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menu_bram.s
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menu_bram.s
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; ***************************************************************************
; ***************************************************************************
;
; menu_bram.s
;
; TEOS Menu Screens
;
; Copyright John Brandwood 2019-2022.
;
; Distributed under the Boost Software License, Version 1.0.
; (See accompanying file LICENSE_1_0.txt or copy at
; http://www.boost.org/LICENSE_1_0.txt)
;
; ***************************************************************************
; ***************************************************************************
; ***************************************************************************
; ***************************************************************************
;
; tos_bram_menu - Text messages for the TENNOKOE SD menu.
;
;
;
;
BRAM_SAVE = 0
BRAM_SWAP = 1
BRAM_LOAD = 2
BRAM_DEL = 3
tbl_bram_title: dw msg_copy_bram
dw msg_swap_bram
dw msg_copy_slot
dw msg_wipe_file
cls_copy_bram: db $0C
msg_copy_bram: db "%>%p5%xl",0
db "%x",0
db "%y",0
db " TENNOKOE SD: Copy BACKUP RAM to SD "
db "%<%p0",$0A,$0A,$0A,0
cls_swap_bram: db $0C
msg_swap_bram: db "%>%p5%xl",0
db "%x",0
db "%y",0
db " TENNOKOE SD: Swap BACKUP RAM with SD "
db "%<%p0",$0A,$0A,$0A,0
cls_copy_slot: db $0C
msg_copy_slot: db "%>%p5%xl",0
db "%x",0
db "%y",0
db " TENNOKOE SD: Copy SD to BACKUP RAM "
db "%<%p0",$0A,$0A,$0A,0
cls_wipe_file: db $0C
msg_wipe_file: db "%>%p5%xl",0
db "%x",0
db "%y",0
; db "----------------------------------------"
db " TENNOKOE SD: Delete file in BACKUP RAM "
db "%<%p0",$0A,$0A,$0A,0
;
;
;
msg_bram_lhs: db "%<%xl",0
db "%y",2
db "%x",1
db "%b",18,19,0
db "%p3"
db "%y",3
db "%x",2
db " Name Size"
db "%x",1
db "%y",21
db "%p0"
db "%p2"
db "%>Console %<"
db "%p2"
db "%r"
dw tos_bram_files + 0
db "Files: %3hu",$0A
db "%r"
dw tos_bram_free + 0
db "%x",9
db "%y",22
db "Free: %4u"
db "%xl",2
db "%x",2
db "%y",4
db "%p0%>",0
;
;
;
msg_bram_rhs: db "%<%xl",0
db "%y",2
db "%x",21
db "%b",18,19,0
db "%p3"
db "%y",3
db "%x",22
db " Name Size"
db "%x",21
db "%y",21
db "%p2"
db "%r"
dw tos_bram_slot
; db "%>Slot %02hu %<"
db "%>Slot #%hu %<"
db "%r"
dw tos_bram_files + 2
db "Files: %3hu",$0A
db "%r"
dw tos_bram_free + 2
db "%x",29
db "%y",22
db "Free: %4u"
db "%xl",22
db "%x",22
db "%y",4
db "%p0%>",0
;
;
;
tbl_bram_help: dw hlp_copy_bram ; Help if box is selected.
