cx16 target: update float routine addresses to new r39 kernal FP package

This commit is contained in:
Irmen de Jong 2022-03-27 19:34:49 +02:00
parent 5494f309c0
commit 4e33ab1e89
4 changed files with 211 additions and 145 deletions

View File

@ -25,46 +25,64 @@ romsub $af00 = AYINT() clobbers(A,X,Y) ; fac1-> signed word in 102-103
; there is also floats.GIVUAYFAY - unsigned word in A/Y (lo/hi) to fac1
; (tip: use GIVAYFAY to use A/Y input; lo/hi switched to normal order)
romsub $af03 = GIVAYF(ubyte lo @ Y, ubyte hi @ A) clobbers(A,X,Y)
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
; fac1 -> unsigned word in Y/A (might throw ILLEGAL QUANTITY) (result also in $16/17)
romsub $af06 = FOUT() clobbers(X) -> uword @ AY ; fac1 -> string, address returned in AY
; romsub $af09 = VAL_1() clobbers(A,X,Y) ; convert ASCII string to floating point [not yet implemented!!!]
; fac1 -> unsigned word in Y/A (might throw ILLEGAL QUANTITY) (result also in $14/15)
; (tip: use GETADRAY to get A/Y output; lo/hi switched to normal little endian order)
romsub $af0c = GETADR() clobbers(X) -> ubyte @ Y, ubyte @ A
romsub $af0f = FLOATC() clobbers(A,X,Y) ; convert address to floating point
romsub $af12 = FSUB(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt from A/Y - fac1
romsub $af15 = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands
romsub $af18 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y in bank 1
romsub $af1b = FADDT() clobbers(A,X,Y) ; fac1 += fac2
romsub $af2a = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
romsub $af15 = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands NOTE: use FSUBT2() instead!
romsub $af18 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y
romsub $af1b = FADDT() clobbers(A,X,Y) ; fac1 += fac2 NOTE: use FADDT2() instead!
romsub $af1e = FMULT(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 *= mflpt value from A/Y
romsub $af21 = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2
romsub $af5a = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory bank 1 in A/Y into fac2
romsub $af5d = ROMUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in current bank in A/Y into fac2
romsub $af21 = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2 NOTE: use FMULTT2() instead!
romsub $af24 = FDIV(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt in A/Y / fac1 (remainder in fac2)
romsub $af27 = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands
romsub $af63 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
romsub $af60 = MOVFRM() clobbers(A,X,Y) ; load mflpt value from memory in $24/$25 into fac2
romsub $af66 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
romsub $af69 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
romsub $af6c = MOVAF() clobbers(A,X) ; copy fac1 to fac2
romsub $af6c = MOVEF() clobbers(A,X) ; copy fac1 to fac2
romsub $af51 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
romsub $af4e = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
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
romsub $af27 = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands NOTE: use FDIVT2() instead!
romsub $af2a = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
romsub $af2d = INT() clobbers(A,X,Y) ; INT() truncates, use FADDH first to round instead of trunc
romsub $af06 = FOUT() clobbers(X) -> uword @ AY ; fac1 -> string, address returned in AY ($0100)
romsub $af30 = SQR() clobbers(A,X,Y) ; fac1 = SQRT(fac1)
romsub $af36 = FPWR(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = fac2 ** mflpt from A/Y
romsub $af39 = FPWRT() clobbers(A,X,Y) ; fac1 = fac2 ** fac1
romsub $af33 = NEGOP() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1)
romsub $af36 = FPWR(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = fac2 ** float in A/Y
romsub $af39 = FPWRT() clobbers(A,X,Y) ; fac1 = fac2 ** fac1 NOTE: use FPWRT2() instead!
romsub $af3c = EXP() clobbers(A,X,Y) ; fac1 = EXP(fac1) (e ** fac1)
romsub $af57 = RND() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator
romsub $af3f = COS() clobbers(A,X,Y) ; fac1 = COS(fac1)
romsub $af42 = SIN() clobbers(A,X,Y) ; fac1 = SIN(fac1)
romsub $af45 = TAN() clobbers(A,X,Y) ; fac1 = TAN(fac1)
romsub $af48 = ATN() clobbers(A,X,Y) ; fac1 = ATN(fac1)
romsub $af4b = ROUND() clobbers(A,X,Y) ; round fac1
romsub $af4e = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
romsub $af51 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
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
romsub $af57 = RND_0() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator NOTE: special cx16 setup required, use RND() stub instead!!
romsub $af5a = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac2
romsub $af5d = ROMUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in current bank in A/Y into fac2
romsub $af60 = MOVFRM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1 (use MOVFM instead)
romsub $af63 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
romsub $af66 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
romsub $af69 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
romsub $af6c = MOVAF() clobbers(A,X) ; copy fac1 to fac2 (rounded)
; X16 additions
romsub $af6f = FADDH() clobbers(A,X,Y) ; fac1 += 0.5, for rounding- call this before INT
romsub $af72 = FADDT2() clobbers(A,X,Y) ; fac1 += fac2
romsub $af75 = ZEROFC() clobbers(A,X,Y) ; fac1 = 0
romsub $af78 = NORMAL() clobbers(A,X,Y) ; normalize fac1 (?)
romsub $af7b = NEGFAC() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1) (juse use NEGOP() instead!)
romsub $af7e = FMULTT2() clobbers(A,X,Y) ; fac1 *= fac2
romsub $af81 = MUL10() clobbers(A,X,Y) ; fac1 *= 10
romsub $af84 = DIV10() clobbers(A,X,Y) ; fac1 /= 10 , CAUTION: result is always positive!
romsub $af87 = FDIVT2() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands
romsub $af8a = MOVEF() clobbers(A,X) ; copy fac1 to fac2
romsub $af8d = SGN() clobbers(A,X,Y) ; fac1 = SGN(fac1), result of SIGN (-1, 0 or 1)
romsub $af90 = FLOAT() clobbers(A,X,Y) ; FAC = (u8).A
romsub $af93 = FLOATS() clobbers(A,X,Y) ; FAC = (s16)facho+1:facho
romsub $af9C = QINT() clobbers(A,X,Y) ; facho:facho+1:facho+2:facho+3 = u32(FAC)
romsub $af9f = FINLOG(byte value @A) clobbers (A, X, Y) ; fac1 += signed byte in A
romsub $afa5 = FPWRT2() clobbers(A,X,Y) ; fac1 = fac2 ** fac1
asmsub FREADSA (byte value @A) clobbers(A,X,Y) {
; ---- 8 bit signed A -> float in fac1
@ -81,22 +99,14 @@ asmsub FREADSA (byte value @A) clobbers(A,X,Y) {
asmsub GIVUAYFAY (uword value @ AY) clobbers(A,X,Y) {
; ---- unsigned 16 bit word in A/Y (lo/hi) to fac1
%asm {{
stx P8ZP_SCRATCH_REG
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 ROMUPK
jsr FADDT
+ ldx P8ZP_SCRATCH_REG
phx
sty $64 ; facmo
sta $65 ; facmo+1
ldx #$90
sec
jsr FLOATC
plx
rts
_tmp .byte 0
_flt65536 .byte 145,0,0,0,0 ; 65536.0
}}
}
@ -111,6 +121,17 @@ asmsub GIVAYFAY (uword value @ AY) clobbers(A,X,Y) {
}}
}
asmsub FTOSWRDAY () clobbers(X) -> uword @ AY {
; ---- fac1 to signed word in A/Y
%asm {{
jsr FTOSWORDYA ; note the inverse Y/A order
sta P8ZP_SCRATCH_B1
tya
ldy P8ZP_SCRATCH_B1
rts
}}
}
asmsub GETADRAY () clobbers(X) -> uword @ AY {
; ---- fac1 to unsigned word in A/Y
%asm {{
@ -125,8 +146,8 @@ 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
}}
}

