32-bit assembly macros
macros for doing basic 32-bit operations on the 8-bit 6502
This commit is contained in:
Charles Mangin
GitHub
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85edd0e2f6
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**************************************************
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* Note:
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*
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**************************************************
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* Variables
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**************************************************
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INPUT32 EQU $E0 ; DS 4 ; 32-bit Accumulator
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XREGISTER32 EQU $E4 ; DS 4 ; input 1 for XOR, etc (X)
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YREGISTER32 EQU $E8 ; DS 4 ; input 2 for MAJ, etc (Y)
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RESULT32 EQU $EC ; DS 4 ; temp storage for various operations
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S0 EQU $80
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S1 EQU $84
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TEMP0 EQU $88 ; temp storage for various operations
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TEMP1 EQU $8C ; temp storage for various operations
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**************************************************
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* macros (expanded at assembly time)
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**************************************************
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STA32 MAC ; puts 4 bytes from 32 bit "accumulator" INPUT32 into ($01,$00), clobbers A,Y
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LDY #$03
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LDA INPUT32+3 ; load from 32 bit "accumulator"
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STA ($0),Y ; store in table pointer
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LDY #$02
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LDA INPUT32+2 ; load from 32 bit "accumulator"
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STA ($0),Y ; store in table pointer
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LDY #$01
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LDA INPUT32+1 ; load from 32 bit "accumulator"
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STA ($0),Y ; store in table pointer
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LDY #$00
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LDA INPUT32 ; load from 32 bit "accumulator"
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STA ($0),Y ; store in table pointer
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<<< ; End of Macro
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STAS1 MAC ; puts 4 bytes from 32 bit "accumulator" INPUT32 into S1
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LDA INPUT32+3 ; load from 32 bit "accumulator"
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STA S1+3 ; store in table pointer
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LDA INPUT32+2 ; load from 32 bit "accumulator"
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STA S1+2 ; store in table pointer
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LDA INPUT32+1 ; load from 32 bit "accumulator"
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STA S1+1 ; store in table pointer
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LDA INPUT32 ; load from 32 bit "accumulator"
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STA S1 ; store in table pointer
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<<< ; End of Macro
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STAS0 MAC ; puts 4 bytes from 32 bit "accumulator" INPUT32 into S0
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LDA INPUT32+3 ; load from 32 bit "accumulator"
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STA S0+3 ; store in table pointer
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LDA INPUT32+2 ; load from 32 bit "accumulator"
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STA S0+2 ; store in table pointer
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LDA INPUT32+1 ; load from 32 bit "accumulator"
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STA S0+1 ; store in table pointer
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LDA INPUT32 ; load from 32 bit "accumulator"
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STA S0 ; store in table pointer
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<<< ; End of Macro
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STATEMP1 MAC ; puts 4 bytes from 32 bit "accumulator" INPUT32 into TEMP0
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LDA INPUT32+3 ; load from 32 bit "accumulator"
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STA TEMP1+3 ; store in table pointer
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LDA INPUT32+2 ; load from 32 bit "accumulator"
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STA TEMP1+2 ; store in table pointer
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LDA INPUT32+1 ; load from 32 bit "accumulator"
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STA TEMP1+1 ; store in table pointer
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LDA INPUT32 ; load from 32 bit "accumulator"
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STA TEMP1 ; store in table pointer
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<<< ; End of Macro
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STATEMP0 MAC ; puts 4 bytes from 32 bit "accumulator" INPUT32 into TEMP0
