more refactoring towards RAM disk support

Makefile

@@ -68,9 +68,9 @@ SRCDIR_DOS_M65 = $(SRCDIR_COMMON) \
                  src/dos_m65/filesystem_vfs \
                  src/dos_m65/lowlevel \
                  src/dos_m65/pseudoiec \
+                 src/dos_m65/unit_card \
                  src/dos_m65/unit_disk \
                  src/dos_m65/unit_ramdisk \
-                 src/dos_m65/unit_sdcard \
                  src/dos_m65/utils
 
 SRCDIR_MON_M65 = $(SRCDIR_COMMON) \

src/dos_m65/dos_init.s

@@ -84,9 +84,9 @@ dos_INIT:
 
 	; Initialize device handlers
 
-	jsr unit_sd_init
-	jsr unit_fd_init
-	jsr unit_rd_init
+	jsr card_sd_init
+	jsr disk_fd_init
+	jsr disk_rd_init
 
 	; Safer version of 'dos_EXIT' - does not affect speed related registers
 

src/dos_m65/dos_preload.s

@@ -13,5 +13,5 @@ dos_PRELOAD:
 	rts
 @ok:
 	jsr dos_ENTER
-	jsr unit_rd_preload
+	jsr disk_rd_preload
 	jmp dos_EXIT_CLC

src/dos_m65/dos_vectab_unit.s

@@ -6,13 +6,15 @@
 
 dos_cmd_OPEN_vectab:
 
-	!word unit_sd_cmd_OPEN
-	!word unit_disk_cmd_OPEN
-	!word unit_disk_cmd_OPEN
+	!word card_sd_cmd_OPEN
+	!word disk_xx_cmd_OPEN
+	!word disk_xx_cmd_OPEN
+	!word disk_xx_cmd_OPEN
 
 
 dos_cmd_CLOSE_vectab:
 
-	!word unit_sd_cmd_CLOSE
-	!word unit_fd_cmd_CLOSE
-	!word unit_rd_cmd_CLOSE
+	!word card_sd_cmd_CLOSE
+	!word disk_fd_cmd_CLOSE
+	!word disk_fd_cmd_CLOSE
+	!word disk_rd_cmd_CLOSE

src/dos_m65/pseudoiec/msg_acptr.s

@@ -60,7 +60,7 @@ msg_ACPTR_read_SD:
 
 	ora SD_ACPTR_LEN+1
 	bne @3
-	jsr unit_sd_cmd_READ
+	jsr card_sd_cmd_READ
 	bcc @3
 	jsr kernalstatus_EOI
 @3:
@@ -90,7 +90,7 @@ msg_ACPTR_read_F0:
 
 	ora F0_ACPTR_LEN+1
 	bne @3
-	jsr unit_f0_cmd_READ
+	jsr disk_f0_cmd_READ
 	bcc @3
 	jsr kernalstatus_EOI
 @3:
@@ -120,7 +120,7 @@ msg_ACPTR_read_F1:
 
 	ora F1_ACPTR_LEN+1
 	bne @3
-	jsr unit_f1_cmd_READ
+	jsr disk_f1_cmd_READ
 	bcc @3
 	jsr kernalstatus_EOI
 @3:

src/dos_m65/pseudoiec/msg_ciout.s

@@ -58,7 +58,7 @@ msg_CIOUT_cmdfn_SD:                    ; get next byte of status - SD card
 	lda #$A0
 	sta SD_CMDFN_BUF,x
 	plp
-	+bcs unit_sd_cmd_OPEN_EOI          ; if EOI - execute command
+	+bcs card_sd_cmd_OPEN_EOI          ; if EOI - execute command
 	jmp dos_EXIT_CLC
 
 msg_CIOUT_cmdfn_F0:                    ; get next byte of status - floppy
@@ -104,7 +104,7 @@ msg_CIOUT_cmdfn_RD:                    ; get next byte of status - ram disk
 msg_CIOUT_cmdfn_FX:                    ; common pard for floppy and RAM disk
 
 	plp
-	+bcs unit_disk_cmd_OPEN_EOI        ; if EOI - execute command
+	+bcs disk_fd_cmd_OPEN_EOI        ; if EOI - execute command
 	jmp dos_EXIT_CLC
 
 msg_CIOUT_cmdfn_vectab:

src/dos_m65/unit_card/card_sd_cmd_close.s

@@ -4,7 +4,7 @@
 ;
 
