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cx16 target: update float routine addresses to new r39 kernal FP package
This commit is contained in:
Irmen de Jong
parent
5494f309c0
commit
4e33ab1e89
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@ -25,46 +25,64 @@ romsub $af00 = AYINT() clobbers(A,X,Y) ; fac1-> signed word in 102-103
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; there is also floats.GIVUAYFAY - unsigned word in A/Y (lo/hi) to fac1
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; (tip: use GIVAYFAY to use A/Y input; lo/hi switched to normal order)
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romsub $af03 = GIVAYF(ubyte lo @ Y, ubyte hi @ A) clobbers(A,X,Y)
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romsub $af09 = VAL(ubyte length @ A) clobbers(A,X,Y) ; str -> fac1, $24/25 must point to string in bank1, A=string length Don't call this from bank0
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; fac1 -> unsigned word in Y/A (might throw ILLEGAL QUANTITY) (result also in $16/17)
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romsub $af06 = FOUT() clobbers(X) -> uword @ AY ; fac1 -> string, address returned in AY
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; romsub $af09 = VAL_1() clobbers(A,X,Y) ; convert ASCII string to floating point [not yet implemented!!!]
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; fac1 -> unsigned word in Y/A (might throw ILLEGAL QUANTITY) (result also in $14/15)
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; (tip: use GETADRAY to get A/Y output; lo/hi switched to normal little endian order)
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romsub $af0c = GETADR() clobbers(X) -> ubyte @ Y, ubyte @ A
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romsub $af0f = FLOATC() clobbers(A,X,Y) ; convert address to floating point
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romsub $af12 = FSUB(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt from A/Y - fac1
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romsub $af15 = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands
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romsub $af18 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y in bank 1
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romsub $af1b = FADDT() clobbers(A,X,Y) ; fac1 += fac2
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romsub $af2a = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
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romsub $af15 = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands NOTE: use FSUBT2() instead!
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romsub $af18 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y
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romsub $af1b = FADDT() clobbers(A,X,Y) ; fac1 += fac2 NOTE: use FADDT2() instead!
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romsub $af1e = FMULT(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 *= mflpt value from A/Y
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romsub $af21 = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2
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romsub $af5a = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory bank 1 in A/Y into fac2
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romsub $af5d = ROMUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in current bank in A/Y into fac2
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romsub $af21 = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2 NOTE: use FMULTT2() instead!
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romsub $af24 = FDIV(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt in A/Y / fac1 (remainder in fac2)
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romsub $af27 = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands
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romsub $af63 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
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romsub $af60 = MOVFRM() clobbers(A,X,Y) ; load mflpt value from memory in $24/$25 into fac2
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romsub $af66 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
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romsub $af69 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
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romsub $af6c = MOVAF() clobbers(A,X) ; copy fac1 to fac2
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romsub $af6c = MOVEF() clobbers(A,X) ; copy fac1 to fac2
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romsub $af51 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
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romsub $af4e = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
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romsub $af54 = FCOMP(uword mflpt @ AY) clobbers(X,Y) -> ubyte @ A ; A = compare fac1 to mflpt in A/Y, 0=equal 1=fac1 is greater, 255=fac1 is less than
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romsub $af27 = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands NOTE: use FDIVT2() instead!
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romsub $af2a = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
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romsub $af2d = INT() clobbers(A,X,Y) ; INT() truncates, use FADDH first to round instead of trunc
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romsub $af06 = FOUT() clobbers(X) -> uword @ AY ; fac1 -> string, address returned in AY ($0100)
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romsub $af30 = SQR() clobbers(A,X,Y) ; fac1 = SQRT(fac1)
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romsub $af36 = FPWR(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = fac2 ** mflpt from A/Y
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romsub $af39 = FPWRT() clobbers(A,X,Y) ; fac1 = fac2 ** fac1
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romsub $af33 = NEGOP() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1)
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romsub $af36 = FPWR(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = fac2 ** float in A/Y
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romsub $af39 = FPWRT() clobbers(A,X,Y) ; fac1 = fac2 ** fac1 NOTE: use FPWRT2() instead!
