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https://github.com/robmcmullen/asmgen.git
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Damage working!
* removed slow font drawing since I won't ever use it
This commit is contained in:
Rob McMullen
parent
053f631335
commit
1dba5f5d67
133
cpbg.s
133
cpbg.s
@ -38,15 +38,15 @@ scratch_col .ds 1
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*= $0020
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; required variables for HiSprite
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damageindex .ds 1
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damageindex1 .ds 1
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damageindex2 .ds 1
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bgstore .ds 2
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damage_w .ds 1
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damage_h .ds 1
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damageptr .ds 2
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damageindex .ds 1
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damageptr1 .ds 2
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damageindex1 .ds 1
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damageptr2 .ds 2
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damageindex2 .ds 1
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hgrhi .ds 1 ; either $20 or $40, the base of each hgr screen
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hgrselect .ds 1 ; either $00 or $60, used as xor mask for HGRROWS_H1
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@ -91,8 +91,54 @@ gameloop
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jsr userinput
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jsr movestart
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jsr restorebg_driver
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jsr wait
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jmp gameloop
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restorebg_init
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rts
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restorebg_driver
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; copy damaged characters back to screen
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;jsr copytexthgr
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ldy #0
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sty param_count
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restorebg_loop1 ldy param_count
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cpy damageindex
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bcc restorebg_cont ; possible there's no damage, so have to check first
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ldy #0
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sty damageindex ; clear damage index for this page
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rts
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restorebg_cont lda (damageptr),y ; groups of 4 x1 -> x2, y1 -> y2
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sta param_x
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iny
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lda (damageptr),y
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sta param_col
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iny
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lda (damageptr),y
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sta param_y
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iny
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lda (damageptr),y
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sta param_row
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iny
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sty param_count
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ldy param_y
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restorebg_row lda textrows_h,y
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sta restorebg_row_smc+2
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lda textrows_l,y
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sta restorebg_row_smc+1
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ldx param_x
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restorebg_row_smc lda $ffff,x
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jsr fastfont
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inx
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cpx param_col
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bcc restorebg_row_smc
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iny
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cpy param_row
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beq restorebg_row
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bcc restorebg_row
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bcs restorebg_loop1
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userinput
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lda KEYBOARD
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pha
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@ -182,6 +228,7 @@ input_space
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jmp debugflipscreens
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input_period
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jsr wait
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lda KEYBOARD
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bpl input_period
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cmp #$80 + 'P'
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@ -255,9 +302,10 @@ initbackground
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jsr copytexthgrslow
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jsr copytexthgr
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jsr copytexthgrslow
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.endif
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jsr pageflip
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jsr copytexthgr
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jsr pageflip
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.endif
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jsr copytexthgr
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rts
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@ -266,10 +314,9 @@ filltext
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ldy #0 ; Loop a bit
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sty COUNTER1
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ib_outer
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lda textrow_h,y
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ora #4
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lda textrows_h,y
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sta textptr+1
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lda textrow_l,y
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lda textrows_l,y
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sta textptr
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tya
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adc #32
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@ -293,10 +340,10 @@ ib_inner
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copytexthgr
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ldy #0 ; y is rows
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copytexthgr_outer
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lda textrow_h,y
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lda textrows_h,y
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ora #4
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sta copytexthgr_src_smc+2
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lda textrow_l,y
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lda textrows_l,y
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sta copytexthgr_src_smc+1
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ldx #0 ; x is columns
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copytexthgr_src_smc
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@ -311,35 +358,6 @@ copytexthgr_dest_smc
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bcc copytexthgr_outer
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rts
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copytexthgrslow
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LDA #0
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STA temprow
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?1 LDY temprow ; Y = row
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CPY #24 ; 24 rows is #$18
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BCS ?3 ; Y >= 24
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LDX #0
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STX tempcol ; X = col
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JSR SetCursorColRow
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and ~10011111
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clc ; A = HgrHiY[ row ]
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adc #4 ; Convert HgrHiY to TextHiY byte
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STA TEXTPTR+1 ; A -= 0x1C -> TxtHi
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LDA hgrptr ; A = HgrLoY[ row ]
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STA TEXTPTR ; -> TxtLo
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LDY tempcol
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?2 LDA (TEXTPTR),Y
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AND #$7F
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JSR DrawCharCol
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CPY #$28 ; 40 cols is #$28
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BCC ?2 ; Y < 40
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INC temprow
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BNE ?1 ; always
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?3 RTS
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rts
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pageflip
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lda drawpage
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eor #$80
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@ -351,11 +369,10 @@ draw_to_page1 lda #$00
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sta hgrselect
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lda #$20
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sta hgrhi
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lda damageptr ; save other page's damage pointer
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sta damageptr2
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lda damageptr1
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sta damageptr
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lda damageptr1+1
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lda damageindex ; save other page's damage pointer
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sta damageindex2
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lda #DAMAGEPAGE1 ; point to page 1's damage area
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sta damageptr+1
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lda damageindex1
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sta damageindex
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@ -374,11 +391,10 @@ draw_to_page2 lda #$60
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sta hgrselect
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lda #$40
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sta hgrhi
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lda damageptr ; save other page's damage pointer
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sta damageptr1
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lda damageptr2
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sta damageptr
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lda damageptr2+1
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lda damageindex ; save other page's damage pointer
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sta damageindex1
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lda #DAMAGEPAGE2 ; point to page 2's damage area
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sta damageptr+1
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lda damageindex2
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sta damageindex
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@ -395,18 +411,13 @@ draw_to_page2 lda #$60
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fastfont jmp $ffff
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restorebg_init
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rts
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restorebg_driver
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; copy damaged characters back to screen
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jsr copytexthgr
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rts
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; Draw sprites by looping through the list of sprites
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renderstart
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ldy #0
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sty damageindex
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lda #sprite_l - sprite_active
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sta param_count
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inc renderroundrobin_smc+1
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@ -682,7 +693,15 @@ sprite_diry
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.byte 1, 1, 1, 1, -1, -1, -1, -1
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textrows_l
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.byte $00, $80, $00, $80, $00, $80, $00, $80
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.byte $28, $a8, $28, $a8, $28, $a8, $28, $a8
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.byte $50, $d0, $50, $d0, $50, $d0, $50, $d0
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textrows_h
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.byte $04, $04, $05, $05, $06, $06, $07, $07
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.byte $04, $04, $05, $05, $06, $06, $07, $07
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.byte $04, $04, $05, $05, $06, $06, $07, $07
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.include cpbg-sprite-driver.s
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.include drawfont.s
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.include fatfont.s
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