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double: add some text
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@ -25,7 +25,7 @@ DOUBLE: double.o
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double.o: double.s \
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zp.inc hardware.inc pt3_lib_mockingboard_detect.s \
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pt3_lib_mockingboard_setup.s pt3_lib_detect_model.s \
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zx02_optim.s copy_400.s \
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zx02_optim.s copy_400.s gr_offsets.s \
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graphics/sworg_hgr.hgr.zx02 \
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graphics/sworg_dhgr.aux.zx02 \
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graphics/sworg_dhgr.bin.zx02 \
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@ -58,6 +58,93 @@ not_a_iigs:
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jsr SETGR ; set lo-res 40x40 mode
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bit LORES
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;====================================================
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; setup text page2 screen of "Apple II Forever" text
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;====================================================
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; there are much better ways to accomplish this
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sta SETMOUSETEXT
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ldy #0
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ldx #0
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sty XX
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a24e_newy:
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lda gr_offsets_l,Y
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sta stringing_smc+1
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lda gr_offsets_h,Y
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clc
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adc #4
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sta stringing_smc+2
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a24e_loop:
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lda a2_string,X
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bne keep_stringing
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ldx #0
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lda a2_string,X
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keep_stringing:
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inx
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eor #$80
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stringing_smc:
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sta $d000
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inc stringing_smc+1
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inc XX
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lda XX
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cmp #40
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bne a24e_loop
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lda #0
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sta XX
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iny
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cpy #24
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bne a24e_newy
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stringing_done:
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.if 0
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lda a2_string,X
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eor #$80
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sta $800,X
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sta $880+1,X
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sta $900+2,X
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sta $980+3,X
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sta $A00+4,X
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sta $A80+5,X
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sta $B00+6,X
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sta $B80+7,X
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sta $828+0,X
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sta $8A8+1,X
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sta $928+2,X
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sta $9A8+3,X
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sta $A28+4,X
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sta $AA8+5,X
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sta $B28+6,X
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sta $BA8+7,X
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sta $850+0,X
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sta $8D0+1,X
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sta $950+2,X
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sta $9D0+3,X
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sta $A50+4,X
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sta $AD0+5,X
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sta $B50+6,X
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sta $BD0+7,X
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dex
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bpl a24e_loop
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.endif
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; set 80-store mode
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sta EIGHTYSTOREON ; PAGE2 selects AUX memory
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@ -166,10 +253,9 @@ double_loop:
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; each line 65 cycles (25 hblank+40 bytes)
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; 3 LINES 80-COL TEXT AN3=0 PAGE=1
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; 3 LINES 80-COL TEXT AN3=0 PAGE=2
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nop
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nop
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bit PAGE2
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nop
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nop
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@ -181,7 +267,7 @@ double_loop:
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jsr delay_1552
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; 3 LINES 40-COL TEXT AN3=0 PAGE=1
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; 3 LINES 40-COL TEXT AN3=0 PAGE=2
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nop
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nop
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@ -339,3 +425,13 @@ image_dgr_aux:
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.incbin "graphics/sworg_dgr.aux.zx02"
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image_dgr_main:
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.incbin "graphics/sworg_dgr.main.zx02"
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a2_string:
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; 012345678901234567 8 9
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.byte "Apple II Forever!! ",'@'+$80," "
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.byte "Apple II Forever! ",'@'+$80," ",0
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.byte "Apple II Forever! ",'@'+$80," "
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.byte "Apple II Forever! ",'@'+$80," "
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.byte "Apple II Forever! ",'@'+$80," "
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.include "gr_offsets.s"
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10
vaporlock/doubledouble/gr_offsets.s
Normal file
10
vaporlock/doubledouble/gr_offsets.s
Normal file
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@ -0,0 +1,10 @@
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gr_offsets_h:
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.byte $4,$4,$5,$5,$6,$6,$7,$7
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.byte $4,$4,$5,$5,$6,$6,$7,$7
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.byte $4,$4,$5,$5,$6,$6,$7,$7
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gr_offsets_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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@ -6,6 +6,7 @@ EIGHTYSTOREOFF = $C000 ; Write (turns off 80store)
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EIGHTYSTOREON = $C001 ; Write (page2 writes to AUX memory)
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CLR80COL = $C00C
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SET80COL = $C00D
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SETMOUSETEXT = $C00F ; (write) enable mouse text
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TBCOLOR = $C022 ; IIgs text foreground / background colors
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CLOCKCTL = $C034 ; bits 0-3 are IIgs border color
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@ -21,6 +21,12 @@ APPLEII_MODEL = $8B
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HGRPAGE = $E6
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TEMPY = $F0
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XX = $F1
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INL = $F2
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INH = $F3
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MB_VALUE = $F5
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MB_ADDR_L = $F6
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MB_ADDR_H = $F7
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