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romsub $af3c = EXP() clobbers(A,X,Y) ; fac1 = EXP(fac1) (e ** fac1)
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romsub $af57 = RND() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator
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romsub $af3f = COS() clobbers(A,X,Y) ; fac1 = COS(fac1)
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romsub $af42 = SIN() clobbers(A,X,Y) ; fac1 = SIN(fac1)
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romsub $af45 = TAN() clobbers(A,X,Y) ; fac1 = TAN(fac1)
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romsub $af48 = ATN() clobbers(A,X,Y) ; fac1 = ATN(fac1)
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romsub $af4b = ROUND() clobbers(A,X,Y) ; round fac1
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romsub $af4e = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
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romsub $af51 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
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romsub $af54 = FCOMP(uword mflpt @ AY) clobbers(X,Y) -> ubyte @ A ; A = compare fac1 to mflpt in A/Y, 0=equal 1=fac1 is greater, 255=fac1 is less than
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romsub $af57 = RND_0() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator NOTE: special cx16 setup required, use RND() stub instead!!
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romsub $af5a = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac2
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romsub $af5d = ROMUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in current bank in A/Y into fac2
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romsub $af60 = MOVFRM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1 (use MOVFM instead)
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romsub $af63 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
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romsub $af66 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
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romsub $af69 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
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romsub $af6c = MOVAF() clobbers(A,X) ; copy fac1 to fac2 (rounded)
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; X16 additions
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romsub $af6f = FADDH() clobbers(A,X,Y) ; fac1 += 0.5, for rounding- call this before INT
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romsub $af72 = FADDT2() clobbers(A,X,Y) ; fac1 += fac2
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romsub $af75 = ZEROFC() clobbers(A,X,Y) ; fac1 = 0
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romsub $af78 = NORMAL() clobbers(A,X,Y) ; normalize fac1 (?)
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romsub $af7b = NEGFAC() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1) (juse use NEGOP() instead!)
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romsub $af7e = FMULTT2() clobbers(A,X,Y) ; fac1 *= fac2
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romsub $af81 = MUL10() clobbers(A,X,Y) ; fac1 *= 10
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romsub $af84 = DIV10() clobbers(A,X,Y) ; fac1 /= 10 , CAUTION: result is always positive!
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romsub $af87 = FDIVT2() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands
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romsub $af8a = MOVEF() clobbers(A,X) ; copy fac1 to fac2
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romsub $af8d = SGN() clobbers(A,X,Y) ; fac1 = SGN(fac1), result of SIGN (-1, 0 or 1)
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romsub $af90 = FLOAT() clobbers(A,X,Y) ; FAC = (u8).A
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romsub $af93 = FLOATS() clobbers(A,X,Y) ; FAC = (s16)facho+1:facho
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romsub $af9C = QINT() clobbers(A,X,Y) ; facho:facho+1:facho+2:facho+3 = u32(FAC)
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romsub $af9f = FINLOG(byte value @A) clobbers (A, X, Y) ; fac1 += signed byte in A
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romsub $afa5 = FPWRT2() clobbers(A,X,Y) ; fac1 = fac2 ** fac1
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asmsub FREADSA (byte value @A) clobbers(A,X,Y) {
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; ---- 8 bit signed A -> float in fac1
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@ -81,22 +99,14 @@ asmsub FREADSA (byte value @A) clobbers(A,X,Y) {
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asmsub GIVUAYFAY (uword value @ AY) clobbers(A,X,Y) {
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; ---- unsigned 16 bit word in A/Y (lo/hi) to fac1
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%asm {{
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stx P8ZP_SCRATCH_REG
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sta _tmp
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sty P8ZP_SCRATCH_B1
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tya
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ldy _tmp
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jsr GIVAYF ; load it as signed... correct afterwards
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lda P8ZP_SCRATCH_B1
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bpl +
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lda #<_flt65536
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ldy #>_flt65536
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jsr ROMUPK
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jsr FADDT
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+ ldx P8ZP_SCRATCH_REG
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rts
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_tmp .byte 0
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_flt65536 .byte 145,0,0,0,0 ; 65536.0
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phx
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sty $64 ; facmo
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sta $65 ; facmo+1
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ldx #$90
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sec
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jsr FLOATC
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plx
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rts
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}}
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}
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@ -111,6 +121,17 @@ asmsub GIVAYFAY (uword value @ AY) clobbers(A,X,Y) {
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}}
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}
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asmsub FTOSWRDAY () clobbers(X) -> uword @ AY {
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; ---- fac1 to signed word in A/Y
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%asm {{
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jsr FTOSWORDYA ; note the inverse Y/A order
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sta P8ZP_SCRATCH_B1
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tya
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ldy P8ZP_SCRATCH_B1
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rts
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}}
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}
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asmsub GETADRAY () clobbers(X) -> uword @ AY {
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; ---- fac1 to unsigned word in A/Y
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%asm {{
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@ -125,8 +146,8 @@ asmsub GETADRAY () clobbers(X) -> uword @ AY {
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asmsub FREADUY (ubyte value @Y) {
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; -- 8 bit unsigned Y -> float in fac1
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%asm {{
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lda #0
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jmp GIVAYF
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tya
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jmp FLOAT
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}}
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}
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@ -14,7 +14,7 @@ floats {
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const float TWOPI = 6.283185307179586
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; ---- ROM float functions ----
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; ---- ROM float functions (same as on C128 except base page) ----
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; note: the fac1 and fac2 are working registers and take 6 bytes each,
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; floats in memory (and rom) are stored in 5-byte MFLPT packed format.
