mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-10-31 10:13:35 +00:00
230 lines
4.8 KiB
ArmAsm
230 lines
4.8 KiB
ArmAsm
;=========================================================
|
|
; gr_copy_to_current, large, 40x48 version
|
|
; for scrolling
|
|
;=========================================================
|
|
; copy linear image at A000 to DRAW_PAGE
|
|
;
|
|
|
|
gr_copy_to_current_large:
|
|
|
|
lda DRAW_PAGE ; 3
|
|
clc ; 2
|
|
adc #$4 ; 2
|
|
sta gr_copy_line_large+5 ; 4
|
|
sta gr_copy_line_large+11 ; 4
|
|
sta gr_copy_line_large2+5 ; 4
|
|
sta gr_copy_line_large2+11 ; 4
|
|
sta gr_copy_line_large3+5 ; 4
|
|
sta gr_copy_line_large3+11 ; 4
|
|
adc #$1 ; 2
|
|
sta gr_copy_line_large+17 ; 4
|
|
sta gr_copy_line_large+23 ; 4
|
|
sta gr_copy_line_large2+17 ; 4
|
|
sta gr_copy_line_large2+23 ; 4
|
|
sta gr_copy_line_large3+17 ; 4
|
|
sta gr_copy_line_large3+23 ; 4
|
|
adc #$1 ; 2
|
|
sta gr_copy_line_large+29 ; 4
|
|
sta gr_copy_line_large+35 ; 4
|
|
sta gr_copy_line_large2+29 ; 4
|
|
sta gr_copy_line_large2+35 ; 4
|
|
sta gr_copy_line_large3+29 ; 4
|
|
sta gr_copy_line_large3+35 ; 4
|
|
adc #$1 ; 2
|
|
sta gr_copy_line_large+41 ; 4
|
|
sta gr_copy_line_large+47 ; 4
|
|
sta gr_copy_line_large2+41 ; 4
|
|
sta gr_copy_line_large2+47 ; 4
|
|
sta gr_copy_line_large3+41 ; 4
|
|
sta gr_copy_line_large3+47 ; 4
|
|
;===========
|
|
; 45
|
|
|
|
; self modify source address
|
|
|
|
ldx #0
|
|
smc_loop:
|
|
; line 0
|
|
lda OUTH
|
|
sta gr_copy_line_large+2,X
|
|
lda OUTL
|
|
sta gr_copy_line_large+1,X
|
|
|
|
; line 1
|
|
clc
|
|
adc #$28 ; 16 bit add
|
|
sta OUTL
|
|
lda OUTH
|
|
adc #$0
|
|
sta OUTH
|
|
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
|
|
cpx #48
|
|
bne smc_loop
|
|
|
|
|
|
|
|
ldy #39 ; for early ones, copy 120 bytes ; 2
|
|
|
|
gr_copy_line_large:
|
|
lda $A000,Y ; load a byte (self modified) ; 4
|
|
sta $400,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A028,Y ; load a byte (self modified) ; 4
|
|
sta $480,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A050,Y ; load a byte (self modified) ; 4
|
|
sta $500,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A078,Y ; load a byte (self modified) ; 4
|
|
sta $580,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A0A0,Y ; load a byte (self modified) ; 4
|
|
sta $600,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A0C8,Y ; load a byte (self modified) ; 4
|
|
sta $680,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A0F0,Y ; load a byte (self modified) ; 4
|
|
sta $700,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A118,Y ; load a byte (self modified) ; 4
|
|
sta $780,Y ; store a byte (self modified) ; 5
|
|
|
|
dey ; decrement pointer ; 2
|
|
bpl gr_copy_line_large ; ; 2nt/3
|
|
|
|
|
|
|
|
|
|
; self modify source address
|
|
|
|
ldx #0
|
|
smc_loop2:
|
|
; line 0
|
|
lda OUTH
|
|
sta gr_copy_line_large2+2,X
|
|
lda OUTL
|
|
sta gr_copy_line_large2+1,X
|
|
|
|
; line 1
|
|
clc
|
|
adc #$28 ; 16 bit add
|
|
sta OUTL
|
|
lda OUTH
|
|
adc #$0
|
|
sta OUTH
|
|
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
|
|
cpx #48
|
|
bne smc_loop2
|
|
|
|
|
|
ldy #39 ; for early ones, copy 120 bytes ; 2
|
|
|
|
gr_copy_line_large2:
|
|
lda $A140,Y ; load a byte (self modified) ; 4
|
|
sta $428,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A168,Y ; load a byte (self modified) ; 4
|
|
sta $4A8,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A190,Y ; load a byte (self modified) ; 4
|
|
sta $528,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A1B8,Y ; load a byte (self modified) ; 4
|
|
sta $5A8,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A1E0,Y ; load a byte (self modified) ; 4
|
|
sta $628,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A208,Y ; load a byte (self modified) ; 4
|
|
sta $6A8,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A230,Y ; load a byte (self modified) ; 4
|
|
sta $728,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A258,Y ; load a byte (self modified) ; 4
|
|
sta $7A8,Y ; store a byte (self modified) ; 5
|
|
|
|
dey ; decrement pointer ; 2
|
|
bpl gr_copy_line_large2 ; ; 2nt/3
|
|
|
|
|
|
|
|
|
|
; self modify source address
|
|
|
|
ldx #0
|
|
smc_loop3:
|
|
; line 0
|
|
lda OUTH
|
|
sta gr_copy_line_large3+2,X
|
|
lda OUTL
|
|
sta gr_copy_line_large3+1,X
|
|
|
|
; line 1
|
|
clc
|
|
adc #$28 ; 16 bit add
|
|
sta OUTL
|
|
lda OUTH
|
|
adc #$0
|
|
sta OUTH
|
|
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
inx
|
|
|
|
cpx #48
|
|
bne smc_loop3
|
|
|
|
|
|
|
|
ldy #39 ; for early ones, copy 120 bytes ; 2
|
|
|
|
gr_copy_line_large3:
|
|
lda $A280,Y ; load a byte (self modified) ; 4
|
|
sta $450,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A2A8,Y ; load a byte (self modified) ; 4
|
|
sta $4D0,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A2D0,Y ; load a byte (self modified) ; 4
|
|
sta $550,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A2F8,Y ; load a byte (self modified) ; 4
|
|
sta $5D0,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A320,Y ; load a byte (self modified) ; 4
|
|
sta $650,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A348,Y ; load a byte (self modified) ; 4
|
|
sta $6D0,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A370,Y ; load a byte (self modified) ; 4
|
|
sta $750,Y ; store a byte (self modified) ; 5
|
|
|
|
lda $A398,Y ; load a byte (self modified) ; 4
|
|
sta $7D0,Y ; store a byte (self modified) ; 5
|
|
|
|
dey ; decrement pointer ; 2
|
|
bpl gr_copy_line_large3 ; ; 2nt/3
|
|
|
|
rts ; 6
|
|
|