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149 lines
6.7 KiB
C
149 lines
6.7 KiB
C
// symio.h
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//
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// I/O primitives for Sym-1
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//
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// Wayne Parham
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#ifndef _SYMIO_H
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#define _SYMIO_H
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#include <stddef.h>
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#include <stdarg.h>
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int __fastcall__ beep (void); // Beep sound
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int __fastcall__ set_D0 (char); // Set display digit 0
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int __fastcall__ get_D0 (void); // Get value of display digit 0
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int __fastcall__ set_D1 (char); // Set display digit 1
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int __fastcall__ get_D1 (void); // Get value of display digit 1
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int __fastcall__ set_D2 (char); // Set display digit 2
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int __fastcall__ get_D2 (void); // Get value of display digit 2
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int __fastcall__ set_D3 (char); // Set display digit 3
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int __fastcall__ get_D3 (void); // Get value of display digit 3
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int __fastcall__ set_D4 (char); // Set display digit 4
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int __fastcall__ get_D4 (void); // Get value of display digit 4
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int __fastcall__ set_D5 (char); // Set display digit 5
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int __fastcall__ get_D5 (void); // Get value of display digit 5
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int __fastcall__ set_D6 (char); // Set byte to the right of display (leading buffer)
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int __fastcall__ get_D6 (void); // Get value of memory byte to the right of display
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int __fastcall__ fdisp (void); // Flash display
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int __fastcall__ loadt (int); // Read from tape (id)
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int __fastcall__ dumpt (int, int, int); // Write to tape (id, start_addr, end_addr)
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int __fastcall__ set_DDR1A (int); // Set data direction register 1A (U25)
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int __fastcall__ get_DDR1A (void); // Get value of data direction register 1A
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int __fastcall__ set_IOR1A (int); // Set I/O register 1A
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int __fastcall__ get_IOR1A (void); // Get value of I/O register 1A
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int __fastcall__ set_DDR1B (int); // Set data direction register 1B (U25)
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int __fastcall__ get_DDR1B (void); // Get value of data direction register 1B
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int __fastcall__ set_IOR1B (int); // Set I/O register 1B
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int __fastcall__ get_IOR1B (void); // Get value of I/O register 1B
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int __fastcall__ set_DDR2A (int); // Set data direction register 2A (U28)
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int __fastcall__ get_DDR2A (void); // Get value of data direction register 2A
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int __fastcall__ set_IOR2A (int); // Set I/O register 2A
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int __fastcall__ get_IOR2A (void); // Get value of I/O register 2A
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int __fastcall__ set_DDR2B (int); // Set data direction register 2B (U28)
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int __fastcall__ get_DDR2B (void); // Get value of data direction register 2B
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int __fastcall__ set_IOR2B (int); // Set I/O register 2B
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int __fastcall__ get_IOR2B (void); // Get value of I/O register 2B
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int __fastcall__ set_DDR3A (int); // Set data direction register 3A (U29)
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int __fastcall__ get_DDR3A (void); // Get value of data direction register 3A
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int __fastcall__ set_IOR3A (int); // Set I/O register 3A
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int __fastcall__ get_IOR3A (void); // Get value of I/O register 3A
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int __fastcall__ set_DDR3B (int); // Set data direction register 3B (U29)
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int __fastcall__ get_DDR3B (void); // Get value of data direction register 3B
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int __fastcall__ set_IOR3B (int); // Set I/O register 3B
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int __fastcall__ get_IOR3B (void); // Get value of I/O register 3B
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#ifndef _STDIO_H
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int __fastcall__ putchar (char);
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int __fastcall__ puts (const char* s);
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int printf (const char* format, ...);
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int sprintf (char* buf, const char* format, ...);
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int __fastcall__ vprintf (const char* format, va_list ap);
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int __fastcall__ vsnprintf (char* buf, size_t size, const char* format, va_list ap);
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int __fastcall__ vsprintf (char* buf, const char* format, va_list ap);
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char __fastcall__ getchar (void);
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char* __fastcall__ gets (char* s);
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int scanf (const char* format, ...);
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int sscanf (const char* s, const char* format, ...);
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int __fastcall__ vscanf (const char* format, va_list ap);
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int __fastcall__ vsscanf (const char* s, const char* format, va_list ap);
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#endif
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// Display character definitions
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#define DISP_1 0x06 // '1'
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#define DISP_2 0x5B // '2'
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#define DISP_3 0x4F // '3'
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#define DISP_4 0x66 // '4'
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#define DISP_5 0x6D // '5'
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#define DISP_6 0x7C // '6'
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#define DISP_7 0x07 // '7'
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#define DISP_8 0x7F // '8'
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#define DISP_9 0x67 // '9'
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#define DISP_0 0x3F // '0'
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#define DISP_A 0x77 // 'A'
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#define DISP_b 0x7C // 'b'
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#define DISP_C 0x39 // 'C'
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#define DISP_c 0x58 // 'c'
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#define DISP_d 0x5E // 'd'
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#define DISP_E 0x79 // 'E'
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#define DISP_e 0x7B // 'e'
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#define DISP_F 0x71 // 'F'
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#define DISP_G 0x7D // 'G'
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#define DISP_g 0x6F // 'g'
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#define DISP_H 0x76 // 'H'
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#define DISP_h 0x74 // 'h'
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#define DISP_I 0x06 // 'I'
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#define DISP_i 0x04 // 'i'
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#define DISP_J 0x1E // 'J'
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#define DISP_K 0x74 // 'K'
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#define DISP_L 0x38 // 'L'
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#define DISP_M_1 0x33 // 'M'
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#define DISP_M_2 0x27 // 2nd half
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#define DISP_n 0x54 // 'n'
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#define DISP_O 0x3F // 'O'
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#define DISP_o 0x5C // 'o'
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#define DISP_P 0x73 // 'P'
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#define DISP_q 0x67 // 'q'
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#define DISP_r 0x50 // 'r'
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#define DISP_S 0x6D // 'S'
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#define DISP_t 0x46 // 't'
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#define DISP_U 0x3E // 'U'
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#define DISP_u 0x1C // 'u'
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#define DISP_V_1 0x64 // 'V'
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#define DISP_V_2 0x52 // 2nd half
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#define DISP_W_1 0x3C // 'W'
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#define DISP_W_2 0x1E // 2nd half
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#define DISP_Y 0x6E // 'Y'
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#define DISP_Z 0x5B // 'Z'
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#define DISP_SPACE 0x00 // ' '
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#define DISP_PERIOD 0x80 // '.'
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#define DISP_HYPHEN 0x40 // '-'
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#define DISP_APOSTR 0x20 // '''
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#define DISP_EQUAL 0x41 // '='
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#define DISP_3_BAR 0x49 // '='
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#define DISP_BOTTOM 0x04 // '_'
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#define DISP_TOP 0x01 // Top segment
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#define DISP_LEFT 0x30 // '|' Left side, both segments
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#define DISP_RIGHT 0x06 // '|' Right side, both segments
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#define DISP_DEGREE 0x63 // 'o' An 'o' character in the upper segments
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#define DISP_HAT 0x23 // 'n' An 'n' character in the upper segments
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#define DISP_FORK 0x62 // 'u' A 'u' character in the upper segments
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#define DISP_SLASH 0x51 // '/'
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#define DISP_BACKSLASH 0x34 // '\'
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#define DISP_TOP_RIGHT 0x02 // Top right segment
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#define DISP_TOP_LEFT 0x20 // Top left segment
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#define DISP_LOW_RIGHT 0x04 // Lower right segment
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#define DISP_LOW_LEFT 0x10 // Lower left segment
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#endif
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