Software Vault: The Gold Collection

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Text File | 1993-04-01 | 8KB | 529 lines

- 1 - A. Appendix_for_as1805_Frankenstein_Assembler A.1 Pseudo_Operations A.1.1 Standard_Pseudo_Operation_Mnemonics End END File Inclusion INCL INCLUDE If IF Else ELSE End If ENDI Equate EQU Set SET Org ORG Reserve Memory RESERVE RMB Define Byte Data BYTE DB FCB Define Word Data DW FDB WORD Define String Data FCC STRING Define Character Set Translation CHARSET Define Character Value CHARDEF CHD Use Character Translation CHARUSE A.2 Instructions A.2.1 Instruction_List Opcode Syntax Selection Criteria ADC ADCI '#' expr ADD ADI '#' expr AND ANI '#' expr B1 expr B2 expr B3 expr B4 expr - 2 - Opcode Syntax Selection Criteria BCI expr TS1805 BDF expr BGE expr BL expr BM expr BN1 expr BN2 expr BN3 expr BN4 expr BNF expr BNQ expr BNZ expr BPZ expr BQ expr BR expr BXI expr TS1805 BZ expr CID TS1805 CIE TS1805 DACI '#' expr TS1805 DADC TS1805 DADD TS1805 DADI '#' expr TS1805 DBNZ expr ',' expr TS1805 - 3 - Opcode Syntax Selection Criteria DEC expr DIS DSAV TS1805 DSBI '#' expr TS1805 DSM TS1805 DSMB TS1805 DSMI '#' expr TS1805 DTC TS1805 ETQ TS1805 GEC TS1805 GHI expr GLO expr IDL INC expr INP expr IRX LBDF expr LBNF expr LBNQ expr LBNZ expr LBQ expr LBR expr LBZ expr - 4 - Opcode Syntax Selection Criteria LDA expr LDC TS1805 LDI '#' expr LDN expr LDX LDXA LSDF LSIE LSKP LSNF LSNQ LSNZ LSQ LSZ MARK NBR expr NLBR expr NOP OR ORI '#' expr OUT expr PHI expr PLO expr REQ - 5 - Opcode Syntax Selection Criteria RET RLDI expr ',' '#' expr TS1805 RLXA expr TS1805 RNX expr TS1805 RSHL RSHR RSXD expr TS1805 SAV SCAL expr ',' expr TS1805 SCM1 TS1805 SCM2 TS1805 SD SDB SDBI '#' expr SDI '#' expr SEP expr SEQ SEX expr SHL SHLC SHR SHRC SKP - 6 - Opcode Syntax Selection Criteria SM SMB SMBI '#' expr SMI '#' expr SPM1 TS1805 SPM2 TS1805 SRET expr TS1805 STM TS1805 STPC TS1805 STR expr STXD XID TS1805 XIE TS1805 XOR XRI '#' expr A.2.2 Selection_Criteria_Keywords TS1805 Instruction is only valid for the 1804A/1805A/1806A instruction sets. A.2.3 Apostrophes The apostrophes in the syntax field are a notation used for the parser generator and are not put in the assembler source statement. A.3 Notes A.3.1 Instruction_Set_Selection The default is the 1805 instruction set. To restrict the instruction set, use the -p 1802 optional arguement on the command line, or rename or link the program file with a name containing the string 1802 (or just "02"). - 7 - A.3.2 Register_and_Port_expressions The register and port numbers are specified as expressions. For registers, the value must be between 0 and 15 (1 and 15 for the LDN instruction). For input/output ports, the value must be between 1 and 7. The value must be computable when processed in the first pass. The SET and EQU statements can be used to setup symbols for registers and ports. It is recomended that a standard include file be setup to assign a set of symbols (like R0 to R15) for registers. A.3.3 Branch_Target_Expression_Validity The "expression fails validity test" error message can occur if the destination of a short branch is not on the same page as the the last byte of the instruction. The "expression exceeds available field width" can also occur for this case. Usually the validity message occurs when the destination is at a lower page, and the width message occurs when the destination is at a higher page. A.3.4 Immediate_Data The immediate data expressions for the RLDI (as well as the arithmetic and logic operations) are required to be on same line as the opcode. A.3.5 Reserved_Symbols A.3.5.1 Standard_Reserved_Symbols AND DEFINED EQ GE GT HIGH LE LOW LT MOD NE NOT OR SHL SHR XOR and defined eq ge gt high le low lt mod ne not or shl shr xor CONTENTS A. Appendix for as1805 Frankenstein Assembler........... 1 A.1 Pseudo Operations............................... 1 A.2 Instructions.................................... 1 A.3 Notes........................................... 6 - i -