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LDA INPUT32+3 ; load from 32 bit "accumulator"
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STA TEMP0+3 ; store in table pointer
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LDA INPUT32+2 ; load from 32 bit "accumulator"
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STA TEMP0+2 ; store in table pointer
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LDA INPUT32+1 ; load from 32 bit "accumulator"
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STA TEMP0+1 ; store in table pointer
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LDA INPUT32 ; load from 32 bit "accumulator"
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STA TEMP0 ; store in table pointer
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<<< ; End of Macro
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LDA32 MAC ; puts 4 bytes from ($01,$00) into 32 bit "accumulator" INPUT32, clobbers A,Y
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LDY #$03
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LDA ($0),Y ; load from table pointer
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STA INPUT32+3 ; store in 32 bit "accumulator"
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LDY #$02
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LDA ($0),Y ; load from table pointer
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STA INPUT32+2 ; store in 32 bit "accumulator"
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LDY #$01
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LDA ($0),Y ; load from table pointer
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STA INPUT32+1 ; store in 32 bit "accumulator"
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LDY #$00
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LDA ($0),Y ; load from table pointer
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STA INPUT32 ; store in 32 bit "accumulator"
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<<< ; End of Macro
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;/LDA32
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LDX32 MAC ; puts 4 bytes from ($01,$00) into 32 bit "X register" XREGISTER32
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LDY #$03
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LDA ($0),Y ; load from table pointer
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STA XREGISTER32+3 ; store in 32 bit "X register"
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LDY #$02
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LDA ($0),Y ; load from table pointer
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STA XREGISTER32+2 ; store in 32 bit "X register"
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LDY #$01
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LDA ($0),Y ; load from table pointer
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STA XREGISTER32+1 ; store in 32 bit "X register"
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LDY #$00
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LDA ($0),Y ; load from table pointer
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STA XREGISTER32 ; store in 32 bit "X register"
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<<< ; End of Macro
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;/LDX32
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LDY32 MAC ; puts 4 bytes from ($01,$00) into 32 bit "Y register" YREGISTER32
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LDY #$03
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LDA ($0),Y ; load from table pointer
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STA YREGISTER32+3 ; store in 32 bit "Y register"
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LDY #$02
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LDA ($0),Y ; load from table pointer
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STA YREGISTER32+2 ; store in 32 bit "Y register"
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LDY #$01
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LDA ($0),Y ; load from table pointer
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STA YREGISTER32+1 ; store in 32 bit "Y register"
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LDY #$00
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LDA ($0),Y ; load from table pointer
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STA YREGISTER32 ; store in 32 bit "Y register"
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<<< ; End of Macro
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;/LDY32
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TAX32 MAC
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LDA INPUT32+3 ; load from INPUT32
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STA XREGISTER32+3 ; store in 32 bit "X register"
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LDA INPUT32+2 ; load from INPUT32
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STA XREGISTER32+2 ; store in 32 bit "X register"
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LDA INPUT32+1 ; load from INPUT32
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STA XREGISTER32+1 ; store in 32 bit "X register"
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LDA INPUT32 ; load from INPUT32
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STA XREGISTER32 ; store in 32 bit "X register"
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<<< ; End of Macro
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;/TAX32
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TAY32 MAC
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LDA INPUT32+3 ; load from INPUT32
