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exSID_defs.h
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//
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// exSID_defs.h
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// A simple I/O library for exSID USB - private header file
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//
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// (C) 2015-2017 Thibaut VARENE
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// License: GPLv2 - http://www.gnu.org/licenses/gpl-2.0.html
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//
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#ifndef exSID_defs_h
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#define exSID_defs_h
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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// CLOCK_FREQ_NTSC = 1022727.14;
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// CLOCK_FREQ_PAL = 985248.4;
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/* exSID hardware definitions */
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#define XS_BDRATE 2000000
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#define XS_BUFFMS 40
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#define XS_SIDCLK 1000000
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#define XS_RSBCLK (XS_BDRATE/10)
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#define XS_CYCCHR (XS_SIDCLK/XS_RSBCLK)
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//#define XS_CYCCHR ((XS_SIDCLK+XS_RSBCLK-1)/XS_RSBCLK) // ceiling
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#define XS_USBLAT 1
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#define XS_BUFFSZ ((((XS_RSBCLK/1000)*XS_BUFFMS)/62)*62)
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#define XS_LDMULT 501
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#define XS_MINDEL (XS_CYCCHR)
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#define XS_CYCIO (2*XS_CYCCHR)
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#define XS_MAXADJ 7
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#define XS_LDOFFS (3*XS_CYCCHR)
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/* exSID+ hardware definitions */
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#define XSP_MINDEL 2
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#define XSP_CYCIO 3
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#define XSP_PRE_RD 2
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#define XSP_POSTRD 2
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#define XSP_MAXADJ 4
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#define XSP_LDOFFS 3
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#define XSP_CYCCS 2
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/* IOCTLS */
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/* IO controls 0x3D to 0x7F are only implemented on exSID+ */
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#define XSP_AD_IOCTCP 0x3D
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#define XSP_AD_IOCTCN 0x3E
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#define XSP_AD_IOCTC1 0x3F
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#define XSP_AD_IOCTA0 0x5D
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#define XSP_AD_IOCTA1 0x5E
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#define XSP_AD_IOCTA2 0x5F
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#define XSP_AD_IOCTA3 0x7D
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#define XSP_AD_IOCTAM 0x7E
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#define XSP_AD_IOCTAU 0x7F
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#define XS_AD_IOCTD1 0x9D
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#define XS_AD_IOCTLD 0x9E
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#define XS_AD_IOCTS0 0xBD
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#define XS_AD_IOCTS1 0xBE
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#define XS_AD_IOCTSB 0xBF
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#define XS_AD_IOCTFV 0xFD
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#define XS_AD_IOCTHV 0xFE
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#define XS_AD_IOCTRS 0xFF
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#define XS_USBVID 0x0403
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#define XS_USBPID 0x6001
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#define XS_USBDSC "exSID USB"
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#define XSP_USBVID 0x0403
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#define XSP_USBPID 0x6015
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#define XSP_USBDSC "exSID+ USB"
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#define XS_MODEL_STD 0
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#define XS_MODEL_PLUS 1
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#ifdef DEBUG
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#define xsdbg(format, ...) printf("(%s) "
format, __func__, ## __VA_ARGS__)
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#else
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#define xsdbg(format, ...)
/* nothing */
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#endif
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#define ERRORBUF 256
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#define xserror(format, ...) snprintf(xSerrstr, ERRORBUF, "(%s) ERROR "
format, __func__, ## __VA_ARGS__)
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#ifdef HAVE_BUILTIN_EXPECT
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#else
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#define likely(x) (x)
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#define unlikely(x) (x)
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#endif
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extern
char
xSerrstr[ERRORBUF+1];
// 256-byte max string for error message
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#endif
/* exSID_defs_h */
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