 
-unit_sd_cmd_CLOSE:
+card_sd_cmd_CLOSE:
 
 	; XXX provide implementation
 

src/dos_m65/unit_card/card_sd_cmd_open.s

@@ -4,14 +4,14 @@
 ;
 
 
-unit_sd_cmd_OPEN:
+card_sd_cmd_OPEN:
 
 	lda #$01                 ; mode: receive command or file name
 	sta SD_MODE
 
 	jmp dos_EXIT_CLC
 
-unit_sd_cmd_OPEN_EOI:
+card_sd_cmd_OPEN_EOI:
 
 	; XXX this dispatcher is temporary
 
@@ -26,11 +26,11 @@ unit_sd_cmd_OPEN_EOI:
 
 	lda SD_CMDFN_BUF
 	cmp #'$'
-	beq unit_sd_cmd_OPEN_dir
+	beq card_sd_cmd_OPEN_dir
 
 	; FALLTROUGH
 
-unit_sd_cmd_OPEN_file:
+card_sd_cmd_OPEN_file:
 
 	; Copy the filter from command     XXX this should be moved to common part and deduplicated with directory opening
 
@@ -49,7 +49,7 @@ unit_sd_cmd_OPEN_file:
 	jmp fs_vfs_read_file_open
 
 
-unit_sd_cmd_OPEN_dir:
+card_sd_cmd_OPEN_dir:
 
 	lda #$02                 ; mode: read directory
 	sta SD_MODE

src/dos_m65/unit_card/card_sd_cmd_read.s

@@ -4,7 +4,7 @@
 ;
 
 
-unit_sd_cmd_READ:
+card_sd_cmd_READ:
 
 	lda SD_MODE
 	cmp #$03

src/dos_m65/unit_card/card_sd_init.s

@@ -4,7 +4,7 @@
 ;
 
 
-unit_sd_init:
+card_sd_init:
 
 	; Copy initial status string
 

src/dos_m65/unit_disk/disk_fd_cmd_close.s

@@ -4,7 +4,7 @@
 ;
 
 
-unit_fd_cmd_CLOSE:
+disk_fd_cmd_CLOSE:
 
 	; XXX provide implementation
 

src/dos_m65/unit_disk/disk_fd_cmd_open.s

@@ -6,7 +6,7 @@
 ; XXX add support for both floppies
 
 
-unit_disk_cmd_OPEN:
+disk_xx_cmd_OPEN:
 
 	lda #$01                 ; mode: receive command or file name
 	ldx PAR_FSINSTANCE
@@ -14,7 +14,7 @@ unit_disk_cmd_OPEN:
 
 	jmp dos_EXIT_CLC
 
-unit_disk_cmd_OPEN_EOI:
+disk_fd_cmd_OPEN_EOI:
 
 	; XXX this dispatcher is temporary
 
@@ -41,11 +41,11 @@ unit_disk_cmd_OPEN_EOI:
 	lda RD_CMDFN_BUF
 
 	cmp #'$'
-	beq unit_fd_cmd_OPEN_dir           ; XXX add support for second floppy and RAM disk
+	beq disk_fd_cmd_OPEN_dir           ; XXX add support for second floppy and RAM disk
 
 	; FALLTROUGH
 
-unit_fd_cmd_OPEN_file:
+disk_fd_cmd_OPEN_file:
 
 	; XXX add support for second floppy and RAM disk
 
@@ -66,7 +66,7 @@ unit_fd_cmd_OPEN_file:
 	jmp fs_cbm_read_file_open
 
 
-unit_fd_cmd_OPEN_dir:
+disk_fd_cmd_OPEN_dir:
 
 	lda #$02                 ; mode: read directory
 	sta F0_MODE

src/dos_m65/unit_disk/disk_fd_cmd_read.s

@@ -4,15 +4,15 @@
 ;
 
 
-unit_f0_cmd_READ:
+disk_f0_cmd_READ:
 