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STA YREGISTER32+3 ; store in 32 bit "Y register"
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LDA INPUT32+2 ; load from INPUT32
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STA YREGISTER32+2 ; store in 32 bit "Y register"
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LDA INPUT32+1 ; load from INPUT32
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STA YREGISTER32+1 ; store in 32 bit "Y register"
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LDA INPUT32 ; load from INPUT32
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STA YREGISTER32 ; store in 32 bit "Y register"
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<<< ; End of Macro
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;/TAY32
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TXA32 MAC
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LDA XREGISTER32+3 ; load from 32 bit "X register"
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STA INPUT32+3 ; store in INPUT32
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LDA XREGISTER32+2 ; load from 32 bit "X register"
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STA INPUT32+2 ; store in INPUT32
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LDA XREGISTER32+1 ; load from 32 bit "X register"
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STA INPUT32+1 ; store in INPUT32
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LDA XREGISTER32 ; load from 32 bit "X register"
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STA INPUT32 ; store in INPUT32
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<<< ; End of Macro
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;/TXA32
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TYA32 MAC
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LDA YREGISTER32+3 ; load from 32 bit "Y register"
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STA INPUT32+3 ; store in INPUT32
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LDA YREGISTER32+2 ; load from 32 bit "Y register"
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STA INPUT32+2 ; store in INPUT32
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LDA YREGISTER32+1 ; load from 32 bit "Y register"
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STA INPUT32+1 ; store in INPUT32
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LDA YREGISTER32 ; load from 32 bit "Y register"
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STA INPUT32 ; store in INPUT32
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<<< ; End of Macro
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;/TYA32
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TYX32 MAC
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LDA YREGISTER32+3 ; load from 32 bit "Y register"
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STA XREGISTER32+3 ; store in XREGISTER32
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LDA YREGISTER32+2 ; load from 32 bit "Y register"
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STA XREGISTER32+2 ; store in XREGISTER32
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LDA YREGISTER32+1 ; load from 32 bit "Y register"
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STA XREGISTER32+1 ; store in XREGISTER32
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LDA YREGISTER32 ; load from 32 bit "Y register"
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STA XREGISTER32 ; store in XREGISTER32
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<<< ; End of Macro
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;/TYX32
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TXYR32 MAC
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LSR ; load from 32 bit "X register"
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STA YREGISTER32 ; store in YREGISTER32
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LDA XREGISTER32+1 ; load from 32 bit "X register"
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ROR
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STA YREGISTER32+1 ; store in YREGISTER32
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LDA XREGISTER32+2 ; load from 32 bit "X register"
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ROR
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STA YREGISTER32+2 ; store in YREGISTER32
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LDA XREGISTER32+3 ; load from 32 bit "X register"
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ROR
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STA YREGISTER32+3 ; store in YREGISTER32
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LDA #$00 ; accumulator to 0
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ROR ; CARRY into bit7
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ORA YREGISTER32 ; acccumulator bit7 into BIT31
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<<< ; End of Macro
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;/TXYR32
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RIGHTROTATEXY8 MAC ; rotate INPUT32 by a full byte
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STA YREGISTER32+1
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LDA XREGISTER32+3
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LSR
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STA YREGISTER32
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ROR YREGISTER32+1
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LDA XREGISTER32+1
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ROR
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STA YREGISTER32+2
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LDA XREGISTER32+2
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ROR
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STA YREGISTER32+3
