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megademo: more ill-advised messing with alignment
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@ -36,6 +36,7 @@
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31607 -- space-bars auto-driving
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32038 -- align letters, few extra thanks
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31976 -- no room to thank Talbot Hall
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31574 -- optimize some aligns while trying to find firework bug
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Further ideas to reduce:
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+ Optimize all the .align calls
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@ -43,7 +43,7 @@ X_OLD = $FD
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X_OLDER = $FE
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FWTEMP = $FF
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.align $100
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;.align $100
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;===========================
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; LAUNCH_FIREWORK
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@ -29,7 +29,9 @@ MIXCLR = $C052
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HISCR = $C055
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.align $100
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;.align $100
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.assert >hgr = >hgr_after, error, "hgr crosses page"
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;==========================
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; HGR
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@ -68,9 +70,18 @@ bkgnd_loop:
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and #$1f ; see if $40 or $60
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bne bkgnd_loop
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rts
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hgr_after:
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.assert >msktbl = >msktbl_after, error, "msktbl crosses page"
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msktbl: .byte $81,$82,$84,$88,$90,$A0,$C0 ; original
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msktbl_after:
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.align $100
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.assert >hposn = >hposn_after, error, "hposn crosses page"
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;====================================================
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; HPOSN
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@ -220,22 +231,6 @@ done_mod:
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;===========
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; 23
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;=====================================
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; HPLOT0
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;=====================================
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; point in (YX),A
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; 244 cycles
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hplot0:
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; F457
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jsr hposn ; 6+210
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lda HGR_BITS ; 3
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eor (GBASL),y ; 5+
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and HMASK ; 3
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eor (GBASL),y ; 5+
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sta (GBASL),y ; 6
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rts ; 6
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;============
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; 244
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;===================================
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; COLOR_SHIFT
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@ -259,7 +254,34 @@ done_color_shift:
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nop ; 2
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rts ; 6
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.align $100
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hposn_after:
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;.align $100
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.assert >hplot0 = >hplot0_after, error, "hplot0 crosses page"
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;=====================================
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; HPLOT0
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;=====================================
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; point in (YX),A
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; 244 cycles
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hplot0:
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; F457
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jsr hposn ; 6+210
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lda HGR_BITS ; 3
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eor (GBASL),y ; 5+
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and HMASK ; 3
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eor (GBASL),y ; 5+
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sta (GBASL),y ; 6
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rts ; 6
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;============
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; 244
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hplot0_after:
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.assert >hcolor_equals = >hcolor_equals_after, error, "hce crosses page"
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;=============================
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; HCOLOR_EQUALS
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@ -278,3 +300,4 @@ hcolor_equals:
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colortbl:
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.byte $00,$2A,$55,$7F,$80,$AA,$D5,$FF
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hcolor_equals_after:
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@ -3,6 +3,8 @@
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.align $100
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.assert >fw_letters = >fw_letters_done, error, "fw_letters crosses page"
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fw_letters:
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; .byte 22,28,
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.byte " ",128
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@ -61,7 +63,9 @@ fw_letters:
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.byte 255
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;.align $100
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fw_letters_done:
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.align $100
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letters_bm:
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;.byte 1,12
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@ -48,6 +48,8 @@ apple_iie:
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; jsr arriving_there
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; jsr fireworks
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; C64 Opening Sequence
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jsr c64_opener
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@ -115,7 +117,7 @@ apple_iie:
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.include "gr_hline.s"
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.include "vapor_lock.s"
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.include "delay_a.s"
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.include "wait_keypress.s"
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; .include "wait_keypress.s"
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.include "random16.s"
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.align $100
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.include "fireworks.s"
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@ -10,6 +10,8 @@
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; all forced to be 126
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.assert >move_letters = >move_letters_after, error, "move_letters crosses page"
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move_letters:
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ldy WAITING ; 3
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beq not_waiting ; 3
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@ -188,3 +190,5 @@ waste_28:
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inc BLARGH ; 5
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inc BLARGH ; 5
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rts ; 6
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move_letters_after:
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@ -11,6 +11,8 @@ SEEDH = $4F
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XOR_MAGIC = $7657 ; "vW"
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.assert >random16 = >random16_after, error, "random16 crosses page"
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;=============================
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; random16
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;=============================
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@ -116,4 +118,4 @@ cep:
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random16_after:
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