27 lines
579 B
C
27 lines
579 B
C
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#include <string.h>
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#include "aclib.h"
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#pragma opt_code_speed
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// set entire palette at once (8 bytes to port 0xb)
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// bytes in array should be in reverse
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void set_palette(byte palette[8]) __z88dk_fastcall {
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palette;
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__asm
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ld bc,#0x80b ; B -> 8, C -> 0xb
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otir ; write C bytes from HL to port[B]
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__endasm;
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}
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// set entire sound registers at once (8 bytes to port 0x18)
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// bytes in array should be in reverse
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void set_sound_registers(byte regs[8]) __z88dk_fastcall {
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regs;
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__asm
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ld bc,#0x818 ; B -> 8, C -> 0x18
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otir ; write C bytes from HL to port[B]
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__endasm;
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}
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