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LDA #$00 ; accumulator to 0
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ROR ; CARRY into bit7
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ORA YREGISTER32 ; acccumulator bit7 into BIT31
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<<< ; End of Macro
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;/RIGHTROTATEXY8
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RIGHTROTATEYA8 MAC ; rotate INPUT32 by a full byte
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STA INPUT32+1
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LDA YREGISTER32+3
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LSR
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STA INPUT32
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ROR INPUT32+1
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LDA YREGISTER32+1
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ROR
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STA INPUT32+2
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LDA YREGISTER32+2
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ROR
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STA INPUT32+3
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LDA #$00 ; accumulator to 0
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ROR ; CARRY into bit7
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ORA INPUT32 ; acccumulator bit7 into BIT31
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<<< ; End of Macro
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;/RIGHTROTATEYA8
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RIGHTROTATE8 MAC ; rotate INPUT32 by a full byte
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STA INPUT32+1
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LDA YREGISTER32+1
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STA INPUT32+2
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LDA YREGISTER32+2
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STA INPUT32+3
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LDA YREGISTER32+3
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<<< ; End of Macro
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;/RIGHTROTATE8
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RIGHTSHIFT8 MAC ; rotate 32 bits right, 0->BIT31, clobbers AY
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LDY #$00
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LDA INPUT32+2
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STA INPUT32+3
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LDA INPUT32+1
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STA INPUT32+2
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LDA INPUT32
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STA INPUT32+1
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STY INPUT32
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<<< ; End of Macro
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;/RIGHTSHIFT8
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RIGHTROTATEX32 MAC ; rotate 32 bits right, BIT0->BIT31, clobbers AY
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RIGHTSHIFTX32
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LDA #$00 ; accumulator to 0
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ROR ; CARRY into bit7
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ORA XREGISTER32 ; acccumulator bit7 into BIT31
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<<< ; End of Macro
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;/RIGHTROTATEX32
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RIGHTROTATEY32 MAC ; rotate 32 bits right, BIT0->BIT31, clobbers AY
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RIGHTSHIFTY32
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LDA #$00 ; accumulator to 0
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ROR ; CARRY into bit7
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ORA YREGISTER32 ; acccumulator bit7 into BIT31
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<<< ; End of Macro
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;/RIGHTROTATEY32
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RIGHTROTATE32 MAC ; rotate 32 bits right, BIT0->BIT31, clobbers AY
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RIGHTSHIFT32
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LDA #$00 ; accumulator to 0
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ROR ; CARRY into bit7
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ORA INPUT32 ; acccumulator bit7 into BIT31
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<<< ; End of Macro
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;/RIGHTROTATE32
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RIGHTROTATEA32 MAC ; rotate 32 bits right, BIT0->BIT31, clobbers AY
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RIGHTSHIFTA32
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LDA #$00 ; accumulator to 0
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ROR ; CARRY into bit7
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ORA INPUT32 ; acccumulator bit7 into BIT31
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<<< ; End of Macro
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;/RIGHTROTATEA32
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RIGHTSHIFTX32 MAC ; rotate 32 bits right, 0->BIT31, clobbers AY
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LSR
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STA XREGISTER32
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ROR XREGISTER32+1 ; put result into XREGISTER32
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ROR XREGISTER32+2 ; put result into XREGISTER32
