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20 lines
455 B
C
20 lines
455 B
C
#include <rp6502.h>
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#include <stdarg.h>
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int __cdecl__ xregn (char device, char channel, unsigned char address, unsigned count,
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...)
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{
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va_list args;
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va_start (args, count);
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RIA.xstack = device;
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RIA.xstack = channel;
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RIA.xstack = address;
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while (count--) {
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unsigned v = va_arg (args, unsigned);
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RIA.xstack = v >> 8;
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RIA.xstack = v;
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}
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va_end (args);
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return ria_call_int_errno (RIA_OP_XREG);
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}
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