dw hlp_swap_bram
dw hlp_copy_slot
dw hlp_wipe_file
hlp_copy_bram: db "%<%p5%xl",0
db "%x",0
db "%y",24
db " SEL%p6:Chg Menu%p5 <>%p6:Chg Slot%p5 \\|%p6:Scroll %p5",$0A
db " "
db 30,31
db "%p6:Chg Mode%p5"
db " "
db 28,29
db "%p6:Copy BRAM to Slot %p5",$0A
db "%y",23
db "%p0"
db "%xl",19
db "%x",19
db "%y",3
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db ">>",$0A
db 0
;
hlp_swap_bram: db "%<%p5%xl",0
db "%x",0
db "%y",24
db " SEL%p6:Chg Menu%p5 <>%p6:Chg Slot%p5 \\|%p6:Scroll %p5",$0A
db " "
db 30,31
db "%p6:Chg Mode%p5"
db " "
db 28,29
db "%p6:Swap BRAM with Slot %p5",$0A
db "%y",23
db "%p0"
db "%xl",19
db "%x",19
db "%y",3
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db "><",$0A
db 0
;
hlp_copy_slot: db "%<%p5%xl",0
db "%x",0
db "%y",24
db " SEL%p6:Chg Menu%p5 <>%p6:Chg Slot%p5 \\|%p6:Scroll %p5",$0A
db " "
db 30,31
db "%p6:Chg Mode%p5"
db " "
db 28,29
db "%p6:Copy Slot to BRAM %p5",$0A
db "%y",23
db "%p0"
db "%xl",19
db "%x",19
db "%y",3
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db "<<",$0A
db 0
;
hlp_wipe_file: db "%<%p5%xl",0
db "%x",0
db "%y",24
db " SEL%p6:Chg Menu%p5 <>%p6:Chg Slot%p5 \\|%p6:Chg File%p5",$0A
db " "
db 30,31
db "%p6:Chg Mode%p5"
db " "
db 28,29
db "%p6:Delete File from BRAM %p5",$0A
db "%y",23
db "%p0"
; db "----------------------------------------"
; db " ------------------ ",0
db 0
;
;
;
msg_bram_name: db "%10c %r"
dw tos_temp_length
db "%4u",$0A,$0A,0
msg_small_index:db "%-2hu",0
msg_large_index:db "%02hu",0
msg_bram_larrow:db $1C,0
msg_bram_rarrow:db $1D,0
msg_bram_space: db " ",0
msg_bram_spaces:db " "
db " ",$0A,$0A,0
msg_blank_rhs: db "%<%xl",0
db "%y",2
db "%x",19
db "%p0"
db "%b",20,21,1
db "%p0%>",0
;
;
;
bss
tos_bram_slot: ds 1
tos_bram_mode: ds 1
tos_bram_focus: ds 1 ; Which side is focused?
tos_bram_files: ds 2*2 ; # of files on LHS/RHS.
tos_bram_least: ds 2*2 ; Minimum LHS/RHS file choice.
tos_bram_chosen:ds 2*2 ; Current LHS/RHS file choice.
tos_bram_free: ds 2*2 ; BRAM unused on LHS/RHS.
tos_bram_first: ds 1
tos_bram_choice:ds 1
tos_bram_index: ds 1
tos_bram_hilite:ds 1
tos_bram_fname: ds 2 ; Ptr to selected name in BRAM.
tos_temp_index: ds 1
tos_temp_length:ds 2
code
; ***************************************************************************
; ***************************************************************************
;
; tos_bram_menu - TENNOKOE SD menu.
;
tos_bram_menu: stz tos_bram_mode
stz tos_bram_slot
jsr bm_exists ; Skip if there is no BRAM.
beq tos_bram_menu2
jmp tos_info_menu
tos_bram_menu2: jsr clear_screen
; PUTS msg_bram_title
; Verify contents of BRAM_BANK.
lda #BRAM_BANK
tam3
jsr bm_bram_to_bank
jsr bm_verify_mpr3 ; Verify the BRAM image.
beq .bram_info ; Is it OK?
bmi .bram_format ; Is it unformatted?
jmp tos_info_menu ; Wierd size or corrupt.
.bram_format: jsr bm_format_mpr3 ; Blank the slot.
.bram_info: ldx #0 ; Save BRAM info.
jsr tos_bram_info
; Verify contents of SLOT_BANK.
