER
+	sta IDX1_LISTENER
+	sta IDX2_LISTENER
 	bra dos_common_LSN_TALK_UN
 
 dos_UNTLK:
 
 	pha
 	lda #$FF
-	sta IDX_TALKER
+	sta IDX1_TALKER
+	sta IDX2_TALKER
 
 	; FALLTROUGH
 

src/dos_m65/dos_second_tksa.s

@@ -15,6 +15,7 @@ dos_SECOND:
 
 dos_TKSA:
 
+	phx
 	pha
 	and #$60
 	bne dos_TKSA_OPEN
@@ -22,6 +23,7 @@ dos_TKSA:
 
 	; XXX provide implementation
 
+	plx
 	sec
 	rts
 
@@ -30,11 +32,16 @@ dos_TKSA_OPEN:
 
 	pla
 	and #$1F
+
+	ldx IDX1_TALKER          ; store channel
+	sta XX_CHANNEL, X
+
 	cmp #$0F
 	beq dos_TKSA_OPEN_cmd
 
 	; XXX provide implementation
 
+	plx
 	sec
 	rts
 
@@ -43,5 +50,6 @@ dos_TKSA_OPEN_cmd:
 
 	; XXX provide implementation
 
-	sec
+	plx
+	clc
 	rts

tools/generate_strings.cc

@@ -1224,7 +1224,7 @@ void DataSet::generateConfigDepStrings()
 
     // CBDOS features
 
-    featureStrM65 += "CBDOS  : CARD ";
+    featureStrM65 += "CBDOS  : SDCARD ";
 
     // Keyboard support features