Turnbull China Bikeride

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Text File | 1992-05-13 | 12KB | 642 lines

; **************************************************************************** ; This file is freeware, you may copy it, but not modify and/or make money ; with it ; the contence is a conclusion of !formula.tlastatrel and !formula.functions ; formula is freeware ; it's publiced here for people, who don't have, don't want formula ; **************************************************************************** stackregister .EQU R12 tempregister .EQU R11 formulastackregistersave .EQU FALSE formulatempregistersave .EQU FALSE formulaflagsave .EQU FALSE formulastacklength .EQU 256. ; used macros following .MACRO LADR \adress .IF \adress- %2 >65524. MOV %1,#((\adress - %2 + 8 + 12.) & 0FF) ADD %1,%1,#(((\adress - %2 + 8 + 12.) / 100) &0FF) << 8 ADD %1,%1,#((\adress - %2 + 8 + 12.) / 10000) << 16. .ELSE MOV %1,#((\adress - %2 + 8 + 8) & 0FF) ADD %1,%1,#(((\adress - %2 + 8 + 8) / 100) &0FF) << 8 .ENDC SUB %1,PC,%1 .ENDM .MACRO ADDR \addr .IF \addr- %2 >255. LADR %1,%2 .ELSE ADR %1,%2 .ENDC .ENDM .MACRO LD \load .IF \load- %2 >4084. LADR %1,%2 LDR %1,[%1] .ELSE LDR %1,%2 .ENDC .ENDM .MACRO LDB \load .IF \load- %2 >4084. LADR %1,%2 LDRB %1,[%1] .ELSE LDRB %1,%2 .ENDC .ENDM .MACRO ST \store .IF \store- %2 >4084. LADR tempregister,%2 STR %1,[tempregister] .ELSE STR %1,%2 .ENDC .ENDM .MACRO STB \store .IF \store- %2 >4084. LADR tempregister,%2 STRB %1,[tempregister] .ELSE STRB %1,%2 .ENDC .ENDM .MACRO BACKADDR LDR tempregister,\goadress ADD %1,PC,tempregister B \ready \goadress .WORD %2-\goadress \ready .ENDM .MACRO formuladata ; stackspace for the stack of formula ; Invoke this only one time !!!! B formulajump formulatemp .BLOCK formulastacklength,0 .ALIGN formularegistersave .BLOCK 64. .ALIGN formulaclitail .BLOCK 257.,0 .ALIGN formulamystackregistersave .WORD 0 formulajump formula_one .EQU 1 .ENDM ; initialisation for formula, MUST be called before the first formulacommand ; change values of stackregister and tempregister .MACRO formulainit LADR stackregister,formulatemp LADR tempregister,formulamystackregistersave STR stackregister,[tempregister] STR stackregister,[stackregister,#4] .ENDM formuladata formulainit .NOLIST .MACRO GO B %1 .ENDM .MACRO GOLINK BL %1 .ENDM .MACRO GOcond B%1 %2 .ENDM .MACRO saveregister .IF formulastackregistersave .IF formulatempregistersave STR tempregister,\tempregistersave .ENDC LD tempregister,formulamystackregistersave STR stackregister,[tempregister,#4] MOV stackregister,tempregister .ENDC .IF formulaflagsave MOV tempregister,R15 AND tempregister,tempregister,#0FC << 24. STR tempregister,[stackregister,#8] .ENDC .IF formulatempregistersave .IF formulastackregistersave LDR tempregister,\tempregistersave GO \hupf \tempregistersave .WORD 0 \hupf .ENDC STR tempregister,[stackregister,#0] .ENDC .ENDM .MACRO restoreregister .IF formulaflagsave LDR tempregister,[stackregister,#8] TEQP R15,#0FC << 24. TEQP R15,tempregister .ENDC .IF formulatempregistersave LDR tempregister,[stackregister,#0] .ENDC .IF formulastackregistersave LDR stackregister,[stackregister,#4] .ENDC .ENDM .MACRO STACKadd INTsum %1,%2,#%3 .IF formulastackregistersave ST stackregister,formulamystackregistersave .ENDC .ENDM .MACRO STACKsub INTsubtract %1,%2,#%3 .IF formulastackregistersave ST stackregister,formulamystackregistersave .ENDC .ENDM .MACRO DEFSTORE %1 .BLOCK %2,%3 .ALIGN .ENDM ; division