mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-10-03 03:54:50 +00:00
181 lines
2.1 KiB
ArmAsm
181 lines
2.1 KiB
ArmAsm
;=====================
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draw_full_dni_number:
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lda NUMBER_HIGH
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beq draw_only_low_dni_number
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; drawing high number
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jsr draw_dni_number
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; adjust for right number
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lda #14
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bne draw_low_dni_number ; bra
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draw_only_low_dni_number:
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lda #7
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draw_low_dni_number:
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clc
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adc XPOS
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sta XPOS
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lda NUMBER_LOW
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;=====================
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; number in A
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draw_dni_number:
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sta DRAW_NUMBER
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; draw frame
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lda #<frame_sprite
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sta INL
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lda #>frame_sprite
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sta INH
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jsr put_number_sprite
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; adjust to be inside frame
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inc YPOS
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inc XPOS
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inc XPOS
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inc XPOS
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; draw ones values
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lda DRAW_NUMBER
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bne regular_number
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; lda LEADING_ZERO ; if 0 then regular
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; beq regular_number
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; if all zeros, then draw special zero char
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lda #<zero_sprite
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sta INL
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lda #>zero_sprite
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jmp finally_draw
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regular_number:
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and #$f
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tax
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lda ones_sprites_l,X
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sta INL
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lda ones_sprites_h,X
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finally_draw:
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sta INH
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jsr put_number_sprite
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lda DRAW_NUMBER
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lsr
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lsr
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lsr
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lsr
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tax
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lda fives_sprite_l,X
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sta INL
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lda fives_sprite_h,X
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sta INH
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jsr put_number_sprite
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; restore
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dec YPOS
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dec XPOS
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dec XPOS
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dec XPOS
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rts
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;=====================
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put_number_sprite:
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ldy #0
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lda (INL),Y
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sta pns_xsize_smc+1
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iny
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lda (INL),Y
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sta pns_ysize_smc+1
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iny
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lda #0
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sta SPRITEY
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pns_yloop:
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lda SPRITEY
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clc
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adc YPOS
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asl
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tax
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lda gr_offsets,X
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; clc
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adc XPOS
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sta pns_out_smc+1
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lda gr_offsets+1,X
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; clc
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adc DRAW_PAGE
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sta pns_out_smc+2
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lda #0
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sta SPRITEX
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pns_xloop:
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ldx #8 ; rotate through 8 bits
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lda (INL),Y
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sta COLOR
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pns_inner_loop:
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asl COLOR
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bcc pns_transparent
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lda #$FF
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pns_out_smc:
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sta $400
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pns_transparent:
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inc pns_out_smc+1
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dex
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bne pns_inner_loop
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iny
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inc SPRITEX
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lda SPRITEX
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pns_xsize_smc:
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cmp #3
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bne pns_xloop
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inc SPRITEY
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pns_ysize_smc:
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cpy #39
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bcc pns_yloop ; blt
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rts
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ones_sprites_l:
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.byte <empty_sprite,<one_sprite,<two_sprite,<three_sprite,<four_sprite
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ones_sprites_h:
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.byte >empty_sprite,>one_sprite,>two_sprite,>three_sprite,>four_sprite
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fives_sprite_l:
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.byte <empty_sprite,<five_sprite,<ten_sprite,<fifteen_sprite,<twenty_sprite
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fives_sprite_h:
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.byte >empty_sprite,>five_sprite,>ten_sprite,>fifteen_sprite,>twenty_sprite
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