.new_slot: stz tos_hilite_idx ; Reset hilite pulsing.
lda #SLOT_BANK
tam3
if REALHW
jsr tos_load_slot ; Load the file data.
beq .got_slot
jsr bm_format_mpr3 ; Blank the slot.
else
tma2
pha
lda #BANK(fake_bram1)
tam2
tii fake_bram1,$6000,$800
pla
tam2
endif
.got_slot: jsr bm_verify_mpr3 ; Verify the BRAM image.
beq .slot_info ; Is it OK?
jsr bm_format_mpr3 ; Blank the slot.
.slot_info: ldx #2 ; Save BRAM info.
jsr tos_bram_info
; Has the mode just changed?
.new_mode: ldx tos_bram_mode ; Lookup which side has focus.
lda .tbl_focus_side,x
sta tos_bram_focus
lda .tbl_min_choice,x ; Lookup minimum selection.
sta tos_bram_least + 0 ; Set minimum selection.
sta tos_bram_least + 2
sta tos_bram_chosen + 0 ; Set current selection.
sta tos_bram_chosen + 2
cpx #BRAM_DEL ; Delete File mode?
beq .show_title
ldx #2
.calc_minimum: lda #8 ; Start at the last file
cmp tos_bram_files,x ; shown on the screen so
bcc .set_minimum ; scrolling is immediate.
lda tos_bram_files,x
.set_minimum: sta tos_bram_least,x ; Set minimum selection.
sta tos_bram_chosen,x ; Set current selection.
dex
dex
bpl .calc_minimum
.show_title: lda tos_bram_mode ; Lookup which title to display.
asl a
tay
ldx tbl_bram_title + 0,y
lda tbl_bram_title + 1,y
jsr tos_print_msg
; Redraw the menu screen to reflect changes.
.show_help: ldx tos_bram_mode ; Lookup which help to display.
ldy .tbl_focus_side,x ; Is there a file selected on
lda tos_bram_chosen,y ; the side that has focus?
sax
; beq .lookup_help
; clc ; If so, use 2nd set of help
; adc #4 ; messages.
.lookup_help: asl a
tay
ldx tbl_bram_help + 0,y
lda tbl_bram_help + 1,y
jsr tos_print_msg
; Display contents of BRAM_BANK.
.show_bram: ldx tos_bram_mode
cpx #BRAM_DEL
bne .bram_box_color
stz tos_hilite_idx ; Reset hilite pulsing.
.bram_box_color:lda .tbl_box_lhs,x
jsr tos_set_pen
PUTS msg_bram_lhs
lda #BRAM_BANK
tam3
ldx #0
jsr tos_bram_show
; Display contents of SLOT_BANK.
lda tos_bram_mode
cmp #BRAM_DEL
bne .show_slot
PUTS msg_blank_rhs
bra .wait_input
.show_slot: ldx tos_bram_mode
lda .tbl_box_rhs,x
jsr tos_set_pen
inc tos_bram_slot ; Show slot from '1' not '0'.
PUTS msg_bram_rhs
dec tos_bram_slot
lda #SLOT_BANK
tam3
ldx #2
jsr tos_bram_show
;
.wait_input: stz joytrg
.wait_loop: jsr wait_vsync_usb ; Wait, but check for USB.
lda joytrg
beq .wait_loop
bit #JOY_SEL
beq .same_menu
jmp tos_info_menu
.same_menu: bit #JOY_L
bne .prev_slot
bit #JOY_R
bne .next_slot
bit #JOY_U
bne .prev_file
bit #JOY_D
bne .next_file
bit #JOY_B1
bne .select
.back_only: bit #JOY_B2
beq .wait_input
; jmp .chg_mode
; Change Mode.
lda tos_bram_mode
inc a
and #3
sta tos_bram_mode
jmp .new_mode
; Change Save Slot.
.prev_slot: lda tos_bram_slot
dec a
and #7
sta tos_bram_slot
jmp .new_slot
.next_slot: lda tos_bram_slot
inc a
and #7
sta tos_bram_slot
jmp .new_slot
; Change Selected File.
