310 lines
5.2 KiB
ArmAsm
310 lines
5.2 KiB
ArmAsm
; Title Screen / Menu for OOTW
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;.include "../zp.inc"
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;.include "../hardware.inc"
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title:
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lda #0
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sta MENU_BASE ; start at level0 by default
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sta MENU_HIGHLIGHT
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bit TEXT
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bit PAGE0
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jsr HOME
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lda #<title_text
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sta OUTL
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lda #>title_text
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sta OUTH
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jsr move_and_print_list
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title_loop:
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clc
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lda MENU_BASE
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adc MENU_HIGHLIGHT
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sta WHICH_LOAD
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jsr draw_menu
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wait_for_keypress:
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lda KEYPRESS
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bpl wait_for_keypress
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bit KEYRESET
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; $15/$A = right/down
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cmp #$15+$80
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beq down_pressed
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cmp #$A+$80
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beq down_pressed
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; 8/B = left/up
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cmp #$8+$80
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beq up_pressed
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cmp #$B+$80
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beq up_pressed
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; Return = 13
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cmp #13+$80
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beq all_done
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; unknown, ignore
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jmp title_loop
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down_pressed:
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lda MENU_HIGHLIGHT
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cmp #2
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beq down_offset
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inc MENU_HIGHLIGHT
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bne title_loop ; branch always
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down_offset:
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lda MENU_BASE
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cmp #16-2
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beq title_loop ; don't increment if 16
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inc MENU_BASE
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bne title_loop ; branch always
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up_pressed:
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lda MENU_HIGHLIGHT
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beq up_offset ; don't decrement if 0
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dec MENU_HIGHLIGHT
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jmp title_loop
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up_offset:
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lda MENU_BASE
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beq title_loop ; don't decrement if 0
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dec MENU_BASE
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jmp title_loop
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all_done:
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print_help_and_go:
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jsr HOME
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lda #<directions_text
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sta OUTL
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lda #>directions_text
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sta OUTH
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jsr move_and_print_list
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ready_to_load:
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jmp $1400 ; LOADER starts here
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.include "../text_print.s"
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.include "../gr_offsets.s"
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draw_menu:
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lda #<menu_items
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sta OUTL
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lda #>menu_items
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sta OUTH
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clc
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ldy #0
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get_right_offset:
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cpy MENU_BASE
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beq get_right_offset_done
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lda OUTL
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adc #23
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sta OUTL
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lda OUTH
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adc #0
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sta OUTH
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iny
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jmp get_right_offset
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get_right_offset_done:
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ldy #1
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lda #19
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sta (OUTL),Y
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jsr disable_highlight
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lda MENU_HIGHLIGHT
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bne no_highlight_line1
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jsr enable_highlight
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no_highlight_line1:
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jsr move_and_print
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ldy #1
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lda #20
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sta (OUTL),Y
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jsr disable_highlight
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lda MENU_HIGHLIGHT
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cmp #1
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bne no_highlight_line2
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jsr enable_highlight
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no_highlight_line2:
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jsr move_and_print
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ldy #1
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lda #21
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sta (OUTL),Y
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jsr disable_highlight
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lda MENU_HIGHLIGHT
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cmp #2
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bne no_highlight_line3
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jsr enable_highlight
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no_highlight_line3:
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jsr move_and_print
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jsr disable_highlight
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draw_scrollbar:
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lda #' '+$80
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sta $550+29
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sta $550+30
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ldx WHICH_LOAD
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beq draw_line1