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ROR XREGISTER32+3 ; put result into XREGISTER32
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<<< ; End of Macro
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;/RIGHTSHIFTX32
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RIGHTSHIFTY32 MAC ; rotate 32 bits right, 0->BIT31, clobbers AY
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LSR
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STA YREGISTER32
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ROR YREGISTER32+1 ; put result into YREGISTER32
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ROR YREGISTER32+2 ; put result into YREGISTER32
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ROR YREGISTER32+3 ; put result into YREGISTER32
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<<< ; End of Macro
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;/RIGHTSHIFTY32
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RIGHTSHIFT32 MAC ; rotate 32 bits right, 0->BIT31, clobbers AY
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LSR INPUT32
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ROR INPUT32+1 ; put result into INPUT32
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ROR INPUT32+2 ; put result into INPUT32
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ROR ; put result into INPUT32
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<<< ; End of Macro
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;/RIGHTSHIFT32
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RIGHTSHIFTA32 MAC ; rotate 32 bits right, 0->BIT31, clobbers AY
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LSR
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STA INPUT32
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ROR INPUT32+1 ; put result into INPUT32
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ROR INPUT32+2 ; put result into INPUT32
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ROR INPUT32+3 ; put result into INPUT32
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<<< ; End of Macro
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;/RIGHTSHIFTA32
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RIGHTSHIFT24 MAC ; rotate 24 bits right, 0->BIT23, clobbers AY
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LSR INPUT32+1 ; put result into INPUT32
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ROR INPUT32+2 ; put result into INPUT32
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ROR ; put result into INPUT32
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<<< ; End of Macro
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;/RIGHTSHIFT24
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ADC32 MAC ; Adds INPUT32 and XREGISTER32 with carry, if any, clobbers A,Y
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LDA INPUT32+3 ; LDA byte
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ADC XREGISTER32+3 ; ADD with CARRY with OPERAND
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STA INPUT32+3 ; output to INPUT32, overflow into carry
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LDA INPUT32+2 ; LDA byte
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ADC XREGISTER32+2 ; ADD with CARRY with OPERAND
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STA INPUT32+2 ; output to INPUT32, overflow into carry
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LDA INPUT32+1 ; LDA byte
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ADC XREGISTER32+1 ; ADD with CARRY with OPERAND
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STA INPUT32+1 ; output to INPUT32, overflow into carry
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LDA INPUT32 ; LDA byte
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ADC XREGISTER32 ; ADD with CARRY with OPERAND
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STA INPUT32 ; output to INPUT32, overflow into carry
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<<< ; End of Macro
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;/ADC32
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LDXADC32 MAC ; adds INPUT32 with bytes from table 00,01
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CLC
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LDY #$03
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LDA INPUT32+3 ; LDA byte
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ADC ($0),Y ; ADD with CARRY with OPERAND
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STA INPUT32+3 ; output to INPUT32, overflow into carry
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LDY #$02
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LDA INPUT32+2 ; LDA byte
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ADC ($0),Y ; ADD with CARRY with OPERAND
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STA INPUT32+2 ; output to INPUT32, overflow into carry
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LDY #$01
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LDA INPUT32+1 ; LDA byte
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ADC ($0),Y ; ADD with CARRY with OPERAND
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STA INPUT32+1 ; output to INPUT32, overflow into carry
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LDY #$00
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LDA INPUT32 ; LDA byte
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ADC ($0),Y ; ADD with CARRY with OPERAND
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STA INPUT32 ; output to INPUT32, overflow into carry
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<<< ; End of Macro
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;/LDXADC32
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LDSADC32 MAC ; adds INPUT32 with bytes from Stable