routine ; 1. calculate flag if result is negate and convert operands to positiv ; 2. second "divide" with unsigned suczessive Approximation ; 3. fix the sign of result .MACRO INTdivide_mac STR %2,\arg2save STR %3,\arg3save MOV tempregister,#0 CMP %2,#0 RSBLT %2,%2,#0 SUBLT tempregister,tempregister,#1 CMP %3,#0 RSBLT %3,%3,#0 MVNLT tempregister,tempregister STR tempregister,\sign MOV tempregister,#0 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 ADDS %2,%2,%2 ADCS tempregister,tempregister,tempregister CMP tempregister,%3 SUBGE tempregister,tempregister,%3 ADDGE %2,%2,#1 LDR tempregister,\sign CMP tempregister,#0 RSBNE %2,%2,#0 MOV tempregister,%2 LDR %2,\arg2save LDR %3,\arg3save MOV %1,tempregister GO \hupf \arg2save .WORD 0 \arg3save .WORD 0 \sign .WORD 0 \hupf .ENDM .MACRO INTconstlongload LDR %1,\temp GO \jump2 \temp .WORD %2 \jump2 .ENDM .MACRO INTconstload .IF 100<%2 INTconstlongload %1,%2 .ELSE .IF 0>%2 INTconstlongload %1,%2 .ELSE MOV %1,#%2 .ENDC .ENDC .ENDM .MACRO INTsum ADD %1,%2,%3 .ENDM .MACRO INTsubtract SUB %1,%2,%3 .ENDM .MACRO INTconstmult .IF %2<>1 .IF %2=4 MOV %1,%1,ASL #2 .ELSE MOV tempregister,%1 MUL %1,tempregister,#%2 .ENDC .ENDC .ENDM .MACRO INTmodulo STR %2,\temp2 STR %3,\temp3 INTdivide_mac %1,%2,%3 MOV tempregister,%1 LDR %2,\temp2 LDR %3,\temp3 MUL tempregister,%3,tempregister SUB %1,%2,tempregister B \ready \temp2 .WORD 0 \temp3 .WORD 0 \ready .ENDM .MACRO INTregstore MOV %1,%2 .ENDM .MACRO INTarraystore STR %2,[%1] .ENDM .MACRO INTarrayload LDR %2,[%1] .ENDM .MACRO INTgreater CMP %2,%3 MOVGT %1,#1 MOVLE %1,#0 .ENDM .MACRO INTless CMP %2,%3 MOVLT %1,#1 MOVGE %1,#0 .ENDM .MACRO INTstackload LDR %1,%2,%3 .ENDM .MACRO INTstackstore STR %3,%1,%2 .ENDM .MACRO STRINGconstload GO \hupf \adress .STRING %2 .ALIGN .WORD 0 \hupf ADR %1,\adress .ENDM .MACRO INTPTRconstload ADDR %1,%2 .ENDM .MACRO INTPTRstackload LDR %1,%2,%3 .ENDM .MACRO INTPTRstackstore STR %3,%1,%2 .ENDM .MACRO CHARPTRstackstore STR %3,%1,%2 .ENDM .MACRO ifnotgoto CMP %2,#0 GOcond EQ,%1 .ENDM .MACRO goto GO %1 .ENDM .ALIGN .LIST ;routines to check errors after a SWI via the V-flag B formulafunctionstart errorcheckflag .EQU TRUE ; error, if errorflag==1 ; no error, if errorflag==0 ; DECLARE INT errorflag errorflag .WORD 0 ; RiscOS errorblock ; DECLARE CHARPTR errorblock errorblock .WORD 0 formulaerrorcheck BVS formulaerror MOV tempregister,#0 STR tempregister,errorflag B formulaerrorback formulaerror STR R0,errorblock MOV tempregister,#1 STR tempregister,errorflag formulaerrorback MOV PC,R14 MOV R0,R0 formulafunctionstart .MACRO errorcheck .IF errorcheckflag STR R14,\temp BL formulaerrorcheck LDR R14,\temp B \ready \temp .WORD 0 \ready .ENDC .ENDM .MACRO perror LD tempregister,errorflag CMP tempregister,#1 BNE \ready STR R0,\formulatemp0 LD R0,errorblock ADD R0,R0,#4 SWI XOS_Write0 SWI XOS_NewLine LDR R0,\formulatemp0 B \ready \formulatemp0 \ready .ENDM ;Macro to convert integer %2 to string %1 destroy R0,R1,R2,R3,R4 .MACRO int2stringmacro GO \hupf \buffer .BLOCK 12. .ALIGN \hupf ADR R4,\buffer MOV R2,#11. MOV R0,%2 MOV R1,R4 SWI XOS_BinaryToDecimal errorcheck MOV R3,#0 STRB R3,[R4,R2] MOV %1,R4 .ENDM ; DECLARE INT writeint(INT number) .MACRO writeint LDR R5,[stackregister,#%2] int2stringmacro R0,R5 SWI XOS_Write0 ; errorcheck .ENDM ; DECLARE INT system(CHARPTR cli_string) .MACRO system LDR R0,[stackregister,#%2] SWI XOS_CLI errorcheck .ENDM ; DECLARE INT cr() .MACRO cr SWI XOS_NewLine ; errorcheck .ENDM