 	; XXX provide implementation
 
-unit_f1_cmd_READ:
+disk_f1_cmd_READ:
 
 	; XXX provide implementation
 
-unit_fd_cmd_READ:
+disk_f__cmd_READ:
 
 	lda F0_MODE
 	cmp #$03

src/dos_m65/unit_disk/disk_fd_init.s

@@ -4,7 +4,7 @@
 ;
 
 
-unit_fd_init:
+disk_fd_init:
 
 	; Copy status string
 

src/dos_m65/unit_disk/disk_rd_cmd_close.s

@@ -3,10 +3,8 @@
 ; Close currently opened file
 ;
 
-; XXX to be unified with floppy code
 
-
-unit_rd_cmd_CLOSE:
+disk_rd_cmd_CLOSE:
 
 	; XXX provide implementation
 

src/dos_m65/unit_disk/disk_rd_init.s

@@ -4,7 +4,7 @@
 ;
 
 
-unit_rd_init:
+disk_rd_init:
 
 
 	; Copy status string
@@ -26,7 +26,7 @@ unit_rd_init:
 
 	; FALLTROUGH
 
-unit_rd_init_test_ram:                 ; non-destructive ATTIC/CELLAR RAM test
+disk_rd_init_test_ram:                 ; non-destructive ATTIC/CELLAR RAM test
 
 	; Preserve temporary address area on stack
 

src/dos_m65/unit_disk/disk_rd_preload.s

@@ -7,12 +7,12 @@
 !addr __stoptrack = RD_DIR_PHASE       ; helper value for detecting too large image
 
 
-unit_rd_preload:
+disk_rd_preload:
 
 	; Check if RAM disk is enabled (should be disabled if no Hyper RAM is present)
 
 	lda UNIT_RAMDISK
-	+beq unit_rd_preload_err_common_noclose
+	+beq disk_rd_preload_err_common_noclose
 
 	; Select SD card buffer
 
@@ -51,13 +51,13 @@ unit_rd_preload:
 
 	lda RAM_ATTIC
 	beq @added_attic
-	jsr unit_rd_preload_addram
+	jsr disk_rd_preload_addram
 
 @added_attic:
 
 	lda RAM_CELLAR
 	beq @added_cellar
-	jsr unit_rd_preload_addram
+	jsr disk_rd_preload_addram
 
 @added_cellar:
 
@@ -168,22 +168,22 @@ unit_rd_preload:
 @error_wrong_size:
 
 	lda #$01
-	jmp unit_rd_preload_err_common
+	jmp disk_rd_preload_err_common
 
 @error_too_large:
 
 	lda #$02
-	jmp unit_rd_preload_err_common
+	jmp disk_rd_preload_err_common
 
 @error_not_found:
 
 	lda #$03
 	sta RD_MSG
 
-	jmp unit_rd_preload_err_common_noclose
+	jmp disk_rd_preload_err_common_noclose
 
 
-unit_rd_preload_err_common:
+disk_rd_preload_err_common:
 
 	sta RD_MSG                         ; set code for startup screen
 
@@ -191,7 +191,7 @@ unit_rd_preload_err_common:
 
 	; FALLTROUGH
 
-unit_rd_preload_err_common_noclose:
+disk_rd_preload_err_common_noclose:
 
 	lda #$00                           ; temporary storage needs to be restored to 0
 	sta __stoptrack
@@ -201,7 +201,7 @@ unit_rd_preload_err_common_noclose:
 
 
 
-unit_rd_preload_addram:
+disk_rd_preload_addram:
 
 	; Add allowed number of tracks due to attic/cellar block presence
 

src/dos_m65/unit_ramdisk/disk_rd_cmd_open.s

@@ -6,7 +6,7 @@
 ; XXX to be unified with floppy code
 
 
-unit_rd_cmd_OPEN_EOI:
+disk_rd_cmd_OPEN_EOI:
 
 	; XXX provide implementation
 

src/dos_m65/unit_ramdisk/disk_rd_cmd_read.s

@@ -6,7 +6,7 @@
 ; XXX to be unified with floppy code
 
 
-unit_rd_cmd_READ:
+disk_rd_cmd_READ:
 
 	; XXX provide implementation