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mode7: get VMW logo on load screen working

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This commit is contained in:
Vince Weaver 2018-03-19 00:17:12 -04:00
parent 231ceef789
commit a8504e2f77
5 changed files with 96 additions and 20 deletions
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48
mode7_demo/README.mode7_demo
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@ -35,3 +35,51 @@ Memory Map
|zero pg | 0.25
------- $0000
=============================================
Getting the VMW logo to appear on page2 HGR
==============================================
; Need to have lines at
; $4000 AA,AD,D5,AC,95
; $4400 A8,D5,95,35,85 1k
; $4800 A0,55,26,55,81 2k
; $4C00 00,00,00,00,00 3k
MAIN: 0000 - 013A = 0x13A = 314
.include "deater.scrolltext" 13DF - 1577 = 0x198 = 408
.include "a2.scrolltext" 1577 - 1695 = 0x11E = 286
=============
1008
.include "starfield_demo.s" 1695 - 19Ac = 0x317 = 791
.include "rasterbars.s" 19AC - 1A9E = 0xF2 = 242
=============
1033
.include "../asm_routines/gr_fast_clear.s" 01B6 - 02A0 = 0xEA = 234
.include "credits.s" 1A9E - 1CEA = 0x257 = 599
.include "interrupt_handler.s" 1CEA - 1DE3 = 0xD9 = 217
===================
1050
3D (61) too many, want 173
.include "../asm_routines/gr_unrle.s" 013A - 01B6
.include "../asm_routines/gr_hlin.s" 02A0 - 02FD
.include "../asm_routines/gr_setpage.s" 02FD - 0311
.include "../asm_routines/pageflip.s" 0311 - 032B
.include "../asm_routines/gr_fade.s" 032B - 0459
.include "../asm_routines/gr_copy.s" 0459 - 0491
.include "../asm_routines/gr_scroll.s" 0491 - 0565 = 0xC5 = 197
.include "../asm_routines/gr_offsets.s" 0565 - 0595
.include "../asm_routines/gr_plot.s" 0595 - 05C7
.include "../asm_routines/text_print.s" 05C7 - 060F
.include "../asm_routines/mockingboard_a.s" 060F - 06BC = 0xAD = 173
.include "mode7.s" 06BC - 1201 = 0xB43 = 2883
.include "mode7_demo_backgrounds.inc" 1201 - 13DF = 0x1DE = 478

3
mode7_demo/TODO
View File

@ -1,3 +1,6 @@
+ Mockingboard compress: 25Hz? Re-edit?
+ For chiptune_demo, also compress 3 of them, fit more files?
+ Fix mode7/starfield screen jump?
+ jmp/jsr tail calls

34
mode7_demo/mode7_demo.s
View File

@ -20,6 +20,12 @@ start:
;================================
; include VMW logo line 0
;================================
; Need to have lines at
; $4000 AA,AD,D5,AC,95
; $4400 A8,D5,95,35,85
; $4800 A0,55,26,55,81
; $4C00 00,00,00,00,00
;.byte $AA,$AD,$D5,$AC,$95
tax ; $aa
@ -304,15 +310,30 @@ title_routine:
rts
;============================
; These are placed so the VMW logo can be fit
;============================
.include "deater.scrolltext"
.include "a2.scrolltext"
.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.byte $A8,$55,$95,$35,$85
.include "rasterbars.s"
.include "starfield_demo.s"
; next part of logo in end of starfield_demo
.include "../asm_routines/mockingboard_a.s"
.include "credits.s"
.include "interrupt_handler.s"
;===============================================
; External modules
;===============================================
.include "../asm_routines/gr_unrle.s"
.include "../asm_routines/gr_fast_clear.s"
.include "../asm_routines/gr_hlin.s"
.include "../asm_routines/gr_setpage.s"
.include "../asm_routines/gr_fast_clear.s"
.include "../asm_routines/pageflip.s"
.include "../asm_routines/gr_fade.s"
.include "../asm_routines/gr_copy.s"
@ -320,7 +341,7 @@ title_routine:
.include "../asm_routines/gr_offsets.s"
.include "../asm_routines/gr_plot.s"
.include "../asm_routines/text_print.s"
.include "../asm_routines/mockingboard_a.s"
.include "mode7.s"
@ -331,12 +352,9 @@ title_routine:
; More routines
;===============================================
.include "deater.scrolltext"
.include "a2.scrolltext"
.include "starfield_demo.s"
.include "rasterbars.s"
.include "credits.s"
.include "interrupt_handler.s"
.align 256