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@ -29,68 +29,87 @@ romsub $fe00 = AYINT() clobbers(A,X,Y) ; fac1-> signed word in 100-101
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; (tip: use GIVAYFAY to use A/Y input; lo/hi switched to normal order)
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romsub $fe03 = GIVAYF(ubyte lo @ Y, ubyte hi @ A) clobbers(A,X,Y)
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romsub $fe06 = FOUT() clobbers(X) -> uword @ AY ; fac1 -> string, address returned in AY
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; romsub $fe09 = VAL_1() clobbers(A,X,Y) ; convert ASCII string to floating point [not yet implemented!!!]
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; fac1 -> unsigned word in Y/A (might throw ILLEGAL QUANTITY) (result also in $14/15)
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; (tip: use GETADRAY to get A/Y output; lo/hi switched to normal little endian order)
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romsub $fe06 = GETADR() clobbers(X) -> ubyte @ Y, ubyte @ A
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romsub $fe0c = GETADR() clobbers(X) -> ubyte @ Y, ubyte @ A
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romsub $fe0f = FLOATC() clobbers(A,X,Y) ; convert address to floating point
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romsub $fe09 = FADDH() clobbers(A,X,Y) ; fac1 += 0.5, for rounding- call this before INT
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romsub $fe0c = FSUB(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt from A/Y - fac1
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romsub $fe0f = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands
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romsub $fe12 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y
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romsub $fe15 = FADDT() clobbers(A,X,Y) ; fac1 += fac2
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romsub $fe1b = ZEROFC() clobbers(A,X,Y) ; fac1 = 0
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romsub $fe1e = NORMAL() clobbers(A,X,Y) ; normalize fac1 (?)
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romsub $fe24 = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
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romsub $fe27 = FMULT(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 *= mflpt value from A/Y
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romsub $fe2a = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2
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romsub $fe30 = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac2
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romsub $fe33 = MUL10() clobbers(A,X,Y) ; fac1 *= 10
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romsub $fe36 = DIV10() clobbers(A,X,Y) ; fac1 /= 10 , CAUTION: result is always positive!
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romsub $fe39 = FDIV(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt in A/Y / fac1 (remainder in fac2)
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romsub $fe3c = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands
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romsub $fe12 = FSUB(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt from A/Y - fac1
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romsub $fe15 = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands NOTE: use FSUBT2() instead!
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romsub $fe18 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y
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romsub $fe1b = FADDT() clobbers(A,X,Y) ; fac1 += fac2 NOTE: use FADDT2() instead!
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romsub $fe1e = FMULT(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 *= mflpt value from A/Y
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romsub $fe21 = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2 NOTE: use FMULTT2() instead!
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romsub $fe24 = FDIV(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt in A/Y / fac1 (remainder in fac2)
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romsub $fe27 = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands NOTE: use FDIVT2() instead!
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romsub $fe2a = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
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romsub $fe2d = INT() clobbers(A,X,Y) ; INT() truncates, use FADDH first to round instead of trunc
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romsub $fe30 = SQR() clobbers(A,X,Y) ; fac1 = SQRT(fac1)
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romsub $fe33 = NEGOP() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1)
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romsub $fe36 = FPWR(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = fac2 ** float in A/Y
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romsub $fe39 = FPWRT() clobbers(A,X,Y) ; fac1 = fac2 ** fac1 NOTE: use FPWRT2() instead!