.prev_file: clx
ldy #2
.prev_loop: lda tos_bram_chosen,x ; Already at minimum selection?
cmp tos_bram_least,x
bne .check_other
; lda tos_bram_files,x ; Wrap around to end selection.
bra .set_prev_file
.check_other: cmp tos_bram_chosen,y ; Is the other side on a higher
bcc .set_prev_file ; selection?
dec a
.set_prev_file: pha
sxy
txa
bne .prev_loop
.changed_choice:pla
sta tos_bram_chosen + 2
pla
sta tos_bram_chosen + 0
jmp .show_bram
.next_file: clx
ldy #2
.next_loop: lda tos_bram_chosen,x ; Already at maximum selection?
cmp tos_bram_files,x
bne .inc_next_file
lda tos_bram_chosen,y ; Is the other side on maximum?
cmp tos_bram_files,y
; lda tos_bram_least,x ; Wrap around to 1st selection.
; bcs .set_next_file
lda tos_bram_chosen,x ; Else stay on current choice.
dec a
.inc_next_file: inc a
.set_next_file: pha
sxy
txa
bne .next_loop
bra .changed_choice
.select: lda tos_bram_mode
asl a
tax
jsr .vector
jmp tos_bram_menu2
.vector: jmp [.tbl_funcs,x]
.tbl_funcs: dw func_bram_save
dw func_bram_swap
dw func_bram_load
dw func_bram_del
.tbl_box_lhs: db 1,1,0,0 ; Palette for box per mode.
.tbl_box_rhs: db 0,1,1,0 ; Palette for box per mode.
.tbl_focus_side:db 0,4,2,0 ; Focused side per mode.
.tbl_min_choice:db 0,0,0,1 ; Minimum choice per mode.
; ***************************************************************************
; ***************************************************************************
;
; tos_bram_info - Save the info after a verify for later display.
;
; N.B. There can be a maximum of 126 files in the 2KB of BRAM.
;
tos_bram_info: lda <__bl ; Are there any BRAM files?
sta tos_bram_files + 0,x
stz tos_bram_files + 1,x
bne .calc
ldy #<2030 ; If not, then maximum free.
lda #>2030
bra .save
.calc: sec ; Calc amount of free memory.
lda #<($6800 - $02)
sbc <__bp + 0
tay
lda #>($6800 - $02)
sbc <__bp + 1
bcs .save
cla ; No memory free.
cly
.save: sta tos_bram_free + 1,x ; Save amount of free memory.
tya
sta tos_bram_free + 0,x
rts
; ***************************************************************************
; ***************************************************************************
;
; tos_bram_show - Display the BRAM files in the current bank.
;
; N.B. There can be a maximum of 126 files in the 2KB of BRAM.
;
tos_bram_show: lda tos_bram_chosen,x ; Decide which file to display
sta tos_bram_choice ; at the top of the box.
sec
sbc #7
bcs .first_to_show
lda #1
.first_to_show: sta tos_bram_first
.test_focus: lda #1
sta tos_bram_hilite ; Set hilite color to pulsing.
lda tos_bram_mode ; Only hilite a file in Delete.
cmp #$3
beq .first_in_bram
stz tos_bram_hilite ; Set hilite color to normal.
stz tos_bram_choice ; Do not hilite any file.
.first_in_bram: ldy #<$6010 ; Start after the BRAM signature.
lda #>$6010
stz tos_bram_index
.file_loop: inc tos_bram_index ; Increment file index.
sty <__bp + 0 ; Update file pointer.
sta <__bp + 1
ldy #1 ; End of file chain?
lda [__bp],y
sta tos_temp_length + 1 ; Size to display (hi-byte).
tay
ora [__bp]
bne .not_eof
.bram_corrupt: nop
jmp .rest ; EOF, remaining slots blank.
.not_eof: lda [__bp]
sta tos_temp_length + 0 ; Size to display (lo-byte).