27
mode7_demo/starfield_demo.s
View File

@ -524,6 +524,16 @@ random_star:
rts ; 6
z_table:
; 1/16.0 - 1/12.25
.byte $10,$10,$10,$10,$11,$11,$11,$11,$12,$12,$12,$13,$13,$14,$14,$14
; 1/12.0 - 1/8.25
.byte $15,$15,$16,$16,$17,$17,$18,$18,$19,$1A,$1A,$1B,$1C,$1D,$1E,$1F
; 1/8.0 - 1/4.25
.byte $20,$21,$22,$23,$24,$25,$27,$28,$2A,$2C,$2E,$30,$33,$35,$38,$3C
; 1/4.0 - 1/0.25
.byte $40,$44,$49,$4E,$55,$5D,$66,$71,$80,$92,$AA,$CC,$00,$55,$00,$00
;======================
; some "random" numbers
;======================
@ -543,15 +553,12 @@ random_table:
.byte 11,225, 26, 28,127, 35,248, 41,248,164, 27, 19,181,202, 78,232
.byte 152, 50, 56,224,121, 77, 61, 52,188, 95, 78,119,250,203,108, 5
.byte 172,134, 33, 43,170, 26, 85,162,190,112,181,115, 59, 4, 92,211
.byte 54,148,179,175,226,240,228,158, 79, 50, 21, 73,253,130, 78,169
.byte 54,148
; Line 3 of VMW logo at $4800
.byte $A0,$55,$26,$55,$81
.byte 179,175,226,240,228,158, 79
.byte 50,21
;73,253,130, 78,169
z_table:
; 1/16.0 - 1/12.25
.byte $10,$10,$10,$10,$11,$11,$11,$11,$12,$12,$12,$13,$13,$14,$14,$14
; 1/12.0 - 1/8.25
.byte $15,$15,$16,$16,$17,$17,$18,$18,$19,$1A,$1A,$1B,$1C,$1D,$1E,$1F
; 1/8.0 - 1/4.25
.byte $20,$21,$22,$23,$24,$25,$27,$28,$2A,$2C,$2E,$30,$33,$35,$38,$3C
; 1/4.0 - 1/0.25
.byte $40,$44,$49,$4E,$55,$5D,$66,$71,$80,$92,$AA,$CC,$00,$55,$00,$00

4
mode7_demo/vmw_logo.inc
View File

@ -7,12 +7,12 @@
; 5 KK KK KK K K KK KK KK KK KK KK K K KK KK KK KK KK KK K
; 1 01 01 01 0 1 1 01 10 10 1 10 10 10 1 1 0 01 10 10 1 10 10 10 0
; 1 00 01 01 0 1 1 01 01 01 1 10 10 10 0 0 1 01 01 10 1 10 10 00 0
; 1 00 01 01 0 0 1 01 01 01 1 10 10 10 0 0 1 01 01 10 1 10 10 00 0
; 1 00 00 01 0 0 1 01 01 01 0 01 10 01 0 0 1 01 01 01 1 10 00 00 0
; 0 00 00 00 0 0 0 00 00 00 0 00 00 00 0 0 0 00 00 00 0 00 00 00 0
.byte $AA,$AD,$D5,$AC,$95
.byte $A8,$D5,$95,$35,$85
.byte $A8,$55,$95,$35,$85
.byte $A0,$55,$26,$55,$81
; 0 = black