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romsub $fe3c = EXP() clobbers(A,X,Y) ; fac1 = EXP(fac1) (e ** fac1)
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romsub $fe3f = COS() clobbers(A,X,Y) ; fac1 = COS(fac1)
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romsub $fe42 = SIN() clobbers(A,X,Y) ; fac1 = SIN(fac1)
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romsub $fe45 = TAN() clobbers(A,X,Y) ; fac1 = TAN(fac1)
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romsub $fe48 = ATN() clobbers(A,X,Y) ; fac1 = ATN(fac1)
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romsub $fe4b = ROUND() clobbers(A,X,Y) ; round fac1
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romsub $fe4e = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
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romsub $fe51 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
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romsub $fe54 = FCOMP(uword mflpt @ AY) clobbers(X,Y) -> ubyte @ A ; A = compare fac1 to mflpt in A/Y, 0=equal 1=fac1 is greater, 255=fac1 is less than
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romsub $fe57 = RND_0() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator NOTE: special cx16 setup required, use RND() stub instead!!
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romsub $fe5a = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac2
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romsub $fe5d = ROMUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in current bank in A/Y into fac2
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romsub $fe60 = MOVFRM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1 (use MOVFM instead)
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romsub $fe63 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
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romsub $fe66 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
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romsub $fe69 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
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romsub $fe6c = MOVAF() clobbers(A,X) ; copy fac1 to fac2 (rounded)
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romsub $fe42 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
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romsub $fe45 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
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romsub $fe48 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
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romsub $fe4b = MOVAF() clobbers(A,X) ; copy fac1 to fac2 (rounded)
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romsub $fe4e = MOVEF() clobbers(A,X) ; copy fac1 to fac2
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romsub $fe54 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
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romsub $fe57 = SGN() clobbers(A,X,Y) ; fac1 = SGN(fac1), result of SIGN (-1, 0 or 1)
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romsub $fe5a = FREADSA(byte value @ A) clobbers(A,X,Y) ; 8 bit signed A -> float in fac1
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romsub $fe66 = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
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romsub $fe69 = FCOMP(uword mflpt @ AY) clobbers(X,Y) -> ubyte @ A ; A = compare fac1 to mflpt in A/Y, 0=equal 1=fac1 is greater, 255=fac1 is less than
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romsub $fe72 = INT() clobbers(A,X,Y) ; INT() truncates, use FADDH first to round instead of trunc
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romsub $fe78 = FINLOG(byte value @A) clobbers (A, X, Y) ; fac1 += signed byte in A
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romsub $fe7b = FOUT() clobbers(X) -> uword @ AY ; fac1 -> string, address returned in AY
|
||||
romsub $fe81 = SQR() clobbers(A,X,Y) ; fac1 = SQRT(fac1)
|
||||
romsub $fe84 = FPWRT() clobbers(A,X,Y) ; fac1 = fac2 ** fac1
|
||||
romsub $fe8a = NEGOP() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1)
|
||||
romsub $fe8d = EXP() clobbers(A,X,Y) ; fac1 = EXP(fac1) (e ** fac1)
|
||||
romsub $fe96 = RND() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator
|
||||
romsub $fe99 = COS() clobbers(A,X,Y) ; fac1 = COS(fac1)
|
||||
romsub $fe9c = SIN() clobbers(A,X,Y) ; fac1 = SIN(fac1)
|
||||
romsub $fe9f = TAN() clobbers(A,X,Y) ; fac1 = TAN(fac1)
|
||||
romsub $fea2 = ATN() clobbers(A,X,Y) ; fac1 = ATN(fac1)
|
||||
; X16 additions
|
||||
romsub $fe6f = FADDH() clobbers(A,X,Y) ; fac1 += 0.5, for rounding- call this before INT
|
||||
romsub $fe72 = FADDT2() clobbers(A,X,Y) ; fac1 += fac2
|
||||
romsub $fe75 = ZEROFC() clobbers(A,X,Y) ; fac1 = 0
|
||||
romsub $fe78 = NORMAL() clobbers(A,X,Y) ; normalize fac1 (?)
|
||||
romsub $fe7b = NEGFAC() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1) (juse use NEGOP() instead!)