.too_small: cmp #$10 ; Size < $0010 (min size)?
bcs .too_large
cpy #$00
beq .bram_corrupt
.too_large: cpy #$20 ; Size > $1FFF (max size)?
bcs .bram_corrupt
clc ; Calc address of next file.
adc <__bp + 0
say
adc <__bp + 1
cmp #$68 ; Is it beyond BRAM Size?
bcs .bram_corrupt
ldx tos_bram_index ; Skip off-screen files.
cpx tos_bram_first
bcc .file_loop
phy ; Preserve next file pointer.
pha
cla ; Select the palette to use
ldx tos_bram_index ; for this file entry.
cpx tos_bram_choice
bne .file_color
lda tos_bram_hilite
.file_color: jsr tos_set_pen
if 0
ldx #<msg_small_index ; Display bottom 2 digits
ldy #>msg_small_index
lda tos_bram_index
cmp #100
bcc .show_index
sbc #100
ldx #<msg_large_index
ldy #>msg_large_index
.show_index: sta tos_temp_index ; Truncated to 2 digits.
lda #<tos_temp_index ; Display the file index.
sta <__di + 0
lda #>tos_temp_index
sta <__di + 1
; tya
; jsr tos_print_msg
endif
ldx #<msg_bram_space ; Display the LHS file cursor.
ldy #>msg_bram_space
lda tos_bram_index
cmp tos_bram_choice
bne .show_lhs_arrow
ldx #<msg_bram_larrow
ldy #>msg_bram_larrow
.show_lhs_arrow:tya
jsr tos_print_msg
.file_name: lda #$06 ; Display the file name & size.
clc
adc <__bp + 0
sta <__di + 0
tax
cla
adc <__bp + 1
sta <__di + 1
tay
lda tos_tty_tile + 1 ; Is this entry in the hilite
and #$F0 ; color?
beq .show_name
stx tos_bram_fname + 0 ; Save the addr of the selected
sty tos_bram_fname + 1 ; filename.
.show_name: PUTS msg_bram_name
pla ; Restore next file pointer.
ply
ldx tos_tty_ypos ; Display the rest of the
cpx #20 ; BRAM files in the box.
bcs .done
jmp .file_loop
.rest: lda tos_tty_ypos ; Blank out the rest of the
cmp #20 ; BRAM files in the box.
bcs .done
PUTS msg_bram_spaces
bra .rest
.done: rts
; ***************************************************************************
; ***************************************************************************
;
; func_bram_save - Copy BRAM to SD card slot.
;
func_bram_save: PUTS cls_copy_bram ; Confirm the operation.
inc tos_bram_slot ; Show slot from '1' not '0'.
PUTS .msg_warning
dec tos_bram_slot
.wait_input: stz joytrg ; Wait for input.
.wait_loop: jsr wait_vsync_usb
lda joytrg
beq .wait_loop
bit #JOY_RUN
bne .confirmed
bit #JOY_B2
beq .wait_input
rts
.confirmed: PUTS cls_copy_bram ; Inform the user.
PUTS msg_save_bram
tma2 ; Copy the contents of BRAM
pha ; to the SLOT image in memory.
lda #BRAM_BANK
tam2
lda #SLOT_BANK
tam3
tii $4000, $6000, 2048
pla
tam2
jsr tos_save_slot ; Save the SLOT image to SD.
beq .finished
.failed: PUTS msg_fail_bram
.result: PUTS msg_press_a_key
jsr wait_for_key
.finished: rts
.msg_warning: db "%r"
dw tos_bram_slot
db "%y",11
db " Please press %p1RUN%p0 to confirm that you",$0A
db " want to copy BRAM to SD Slot #%hu!",$0A
db "%y",24
db "%x",12
db "%p5RUN%p6:Confirm copy",$0A
db "%x",13
db "%p5",30,31,"%p6:Cancel copy",$0A
db "%p0%y",14,0
msg_save_bram: db " Saving BRAM to SD card ...",$0A,$0A,0
msg_fail_bram: db " BRAM save failed!",$0A,$0A,0
; ***************************************************************************
; ***************************************************************************
;
; func_bram_swap - Swap BRAM with SD card slot.
