83 lines
3.4 KiB
PHP
83 lines
3.4 KiB
PHP
; ===================================================
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; MSX BASIC for Orion-128
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;
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; Constants
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; Disassembled by Romychs @ 2026-09-04
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; ===================================================
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; --------------------------------------------------
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; ASCII codes
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; --------------------------------------------------
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ASCII_NUL EQU 0x00 ; NUL (null)
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ASCII_EOT EQU 0x04 ; EOT (End of transmission)
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ASCII_BELL EQU 0x07 ; 7
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ASCII_BS EQU 0x08 ; 8
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ASCII_TAB EQU 0x09 ; HT (Horizontal tab)
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ASCII_LF EQU 0x0A ; 10 - LF (Line feed)
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ASCII_CR EQU 0x0D ; 13 - CR (Carriage return)
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ASCII_SYN EQU 0x16 ; SYN (Synchronous idle)
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ASCII_SUB EQU 0x1A ; SUB (Substitute), EOF - (End of file)
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ASCII_ESC EQU 0x1B ; 27 - ESC (Escape)
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ASCII_SP EQU 0x20 ; space
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ASCII_CUR EQU 0x24 ; $
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ASCII_SQ EQU 0x27 ; '
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ASCII_BKSL EQU 0x5C ; \
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ASCII_DEL EQU 0x7F ; DEL (Delete)
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; --------------------------------------------------
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; Types
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; --------------------------------------------------
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TINT EQU 0x02 ; 2 2-byte Integer
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TSTR EQU 0x03 ; 3 <B_len>+<W-prt> String
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TSGN EQU 0x04 ; 4 4-byte single precision real
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TDBL EQU 0x08 ; 8 8-byte single precision real
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; --------------------------------------------------
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; Constants to skip next Ops
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; --------------------------------------------------
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LD_A_n EQU 0x3E ; skip next 1-byte op
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LD_B_n EQU 0x06 ; skip next 1-byte op
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LD_C_n EQU 0x0E ; skip next 1-byte op
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LD_D_n EQU 0x16 ; skip next 1-byte op
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LD_E_n EQU 0x1E
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LD_BC_nn EQU 0x01 ; skip next 2-byte op
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LD_DE_nn EQU 0x11 ; skip next 2-byte op
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LD_HL_nn EQU 0x21
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JP_NZ_nn EQU 0xC2 ;
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JP_nn EQU 0xC3
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JP_Z_nn EQU 0xCA ; skip next 2-byte op
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CALL_nn EQU 0xCD
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OUT_n_A EQU 0xD3
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IN_A_n EQU 0xDB
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OR_n EQU 0xF6 ; skip next byte op, set flags
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CP_n EQU 0xFE ; skip next byte op, set flags
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FORSIZ EQU 0x16
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BOTCON EQU 0x0c ; 12
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INT2CON EQU 0x0f
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NMLO.C EQU 0x08
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CLMWID EQU 0x0e
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LSTOPK EQU 0x0c
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NMREL EQU 0x03
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ARG EQU 4
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PRMSIZ EQU 100 ; 0x64
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CSTRNG EQU 0x5C ; 92
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KBFLEN EQU 0x13E ; 318
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SCREEN_HEIGHT EQU 256
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SCREEN_WIDTH EQU 384
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; Device types
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DMEM EQU 0xfb ; 251
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DGRP EQU 0xfc ; 252
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DCRT EQU 0xfd ; 253
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DLPT EQU 0xfe ; 254
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DCAS EQU 0xff ; 255
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