|
||||
romsub $fe7e = FMULTT2() clobbers(A,X,Y) ; fac1 *= fac2
|
||||
romsub $fe81 = MUL10() clobbers(A,X,Y) ; fac1 *= 10
|
||||
romsub $fe84 = DIV10() clobbers(A,X,Y) ; fac1 /= 10 , CAUTION: result is always positive!
|
||||
romsub $fe87 = FDIVT2() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands
|
||||
romsub $fe8a = MOVEF() clobbers(A,X) ; copy fac1 to fac2
|
||||
romsub $fe8d = SGN() clobbers(A,X,Y) ; fac1 = SGN(fac1), result of SIGN (-1, 0 or 1)
|
||||
romsub $fe90 = FLOAT() clobbers(A,X,Y) ; FAC = (u8).A
|
||||
romsub $fe93 = FLOATS() clobbers(A,X,Y) ; FAC = (s16)facho+1:facho
|
||||
romsub $fe9C = QINT() clobbers(A,X,Y) ; facho:facho+1:facho+2:facho+3 = u32(FAC)
|
||||
romsub $fe9f = FINLOG(byte value @A) clobbers (A, X, Y) ; fac1 += signed byte in A
|
||||
romsub $fea5 = FPWRT2() clobbers(A,X,Y) ; fac1 = fac2 ** fac1
|
||||
|
||||
asmsub FREADSA (byte value @A) clobbers(A,X,Y) {
|
||||
; ---- 8 bit signed A -> float in fac1
|
||||
%asm {{
|
||||
tay
|
||||
bpl +
|
||||
lda #$ff
|
||||
jmp GIVAYF
|
||||
+ lda #0
|
||||
jmp GIVAYF
|
||||
}}
|
||||
}
|
||||
|
||||
asmsub GIVUAYFAY (uword value @ AY) clobbers(A,X,Y) {
|
||||
; ---- unsigned 16 bit word in A/Y (lo/hi) to fac1
|
||||
%asm {{
|
||||
phx
|
||||
sta _tmp
|
||||
sty P8ZP_SCRATCH_B1
|
||||
tya
|
||||
ldy _tmp
|
||||
jsr GIVAYF ; load it as signed... correct afterwards
|
||||
lda P8ZP_SCRATCH_B1
|
||||
bpl +
|
||||
lda #<_flt65536
|
||||
ldy #>_flt65536
|
||||
jsr FADD
|
||||
+ plx
|
||||
rts
|
||||
_tmp .byte 0
|
||||
_flt65536 .byte 145,0,0,0,0 ; 65536.0
|
||||
phx
|
||||
sty $c4 ; facmo ($64 on c128)
|
||||
sta $c5 ; facmo+1 ($65 on c128)
|
||||
ldx #$90
|
||||
sec
|
||||
jsr FLOATC
|
||||
plx
|
||||
rts
|
||||
}}
|
||||
}
|
||||
|
||||
|
|
@ -130,11 +149,23 @@ asmsub GETADRAY () clobbers(X) -> uword @ AY {
|
|||
asmsub FREADUY (ubyte value @Y) {
|
||||
; -- 8 bit unsigned Y -> float in fac1
|
||||
%asm {{
|
||||
lda #0
|
||||
jmp GIVAYF
|
||||
tya
|
||||
jmp FLOAT
|
||||
}}
|
||||
}
|
||||
|
||||
|
||||
asmsub RND() clobbers(A,X,Y) {
|
||||
%asm {{
|
||||
lda #0
|
||||
php
|
||||
jsr cx16.entropy_get
|
||||
plp
|
||||
jmp RND_0
|
||||
}}
|
||||
}
|
||||
|
||||
|
||||
sub print_f (float value) {
|
||||
; ---- prints the floating point value (without a newline).
|
||||
%asm {{
|
||||
|
|
@ -165,8 +196,7 @@ sub pow(float value, float power) -> float {
|
|||
jsr floats.CONUPK
|
||||
lda #<power
|
||||
ldy #>power
|
||||
jsr floats.MOVFM
|
||||
jsr floats.FPWRT ; cx16 doesn't have FPWR
|
||||
jsr floats.FPWR
|
||||
ply
|
||||
plx
|
||||
rts
|
||||
|
|
|
|||
|
|
@ -3,9 +3,6 @@ TODO
|
|||
|
||||
For next release
|
||||
^^^^^^^^^^^^^^^^
|
||||
- adapt to new(?) addresses in cx16 math library https://github.com/commanderx16/x16-docs/blob/master/Commander%20X16%20Programmer's%20Reference%20Guide.md#math-library
|
||||
also fix calls to FPWRT etc as suggested there
|
||||
|
||||
...