;
func_bram_swap: PUTS cls_swap_bram
inc tos_bram_slot ; Show slot from '1' not '0'.
PUTS .msg_warning
dec tos_bram_slot
.wait_input: stz joytrg ; Wait for input.
.wait_loop: jsr wait_vsync_usb
lda joytrg
beq .wait_loop
bit #JOY_RUN
bne .confirmed
bit #JOY_B2
beq .wait_input
rts
.confirmed: PUTS cls_swap_bram ; Inform the user.
PUTS msg_save_bram
tma2 ; Swap the contents of BRAM
pha ; to the SLOT image in memory.
lda #BRAM_BANK
tam2
lda #SLOT_BANK
tam3
stz <__ax + 0
stz <__bx + 0
lda #$40
sta <__ax + 1
lda #$60
sta <__bx + 1
cly
.swap_loop: lda [__ax],y
tax
lda [__bx],y
sta [__ax],y
txa
sta [__bx],y
iny
bne .swap_loop
inc <__ah
inc <__bh
bbr3 <__bh,.swap_loop
pla
tam2
jsr tos_save_slot ; Save the SLOT image to SD.
bne .failed
lda #BRAM_BANK ; Copy the contents of BRAM
tam3 ; image from memory to BRAM.
jsr bm_bank_to_bram
bra .finished
.failed: PUTS msg_fail_bram
.result: PUTS msg_press_a_key
jsr wait_for_key
.finished: rts
.msg_warning: db "%r"
dw tos_bram_slot
db "%y",11
db " Please press %p1RUN%p0 to confirm that you",$0A
db " want to swap BRAM with SD Slot #%hu!",$0A
db "%y",24
db "%x",12
db "%p5RUN%p6:Confirm swap",$0A
db "%x",13
db "%p5",30,31,"%p6:Cancel swap",$0A
db "%p0%y",14,0
; ***************************************************************************
; ***************************************************************************
;
; func_bram_load - Copy SD card slot to BRAM.
;
func_bram_load: PUTS cls_copy_slot
inc tos_bram_slot ; Show slot from '1' not '0'.
PUTS .msg_warning
dec tos_bram_slot
.wait_input: stz joytrg ; Wait for input.
.wait_loop: jsr wait_vsync_usb
lda joytrg
beq .wait_loop
bit #JOY_RUN
bne .confirmed
bit #JOY_B2
beq .wait_input
rts
.confirmed: lda #SLOT_BANK ; Copy the contents of SLOT
tam3 ; image from memory to BRAM.
jsr bm_bank_to_bram
rts
.msg_warning: db "%r"
dw tos_bram_slot
db "%y",11
db " Please press %p1RUN%p0 to confirm that you",$0A
db " want to copy SD Slot #%hu to BRAM!",$0A
db "%y",24
db "%x",12
db "%p5RUN%p6:Confirm copy",$0A
db "%x",13
db "%p5",30,31,"%p6:Cancel copy",$0A
db "%p0%y",14,0
; ***************************************************************************
; ***************************************************************************
;
; func_bram_del - Delete a file from BRAM.
;
func_bram_del: lda tos_bram_files ; Are there any files in BRAM?
bne .wipe
rts
.wipe: PUTS cls_wipe_file
lda tos_bram_fname + 0 ; Get the addr of the selected
sta <__di + 0 ; filename.
lda tos_bram_fname + 1
sta <__di + 1
PUTS .msg_warning
.wait_input: stz joytrg ; Wait for input.
.wait_loop: jsr wait_vsync_usb
lda joytrg
beq .wait_loop
bit #JOY_RUN
bne .confirmed
bit #JOY_B2
beq .wait_input