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draw_top:
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lda #'/'+$80
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sta $550+29 ; line 18
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lda #'\'+$80
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sta $550+30
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draw_line1:
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lda #'I'+$80
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cpx #5
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bcs draw_line1_I ; bge
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draw_line1_X:
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clc
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adc #'X'-'I'
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draw_line1_I:
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sta $5d0+29 ; line 19
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sta $5d0+30
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draw_line2:
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lda #'I'+$80
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cpx #5
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bcc draw_line2_I ; blt
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cpx #10
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bcs draw_line2_I ; bge
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draw_line2_X:
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clc
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adc #'X'-'I'
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draw_line2_I:
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sta $650+29 ; line 20
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sta $650+30
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draw_line3:
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lda #'I'+$80
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cpx #10
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bcc draw_line3_I ; blt
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draw_line3_X:
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clc
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adc #'X'-'I'
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draw_line3_I:
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sta $6d0+29 ; line 21
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sta $6d0+30
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draw_bottom:
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lda #' '+$80
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sta $750+29 ; line 22
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sta $750+30 ; line 22
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cpx #16
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beq done_draw_bottom
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lda #'\'+$80
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sta $750+29 ; line 22
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lda #'/'+$80
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sta $750+30
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done_draw_bottom:
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rts
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enable_highlight:
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lda #$29 ; and
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sta ps_smc1
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lda #$3f
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sta ps_smc1+1
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rts
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disable_highlight:
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lda #$49
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sta ps_smc1 ; eor
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lda #$80
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sta ps_smc1+1
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rts
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;.byte 0,18," /\",0
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;.byte 0,19," CHECKPOINT 1 (IH8S) XX",0
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;.byte 0,20," CHECKPOINT 2 (RAGE) II",0
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;.byte 0,21," CHECKPOINT 3 (VENT) II",0
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;.byte 0,22," \/",0
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title_text:
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.byte 1, 0, "//II II--\ II--\ II II-- ]][[ ]][[",0
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.byte 0, 1,"//_II II__/ II__/ II II- ][ ][",0
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.byte 0, 2,"II II II II II__ II__ ]][[ ]][[",0
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.byte 0, 3,"II II II _",0
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.byte 3, 4, "II II // //=I\ II==\ II II \\",0
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.byte 3, 5, "II II // // II II==/ II II //",0
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.byte 3, 6, "II II//\\// \===I/ II \\ II== II//",0
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.byte 0, 8,"OOTW PROOF-OF-CONCEPT V3.0 (19 APR 2021)",0
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.byte 0, 9,"CODE: DEATER DISK,LZ4: QKUMBA",0
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.byte 12,10, ",",0
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.byte 0,11,"ORIGINAL BY ERIC CHAHI",0
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.byte 0,12,"INSPIRED BY PAUL NICHOLAS PICO-8 VERSION",0
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.byte 12,13, "______",0
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.byte 10,14, "A \/\/\/ PRODUCTION",0
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.byte 12,16, "APPLE ][ FOREVER",0
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.byte 1,23, "USE ARROWS TO SELECT, RETURN TO START",0
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.byte 255
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menu_items: ; 23 wide
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.byte 8,0,"INTRO MOVIE ",0
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.byte 8,0,"CHECKPOINT 1 (IH8S)",0 ; LDKD
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.byte 8,0,"CHECKPOINT 2 (RAGE)",0 ; HTDC
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.byte 8,0,"CHECKPOINT 3 (VENT)",0 ; CLLD
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.byte 8,0,"CHECKPOINT 4 (RCHG)",0 ; LBKG
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.byte 8,0,"CHECKPOINT 5 (CAVE)",0 ; XDDJ
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.byte 8,0,"CHECKPOINT 6 (CEIL)",0 ; FXLC
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.byte 8,0,"CHECKPOINT 7 (RUNC)",0 ; KRFK
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.byte 8,0,"CHECKPOINT 8 (ROLL)",0 ; KLFB
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.byte 8,0,"CHECKPOINT 9 (SWIM)",0 ; TTCT
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.byte 8,0,"CHECKPOINT 10 (GRND)",0 ; HRTB
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.byte 8,0,"CHECKPOINT 11 (ABVE)",0 ; BRTD
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.byte 8,0,"CHECKPOINT 12 (THRW)",0 ; TFBB
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.byte 8,0,"CHECKPOINT 13 (ARMS)",0 ; TXHF
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.byte 8,0,"CHECKPOINT 14 (TANK)",0 ; CKJL
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.byte 8,0,"CHECKPOINT 15 (ANKD)",0 ; LFCK
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.byte 8,0,"ENDING ",0
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directions_text:
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.byte 8, 0,"LOADING (BE PATIENT...)",0
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.byte 0, 5,"CONTROLS:",0
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.byte 3, 6, "A OR <- : MOVE LEFT",0
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.byte 3, 7, "D OR -> : MOVE RIGHT",0
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.byte 3, 8, "W OR UP : JUMP",0
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.byte 3, 9, "S OR DOWN : CROUCH / PICKUP",0
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.byte 3,10, "SPACEBAR : KICK / SHOOT",0
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.byte 3,11, "L : CHARGE GUN",0
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.byte 3,12, "ESC : QUITS",0
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.byte 255
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;.align $100
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;.include "qload.s"
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