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419eb700b5
The way we want to use the INITBSS segment - and especially the fact that it won't have the type bss on all ROM based targets - means that the name INITBSS is misleading. After all INIT is the best name from my perspective as it serves several purposes and therefore needs a rather generic name. Unfortunately this means that the current INIT segment needs to be renamed too. Looking for a short (ideally 4 letter) name I came up with ONCE as it contains all code (and data) accessed only once during initialization.
183 lines
7.6 KiB
ArmAsm
183 lines
7.6 KiB
ArmAsm
;
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; Groepaz/Hitmen, 12.10.2015
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;
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; character set for use with the soft80 implementations
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;
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; the format of the data follows the following layout:
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;
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; - to avoid unnecessary petscii->screencode conversions, the order of the
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; individual characters is different to the C64 ROM charset:
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; - $00 - $1f screencodes $60 - $7f (petscii codes $a0 - $bf)
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; - $20 - $3f screencodes $20 - $3f (petscii codes $20 - $3f)
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; - $40 - $5f screencodes $00 - $1f (petscii codes $40 - $5f)
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; - $60 - $7f screencodes $40 - $5f (petscii codes $60 - $7f)
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; - only 128 characters are defined here, the soft80 implementation will invert
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; the graphics data for inverted display on the fly.
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; - since the charset is 4 by 8 pixels, only the lower 4bit of each byte is
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; used. the upper bits have to be 0.
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; - finally the lower 4bits are "inverted", ie a space character is represented
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; as $0f, $0f, $0f, $0f, $0f, $0f, $0f, $0f
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;
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; the graphics data is arranged differently to normal C64 charsets for speed,
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; first comes the first row of all characters, then the second row in the next
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; block, etc. like this:
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;
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; +000 ....xxxx ......xx ....xxxx ........
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; +080 ....xxxx ......xx ....xxxx ....xxxx
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; +100 ....xxxx ......xx ....xxxx ....xxxx
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; +180 ....x..x ......xx ....xxxx ....xxxx
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; +200 ....x..x ......xx ........ ....xxxx
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; +280 ....xxxx ......xx ........ ....xxxx
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; +300 ....xxxx ......xx ........ ....xxxx
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; +380 ....xxxx ......xx ........ ....xxxx
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; [...]
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; +040 ....x.xx ....xxxx ....xxxx ....xxxx
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; +0c0 .....x.x ....xxxx .....xxx ....xxxx
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; +140 .......x ....x.xx .....xxx ....x..x
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; +1c0 .......x ....xx.x ......xx .....xxx
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; +240 .....xxx ....x..x .....x.x .....xxx
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; +2c0 .....x.x .....x.x .....x.x .....xxx
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; +340 ....x.xx ....x..x ......xx ....x..x
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; +3c0 ....xxxx ....xxxx ....xxxx ....xxxx
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.export soft80_charset
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.segment "ONCE"
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soft80_charset:
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.byte $0f,$03,$0f,$00,$0f,$07,$05,$0e
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.byte $0f,$05,$0e,$0b,$0f,$0b,$0f,$0f
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.byte $0f,$0b,$0f,$0b,$07,$07,$0e,$00
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.byte $00,$0f,$0e,$0f,$0c,$0b,$03,$03
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.byte $0f,$0b,$05,$05,$0b,$05,$0b,$0b
