6 .byte $4E, $45, $53, $1A ; "NES" Header
\r
7 .byte $02 ; PRG-BANKS
\r
8 .byte $01 ; CHR-BANKS
\r
9 .byte $01 ; Vetrical Mirror
\r
11 .byte $00, $00, $00, $00 ;
\r
12 .byte $00, $00, $00, $00 ;
\r
17 ;;; de1 env decoder bug test
\r
29 ;;;STA $0302 ;;;>>>invalid store address!!!! @ 907,921,200 ps
\r
34 ; interrupt off, initialize sp.
\r
39 ;ppu register initialize.
\r
80 ;;;;----------------------
\r
83 ldx #$40 ;;name table entry cnt.
\r
99 ldx #$08 ;;attribute entry cnt
\r
113 ;;set universal bg color.
\r
126 ;;set next page name table
\r
151 ;;; ;;dma test data.
\r
200 ;;read ppu status reg while displaying
\r
281 .byte $41, $42, $43, $44, $45, $46, $47, $48, $49, $4a, $4b, $4c, $4d, $4e, $4f, $50
\r
282 .byte $61, $62, $63, $64, $65, $66, $67, $68, $69, $6a, $6b, $6c, $6d, $6e, $6f, $70
\r
283 .byte $80, $81, $82, $83, $84, $85, $86, $87, $88, $89, $8a, $8b, $8c, $8d, $8e, $8f
\r
284 .byte $90, $91, $92, $93, $94, $95, $96, $97, $98, $99, $9a, $9b, $9c, $9d, $9e, $9f
\r
286 .byte $6b, $6a, $69, $68, $67, $66, $65, $64, $63, $62, $61
\r
287 .byte $30, $31, $32, $33, $34, $35, $36, $37, $38, $39, $3a
\r
290 .byte $1b, $e4, $a5, $5a
\r
291 .byte $e4, $1b, $5a, $a5
\r
295 .byte $0f, $00, $10, $20
\r
296 .byte $0f, $04, $14, $24
\r
297 .byte $0f, $08, $18, $28
\r
298 .byte $0f, $0c, $1c, $2c
\r
300 .byte $0f, $00, $10, $20
\r
301 .byte $0f, $06, $16, $26
\r
302 .byte $0f, $08, $18, $28
\r
303 .byte $0f, $0a, $1a, $2a
\r
308 ;;;for DE1 internal memory constraints.
\r
309 .segment "VECINFO_4k"
\r
319 ; character rom file.
\r
321 .incbin "character.chr"
\r