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33 lines
569 B
Plaintext
33 lines
569 B
Plaintext
asm inline void set_prg_bank(byte a) {
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STA $A000
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? RTS
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}
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// calling with with e.g. $1E will set $0000-$0fff to $E000-$EFFF in chrrom1
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asm inline void set_chr_bank0(byte a) {
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STA $B000
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STA $C000
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? RTS
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}
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// calling with with e.g. $1E will set $1000-$1fff to $E000-$EFFF in chrrom1
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asm inline void set_chr_bank1(byte a) {
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STA $D000
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STA $E000
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? RTS
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}
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// TODO: FD/FE latches
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asm inline void set_vertical_mirroring() {
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LDA #0
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STA $F000
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? RTS
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}
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asm inline void set_horizontal_mirroring() {
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LDA #1
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STA $F000
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? RTS
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}
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