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.byte $0d,$07,$0f,$0f,$0f,$0f,$0f,$0d
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.byte $0b,$0b,$0b,$0b,$05,$01,$0b,$01
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.byte $0b,$0b,$0f,$0f,$0d,$0f,$07,$0b
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.byte $0b,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$09,$07,$03,$0b,$0f
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.byte $0f,$0b,$03,$0b,$03,$01,$01,$0b
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.byte $05,$01,$09,$05,$07,$05,$05,$0b
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.byte $03,$0b,$03,$0b,$01,$05,$05,$05
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.byte $05,$05,$01,$0b,$07,$0b,$0f,$0a
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.byte $0f,$03,$0f,$0f,$0f,$07,$05,$0e
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.byte $0f,$0a,$0e,$0b,$0f,$0b,$0f,$0f
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.byte $0f,$0b,$0f,$0b,$07,$07,$0e,$00
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.byte $00,$0f,$0e,$0f,$0c,$0b,$03,$03
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.byte $0f,$0b,$05,$05,$09,$05,$05,$0b
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.byte $0b,$0b,$05,$0b,$0f,$0f,$0f,$0d
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.byte $05,$0b,$05,$05,$05,$07,$05,$05
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.byte $05,$05,$0f,$0f,$0b,$0f,$0b,$05
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.byte $05,$0f,$07,$0f,$0d,$0f,$09,$0f
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.byte $07,$0b,$0d,$07,$03,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0b,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0b,$07,$0b,$0b,$0b
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.byte $0f,$0b,$05,$05,$05,$07,$07,$05
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.byte $05,$0b,$0d,$05,$07,$01,$01,$05
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.byte $05,$05,$05,$05,$0b,$05,$05,$05
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.byte $05,$05,$0d,$0b,$07,$0b,$0f,$0a
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.byte $0f,$03,$0f,$0f,$0f,$07,$0a,$0e
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.byte $0f,$05,$0e,$0b,$0f,$0b,$0f,$0f
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.byte $0f,$0b,$0f,$0b,$07,$07,$0e,$0f
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.byte $00,$0f,$0d,$0f,$0c,$0b,$03,$03
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.byte $0f,$0b,$05,$00,$07,$0d,$0b,$07
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.byte $0b,$0b,$0b,$0b,$0f,$0f,$0f,$0b
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.byte $01,$03,$0d,$0d,$05,$03,$07,$0d
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.byte $05,$05,$0b,$0b,$0b,$08,$0b,$0d
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.byte $01,$0b,$07,$09,$0d,$0b,$0b,$09
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.byte $07,$0f,$0f,$07,$0b,$05,$03,$0b
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.byte $03,$09,$03,$09,$01,$05,$05,$05
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.byte $05,$05,$01,$0b,$0b,$0b,$05,$0b
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.byte $0f,$05,$05,$07,$05,$07,$07,$07
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.byte $05,$0b,$0d,$03,$07,$01,$01,$05
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.byte $05,$05,$05,$07,$0b,$05,$05,$05
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.byte $0b,$05,$0b,$0b,$0b,$0b,$0a,$05
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.byte $09,$03,$0f,$0f,$0f,$07,$0a,$0e
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.byte $0f,$0a,$0e,$08,$0f,$08,$03,$0f
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.byte $08,$00,$00,$03,$07,$07,$0e,$0f
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.byte $0f,$0f,$05,$0f,$0c,$03,$03,$03
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.byte $0f,$0b,$0f,$05,$0b,$0b,$0b,$0f
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.byte $0b,$0b,$01,$01,$0f,$01,$0f,$0b
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.byte $05,$0b,$0b,$0b,$01,$0d,$03,$0b
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.byte $0b,$09,$0f,$0f,$07,$0f,$0d,$0b
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.byte $01,$0d,$03,$07,$09,$05,$01,$05
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.byte $03,$03,$0d,$05,$0b,$01,$05,$05
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.byte $05,$05,$05,$07,$0b,$05,$05,$05
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.byte $05,$05,$0d,$0b,$0b,$0b,$05,$00
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.byte $00,$01,$03,$07,$05,$03,$03,$01
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.byte $01,$0b,$0d,$03,$07,$05,$01,$05
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.byte $03,$05,$03,$0b,$0b,$05,$05,$01
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.byte $0b,$0b,$0b,$00,$0b,$0b,$05,$05
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.byte $09,$03,$00,$0f,$0f,$07,$05,$0e
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.byte $05,$05,$0e,$08,$0c,$08,$03,$0f
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.byte $08,$00,$00,$03,$07,$07,$0e,$0f
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.byte $0f,$0f,$03,$03,$0f,$03,$0f,$0c
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.byte $0f,$0f,$0f,$00,$0d,$07,$04,$0f
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.byte $0b,$0b,$0b,$0b,$0f,$0f,$0f,$0b
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.byte $05,$0b,$07,$0d,$0d,$0d,$05,$0b
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.byte $05,$0d,$0f,$0f,$0b,$08,$0b,$0b
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.byte $07,$09,$05,$07,$05,$01,$0b,$05
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.byte $05,$0b,$0d,$03,$0b,$01,$05,$05
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.byte $05,$05,$07,$0b,$0b,$05,$05,$01
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.byte $0b,$05,$0b,$0b,$0b,$0b,$0f,$00
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.byte $00,$05,$05,$07,$05,$07,$07,$05
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.byte $05,$0b,$0d,$03,$07,$05,$01,$05
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.byte $07,$05,$03,$0d,$0b,$05,$05,$01
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.byte $0b,$0b,$0b,$00,$07,$0b,$05,$0a
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.byte $0f,$03,$00,$0f,$0f,$07,$05,$0e
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.byte $05,$0a,$0e,$0b,$0c,$0f,$0b,$0f
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.byte $0b,$0f,$0b,$0b,$07,$07,$0e,$0f
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.byte $0f,$00,$03,$03,$0f,$0f,$0f,$0c
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.byte $0f,$0f,$0f,$05,$03,$05,$05,$0f
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.byte $0b,$0b,$05,$0b,$0b,$0f,$0b,$07
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.byte $05,$0b,$07,$05,$0d,$05,$05,$0b
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.byte $05,$05,$0b,$0b,$0b,$0f,$0b,$0f
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.byte $05,$05,$05,$07,$05,$07,$0b,$09
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.byte $05,$0b,$0d,$05,$0b,$05,$05,$05
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.byte $03,$09,$07,$0d,$0b,$05,$0b,$01
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.byte $05,$09,$07,$0b,$0d,$0b,$0f,$0b
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.byte $0f,$05,$05,$05,$05,$07,$07,$05
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.byte $05,$0b,$05,$05,$07,$05,$05,$05
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.byte $07,$0b,$05,$05,$0b,$05,$0b,$05
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.byte $05,$0b,$07,$0b,$07,$0b,$05,$0a
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.byte $0f,$03,$00,$0f,$0f,$07,$0a,$0e
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.byte $0a,$05,$0e,$0b,$0c,$0f,$0b,$00
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.byte $0b,$0f,$0b,$0b,$07,$07,$0e,$0f
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.byte $0f,$00,$07,$03,$0f,$0f,$0f,$0c
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.byte $0f,$0b,$0f,$05,$0b,$05,$08,$0f
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.byte $0d,$07,$0f,$0f,$0b,$0f,$0b,$07
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.byte $0b,$01,$01,$0b,$0d,$0b,$0b,$0b
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.byte $0b,$0b,$0f,$0b,$0d,$0f,$07,$0b
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.byte $0b,$09,$03,$09,$09,$09,$0b,$0d
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.byte $05,$01,$0d,$05,$01,$05,$05,$0b
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.byte $07,$0d,$07,$03,$0d,$09,$0b,$05
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.byte $05,$0d,$01,$09,$0d,$03,$0f,$0b
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.byte $0f,$05,$03,$0b,$03,$01,$07,$0b
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.byte $05,$01,$0b,$05,$01,$05,$05,$0b
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.byte $07,$0d,$05,$0b,$0b,$0b,$0b,$05
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.byte $05,$0b,$01,$0b,$0b,$0b,$05,$05
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.byte $0f,$03,$00,$0f,$00,$07,$0a,$0e
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.byte $0a,$0a,$0e,$0b,$0c,$0f,$0b,$00
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.byte $0b,$0f,$0b,$0b,$07,$07,$0e,$0f
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.byte $0f,$00,$0f,$03,$0f,$0f,$0f,$0c
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$07,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$07,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$03
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.byte $0f,$0f,$03,$0f,$0f,$0f,$0f,$0f
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.byte $07,$0d,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$03,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0f,$0f,$0f,$0f,$0f
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.byte $0f,$0f,$0f,$0b,$0b,$0b,$0f,$05
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