|
||||
|
||||
|
||||
|
|
|
|||
102
examples/test.p8
102
examples/test.p8
|
|
@ -1,3 +1,4 @@
|
|||
%import floats
|
||||
%import textio
|
||||
|
||||
; NOTE: meant to test to virtual machine output target (use -target vitual)
|
||||
|
|
@ -6,51 +7,68 @@ main {
|
|||
sub start() {
|
||||
txt.clear_screen()
|
||||
txt.print("Welcome to a prog8 pixel shader :-)\n")
|
||||
ubyte bb = 4
|
||||
ubyte[] array = [1,2,3,4,5,6]
|
||||
uword[] warray = [1111,2222,3333]
|
||||
str tekst = "test"
|
||||
uword ww = 19
|
||||
bb = bb in "teststring"
|
||||
bb++
|
||||
bb = bb in [1,2,3,4,5,6]
|
||||
bb++
|
||||
bb = bb in array
|
||||
bb++
|
||||
bb = bb in tekst
|
||||
bb++
|
||||
bb = ww in warray
|
||||
bb++
|
||||
bb = 666 in warray
|
||||
bb ++
|
||||
bb = '?' in tekst
|
||||
bb++
|
||||
txt.print("bb=")
|
||||
txt.print_ub(bb)
|
||||
|
||||
float fl = 9.9
|
||||
fl = floats.pow(fl, 3.3)
|
||||
floats.print_f(fl)
|
||||
txt.nl()
|
||||
sys.exit(99)
|
||||
ubyte ww = 65
|
||||
fl = ww
|
||||
fl += 0.1
|
||||
floats.print_f(fl)
|
||||
txt.nl()
|
||||
uword ww2 = 65432
|
||||
fl = ww2
|
||||
fl += 0.1
|
||||
floats.print_f(fl)
|
||||
|
||||
|
||||
syscall1(8, 0) ; enable lo res creen
|
||||
ubyte shifter
|
||||
|
||||
shifter >>= 1
|
||||
|
||||
repeat {
|
||||
uword xx
|
||||
uword yy = 0
|
||||
repeat 240 {
|
||||
xx = 0
|
||||
repeat 320 {
|
||||
syscall3(10, xx, yy, xx*yy + shifter) ; plot pixel
|
||||
xx++
|
||||
}
|
||||
yy++
|
||||
}
|
||||
shifter+=4
|
||||
|
||||
txt.print_ub(shifter)
|
||||
txt.nl()
|
||||
}
|
||||
; ubyte bb = 4
|
||||
; ubyte[] array = [1,2,3,4,5,6]
|
||||
; uword[] warray = [1111,2222,3333]
|
||||
; str tekst = "test"
|
||||
; uword ww = 19
|
||||
; bb = bb in "teststring"
|
||||
; bb++
|
||||
; bb = bb in [1,2,3,4,5,6]
|
||||
; bb++
|
||||
; bb = bb in array
|
||||
; bb++
|
||||
; bb = bb in tekst
|
||||
; bb++
|
||||
; bb = ww in warray
|
||||
; bb++
|
||||
; bb = 666 in warray
|
||||
; bb ++
|
||||
; bb = '?' in tekst
|
||||
; bb++
|
||||
; txt.print("bb=")
|
||||
; txt.print_ub(bb)
|
||||
; txt.nl()
|
||||
; sys.exit(99)
|
||||
;
|
||||
;
|
||||
; syscall1(8, 0) ; enable lo res creen
|
||||
; ubyte shifter
|
||||
;
|
||||
; shifter >>= 1
|
||||
;
|
||||
; repeat {
|
||||
; uword xx
|
||||
; uword yy = 0
|
||||
; repeat 240 {
|
||||
; xx = 0
|
||||
; repeat 320 {
|
||||
; syscall3(10, xx, yy, xx*yy + shifter) ; plot pixel
|
||||
; xx++
|
||||
; }
|
||||
; yy++
|
||||
; }
|
||||
; shifter+=4
|
||||
;
|
||||
; txt.print_ub(shifter)
|
||||
; txt.nl()
|
||||
; }
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user