mirror of
https://github.com/deater/dos33fsprogs.git
synced 2025-01-01 05:31:52 +00:00
207 lines
2.9 KiB
ArmAsm
207 lines
2.9 KiB
ArmAsm
; Print-shop Style THINKING
|
|
|
|
; by Vince `deater` Weaver <vince@deater.net>
|
|
|
|
.include "zp.inc"
|
|
.include "hardware.inc"
|
|
|
|
; 161 -- original with page flip removed
|
|
; 159 -- remove extraneous store to YY
|
|
; 158 -- cond jump for jmp
|
|
|
|
; 0-------------------------
|
|
; 0 1111111111111111111111 0
|
|
; 0 1 22222222222222222221 0
|
|
|
|
; if XX < YY COL++
|
|
|
|
|
|
COL = $F0
|
|
XSTART = $F1
|
|
XSTOP = $F2
|
|
YSTART = $F3
|
|
YSTOP = $F4
|
|
OFFSET = $F5
|
|
CURRENT = $F6
|
|
YY = $F7
|
|
BASE = $F8
|
|
|
|
thinking:
|
|
|
|
jsr SETGR ; set lo-res 40x40 mode
|
|
; A=$D0 afterward
|
|
|
|
big_loop:
|
|
|
|
ldx #19
|
|
yloop:
|
|
txa
|
|
jsr GBASCALC ; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
|
|
|
|
lda COL
|
|
and #$7
|
|
tay
|
|
lda color_lookup,Y
|
|
|
|
|
|
ldy #39
|
|
xloop:
|
|
sta (GBASL),Y
|
|
dey
|
|
bpl xloop
|
|
|
|
cpx #10
|
|
beq blarch
|
|
bcc blurgh
|
|
inc COL
|
|
jmp blarch
|
|
blurgh:
|
|
dec COL
|
|
blarch:
|
|
dex
|
|
bpl yloop
|
|
|
|
|
|
|
|
.if 0
|
|
; COL value doesn't matter?
|
|
|
|
lda #0
|
|
sta YSTART
|
|
sta XSTART
|
|
|
|
lda #20
|
|
sta YSTOP
|
|
asl
|
|
sta XSTOP
|
|
|
|
box_loop:
|
|
|
|
ldx YSTART
|
|
yloop:
|
|
txa
|
|
jsr GBASCALC ; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
|
|
|
|
lda COL
|
|
and #$7
|
|
tay
|
|
lda color_lookup,Y
|
|
|
|
ldy XSTART
|
|
xloop:
|
|
sta (GBASL),Y
|
|
iny
|
|
cpy XSTOP
|
|
bne xloop
|
|
|
|
inx
|
|
cpx YSTOP
|
|
bne yloop
|
|
|
|
inc COL
|
|
|
|
inc XSTART
|
|
dec XSTOP
|
|
|
|
inc YSTART
|
|
dec YSTOP
|
|
lda YSTOP
|
|
cmp #10
|
|
bne box_loop
|
|
.endif
|
|
;==========================
|
|
; done drawing rainbow box
|
|
;==========================
|
|
|
|
;==========================
|
|
; write THINKING
|
|
;==========================
|
|
|
|
thinking_loop:
|
|
lda #7 ; YY
|
|
ldx #0
|
|
|
|
thinking_yloop:
|
|
sta YY ; YY in A here
|
|
|
|
; lda YY
|
|
jsr GBASCALC ; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
|
|
|
|
ldy #0
|
|
inc_pointer:
|
|
inx
|
|
lda thinking_data-1,X
|
|
sta CURRENT
|
|
thinking_xloop:
|
|
ror CURRENT
|
|
bcc no_draw
|
|
|
|
lda #$00
|
|
sta (GBASL),Y
|
|
no_draw:
|
|
iny
|
|
tya
|
|
and #$7
|
|
beq inc_pointer
|
|
|
|
cpy #39
|
|
bne thinking_xloop
|
|
|
|
inc YY
|
|
lda YY
|
|
cmp #14
|
|
bne thinking_yloop
|
|
|
|
;==========================
|
|
; flip pages
|
|
;==========================
|
|
|
|
|
|
;===================
|
|
; increment color
|
|
; after loop we are +10
|
|
; so -1 actually means increment 1 (because we mod 8 it)
|
|
inc COL
|
|
inc COL
|
|
|
|
;===================
|
|
; WAIT
|
|
|
|
lda #255
|
|
jsr WAIT ; A = 0 at end
|
|
|
|
beq big_loop
|
|
|
|
|
|
;0 1 2 3 3
|
|
;01234567|89012345|67890123|45678901|23456789
|
|
; ***** *| * * * | * * |* * * |* ***
|
|
; * *| * * **| * * *| * ** |* * *
|
|
; * *| * * **| * * * | * ** |* *
|
|
; * *|*** * * |* * ** | * * * |* *
|
|
; * *| * * * | ** * * | * * *|* * **
|
|
; * *| * * * | ** * *| * * *|* * *
|
|
; * *| * * * | * * |* * * |* ****
|
|
;
|
|
; 7*5 bytes = 35 bytes
|
|
|
|
thinking_data:
|
|
.byte $BE,$54,$14,$15,$39
|
|
.byte $88,$D4,$94,$34,$45
|
|
.byte $88,$D4,$54,$34,$05
|
|
.byte $88,$57,$35,$54,$05
|
|
.byte $88,$54,$56,$94,$65
|
|
.byte $88,$54,$96,$94,$45
|
|
.byte $88,$54,$14,$15,$79
|
|
|
|
|
|
|
|
color_lookup:
|
|
; magenta, pink, orange, yellow, lgreen, aqua, mblue, lblue
|
|
.byte $33,$BB,$99,$DD,$CC,$EE,$66,$77
|
|
|
|
|
|
; for apple II bot entry at $3F5
|
|
|
|
jmp thinking
|