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CLC
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LDA INPUT32+3 ; LDA byte
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ADC S0 + ]1 + 3 ; ADD with CARRY with OPERAND
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STA INPUT32+3 ; output to INPUT32, overflow into carry
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LDA INPUT32+2 ; LDA byte
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ADC S0 + ]1 + 2 ; ADD with CARRY with OPERAND
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STA INPUT32+2 ; output to INPUT32, overflow into carry
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LDA INPUT32+1 ; LDA byte
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ADC S0 + ]1 + 1 ; ADD with CARRY with OPERAND
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STA INPUT32+1 ; output to INPUT32, overflow into carry
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LDA INPUT32 ; LDA byte
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ADC S0 + ]1 ; ADD with CARRY with OPERAND
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STA INPUT32 ; output to INPUT32, overflow into carry
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<<< ; End of Macro
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;/LDSADC32
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AND32 MAC ; AND function, output to INPUT32, clobbers AY
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LDA INPUT32+3 ; LDA byte
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AND XREGISTER32+3 ; AND with OPERAND
|
||||
STA INPUT32+3 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+2 ; LDA byte
|
||||
AND XREGISTER32+2 ; AND with OPERAND
|
||||
STA INPUT32+2 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+2 ; LDA byte
|
||||
AND XREGISTER32+1 ; AND with OPERAND
|
||||
STA INPUT32+1 ; output to INPUT32
|
||||
|
||||
LDA INPUT32 ; LDA byte
|
||||
AND XREGISTER32 ; AND with OPERAND
|
||||
STA INPUT32 ; output to INPUT32
|
||||
|
||||
<<< ; End of Macro
|
||||
|
||||
;/AND32
|
||||
|
||||
; XOR32 MAC ; XOR function, output to INPUT32, clobbers AY
|
||||
; LDA INPUT32+3 ; LDA byte
|
||||
; EOR XREGISTER32+3 ; EOR with OPERAND
|
||||
; STA INPUT32+3 ; output to INPUT32
|
||||
;
|
||||
; LDA INPUT32+2 ; LDA byte
|
||||
; EOR XREGISTER32+2 ; EOR with OPERAND
|
||||
; STA INPUT32+2 ; output to INPUT32
|
||||
;
|
||||
; LDA INPUT32+1 ; LDA byte
|
||||
; EOR XREGISTER32+1 ; EOR with OPERAND
|
||||
; STA INPUT32+1 ; output to INPUT32
|
||||
;
|
||||
; LDA INPUT32 ; LDA byte
|
||||
; EOR XREGISTER32 ; EOR with OPERAND
|
||||
; STA INPUT32 ; output to INPUT32
|
||||
;
|
||||
; <<< ; End of Macro
|
||||
; ;/XOR32
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
XORAXY32T0 MAC
|
||||
|
||||
EOR XREGISTER32+3 ; EOR with OPERAND
|
||||
EOR YREGISTER32+3 ; EOR with OPERAND
|
||||
STA TEMP0+3 ; output to TEMP0
|
||||
|
||||
LDA INPUT32+2 ; LDA byte
|
||||
EOR XREGISTER32+2 ; EOR with OPERAND
|
||||
EOR YREGISTER32+2 ; EOR with OPERAND
|
||||
STA TEMP0+2 ; output to TEMP0
|
||||
|
||||
LDA INPUT32+1 ; LDA byte
|
||||
EOR XREGISTER32+1 ; EOR with OPERAND
|
||||
EOR YREGISTER32+1 ; EOR with OPERAND
|
||||
STA TEMP0+1 ; output to INPUT32
|
||||
|
||||
LDA INPUT32 ; LDA byte
|
||||
EOR XREGISTER32 ; EOR with OPERAND
|
||||
EOR YREGISTER32 ; EOR with OPERAND
|
||||
STA TEMP0 ; output to TEMP0
|
||||
|
||||
|
||||
<<< ; End of Macro
|
||||
;/XORAXY32
|
||||
|
||||
|
||||
XORAXY32S1 MAC
|
||||
|
||||
EOR XREGISTER32 ; EOR with OPERAND
|
||||
EOR YREGISTER32 ; EOR with OPERAND
|
||||
STA S1 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+1 ; LDA byte
|
||||
EOR XREGISTER32+1 ; EOR with OPERAND
|
||||
EOR YREGISTER32+1 ; EOR with OPERAND
|
||||
STA S1+1 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+2 ; LDA byte
|
||||
EOR XREGISTER32+2 ; EOR with OPERAND
|
||||
EOR YREGISTER32+2 ; EOR with OPERAND
|
||||
STA S1+2 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+3 ; LDA byte
|
||||
EOR XREGISTER32+3 ; EOR with OPERAND
|
||||
EOR YREGISTER32+3 ; EOR with OPERAND
|
||||
STA S1+3 ; output to INPUT32
|
||||
|
||||
<<< ; End of Macro
|
||||
;/XORAXY32S1
|
||||
|
||||
|
||||
XORAXY32S0 MAC
|
||||
|
||||
EOR XREGISTER32 ; EOR with OPERAND
|
||||
EOR YREGISTER32 ; EOR with OPERAND
|
||||
STA S0 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+1 ; LDA byte
|
||||
EOR XREGISTER32+1 ; EOR with OPERAND
|
||||
EOR YREGISTER32+1 ; EOR with OPERAND
|
||||
STA S0+1 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+2 ; LDA byte
|
||||
EOR XREGISTER32+2 ; EOR with OPERAND
|
||||
EOR YREGISTER32+2 ; EOR with OPERAND
|
||||
STA S0+2 ; output to INPUT32
|
||||
|
||||
LDA INPUT32+3 ; LDA byte
|
||||
EOR XREGISTER32+3 ; EOR with OPERAND
|
||||
EOR YREGISTER32+3 ; EOR with OPERAND
|
||||
STA S0+3 ; output to INPUT32
|
||||
|
||||
<<< ; End of Macro
|
||||
;/XORAXY32S0
|
||||
|
||||
|
||||
XORAXYADD24 MAC
|
||||
|
||||
EOR XREGISTER32+3 ; EOR with OPERAND
|
||||
EOR YREGISTER32+3 ; EOR with OPERAND
|
||||
ADC TEMP0+3 ; ADD with CARRY with OPERAND
|
||||
STA XREGISTER32+3 ; output to XREGISTER32
|
||||
|
||||
LDA INPUT32+2 ; LDA byte
|
||||
EOR XREGISTER32+2 ; EOR with OPERAND
|
||||
EOR YREGISTER32+2 ; EOR with OPERAND
|
||||
ADC TEMP0+2 ; ADD with CARRY with OPERAND
|
||||
STA XREGISTER32+2 ; output to XREGISTER32
|
||||
|
||||
LDA INPUT32+1 ; LDA byte
|
||||
EOR XREGISTER32+1 ; EOR with OPERAND
|
||||
EOR YREGISTER32+1 ; EOR with OPERAND
|
||||
ADC TEMP0+1
|
||||
STA XREGISTER32+1 ; output to XREGISTER32
|
||||
|
||||
LDA XREGISTER32 ; EOR with OPERAND
|
||||
EOR YREGISTER32 ; EOR with OPERAND
|
||||
ADC TEMP0 ; ADD with CARRY with OPERAND
|
||||
STA XREGISTER32 ; output to XREGISTER32
|
||||
|
||||
<<< ; End of Macro
|
||||
;/XORAXYADD24
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue