mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-28 09:30:41 +00:00
329 lines
4.2 KiB
ArmAsm
329 lines
4.2 KiB
ArmAsm
; Draw Status Bar
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;===========================
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; inc_score
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;===========================
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; make sure any interrupt routine handles d flag properly
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; value to add by in A (BCD/100)
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; for Keen assume always a multiple of 100
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inc_score:
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sed
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clc
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adc SCORE0
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sta SCORE0
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lda SCORE1
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adc #0
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sta SCORE1
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lda SCORE2
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adc #0
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sta SCORE2
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cld
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rts
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;===========================
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; update rayguns
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;===========================
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; remove leading zeros
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; leftmost is score_string+26
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update_rayguns:
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update_raygun_l:
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lda RAYGUNS
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lsr
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lsr
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lsr
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lsr
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beq update_raygun_r
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ora #$b0 ; 0 -> $b0
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sta score_string+26
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update_raygun_r:
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lda RAYGUNS
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and #$f
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ora #$b0 ; 0 -> $b0
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sta score_string+27
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rts
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;===========================
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; update score
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;===========================
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; remove leading zeros
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; leftmost is score_string+4 (it's +2 due to x,y coord at begin)
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update_score:
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lda #0
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sta LEADING_ZERO
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update_score2_l:
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lda SCORE2
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lsr
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lsr
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lsr
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lsr
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beq update_score2_r
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ora #$b0 ; 0 -> $b0
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sta score_string+3
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inc LEADING_ZERO
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update_score2_r:
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lda SCORE2
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and #$f
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bne write_score2_r
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ldx LEADING_ZERO
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beq update_score_1_l
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write_score2_r:
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ora #$b0 ; 0 -> $b0
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sta score_string+4
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inc LEADING_ZERO
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update_score_1_l:
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lda SCORE1
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lsr
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lsr
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lsr
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lsr
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bne write_score1_l
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ldx LEADING_ZERO
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beq update_score_1_r
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write_score1_l:
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ora #$b0 ; 0 -> $b0
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sta score_string+5
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inc LEADING_ZERO
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update_score_1_r:
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lda SCORE1
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and #$f
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bne write_score1_r
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ldx LEADING_ZERO
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beq update_score_0_l
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write_score1_r:
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ora #$b0 ; 0 -> $b0
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sta score_string+6
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inc LEADING_ZERO
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update_score_0_l:
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lda SCORE0
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lsr
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lsr
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lsr
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lsr
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bne write_score0_l
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ldx LEADING_ZERO
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beq update_score_0_r
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write_score0_l:
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ora #$b0 ; 0 -> $b0
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sta score_string+7
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inc LEADING_ZERO
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update_score_0_r:
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lda SCORE0
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and #$f
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bne write_score0_r
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ldx LEADING_ZERO
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beq done_write_score
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write_score0_r:
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ora #$b0 ; 0 -> $b0
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sta score_string+8
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lda #$b0 ; after first string, this digit always 0
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sta score_string+9
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done_write_score:
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rts
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;===========================
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; update items
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;===========================
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update_items:
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lda KEYCARDS
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and #INV_RED_KEY
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beq done_red_key
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lda #'R'&$3f
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sta score_string+33
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done_red_key:
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lda KEYCARDS
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and #INV_BLUE_KEY
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beq done_blue_key
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lda #'B'&$3f
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sta score_string+35
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done_blue_key:
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rts
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;===========================
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; update the status bar
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;===========================
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;update_status_bar:
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;
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; jsr update_score
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;
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; jsr update_health
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;
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; jsr update_items
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;
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; lda #2
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; sta UPDATE_STATUS
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;
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; rts
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;===========================
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; draw the status bar
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;===========================
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; only draw when ENTER pressed, not always
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draw_status_bar:
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jsr update_score
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jsr update_rayguns
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bit TEXTGR ; split graphics/text
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; draw to visible frame
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lda DRAW_PAGE
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eor #$4
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sta DRAW_PAGE
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; draw white box
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ldx #30
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draw_box_loop:
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lda gr_offsets,X
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sta OUTL
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lda gr_offsets+1,X
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clc
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adc DRAW_PAGE
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sta OUTH
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ldy #39
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lda #$FF
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draw_box_inner:
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sta (OUTL),Y
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dey
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bpl draw_box_inner
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inx
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inx
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cpx #40
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bne draw_box_loop
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;============
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; draw keens
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ldx KEENS
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cpx #7 ; max out at 7
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bcc draw_keens
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ldx #7
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draw_keens:
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dex
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stx TEMP_STATUS
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beq done_draw_keens ; if 0, don't draw any
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draw_keens_loop:
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ldx #<keen_sprite_stand_right
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stx INL
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lda #>keen_sprite_stand_right
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sta INH
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; XPOS, YPOS
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lda TEMP_STATUS
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asl
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asl
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; clc
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; adc #1
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sta XPOS
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lda #32
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sta YPOS
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jsr put_sprite_crop
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dec TEMP_STATUS
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bpl draw_keens_loop
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done_draw_keens:
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; TODO: draw keycards
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; TODO: draw parts
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; draw text at bottom
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jsr inverse_text
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lda #<status_string
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sta OUTL
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lda #>status_string
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sta OUTH
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jsr move_and_print
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jsr move_and_print
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jsr move_and_print
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jsr move_and_print
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; wait for keypress
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bit KEYRESET
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wait_status_bar:
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lda KEYPRESS
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bpl wait_status_bar
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bit KEYRESET
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; back to original page
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lda DRAW_PAGE
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eor #$4
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sta DRAW_PAGE
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bit FULLGR
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rts
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status_string:
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; 0123456789012345678901234567890123456789
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.byte 0,20," KEENS KEYCARDS PARTS ",0
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.byte 0,21," ",0
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.byte 0,22," SCORE NEXT KEEN RAYGUN POGO ",0
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score_string:
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.byte 0,23," 0 20000 0 N ",0
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