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@ -14,7 +14,7 @@ floats {
const float TWOPI = 6.283185307179586
; ---- ROM float functions ----
; ---- ROM float functions (same as on C128 except base page) ----
; note: the fac1 and fac2 are working registers and take 6 bytes each,
; floats in memory (and rom) are stored in 5-byte MFLPT packed format.
@ -29,68 +29,87 @@ romsub $fe00 = AYINT() clobbers(A,X,Y) ; fac1-> signed word in 100-101
; (tip: use GIVAYFAY to use A/Y input; lo/hi switched to normal order)
romsub $fe03 = GIVAYF(ubyte lo @ Y, ubyte hi @ A) clobbers(A,X,Y)
romsub $fe06 = FOUT() clobbers(X) -> uword @ AY ; fac1 -> string, address returned in AY
; romsub $fe09 = VAL_1() clobbers(A,X,Y) ; convert ASCII string to floating point [not yet implemented!!!]
; fac1 -> unsigned word in Y/A (might throw ILLEGAL QUANTITY) (result also in $14/15)
; (tip: use GETADRAY to get A/Y output; lo/hi switched to normal little endian order)
romsub $fe06 = GETADR() clobbers(X) -> ubyte @ Y, ubyte @ A
romsub $fe0c = GETADR() clobbers(X) -> ubyte @ Y, ubyte @ A
romsub $fe0f = FLOATC() clobbers(A,X,Y) ; convert address to floating point
romsub $fe09 = FADDH() clobbers(A,X,Y) ; fac1 += 0.5, for rounding- call this before INT
romsub $fe0c = FSUB(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt from A/Y - fac1
romsub $fe0f = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands
romsub $fe12 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y
romsub $fe15 = FADDT() clobbers(A,X,Y) ; fac1 += fac2
romsub $fe1b = ZEROFC() clobbers(A,X,Y) ; fac1 = 0
romsub $fe1e = NORMAL() clobbers(A,X,Y) ; normalize fac1 (?)
romsub $fe24 = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
romsub $fe27 = FMULT(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 *= mflpt value from A/Y
romsub $fe2a = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2
romsub $fe30 = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac2
romsub $fe33 = MUL10() clobbers(A,X,Y) ; fac1 *= 10
romsub $fe36 = DIV10() clobbers(A,X,Y) ; fac1 /= 10 , CAUTION: result is always positive!
romsub $fe39 = FDIV(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt in A/Y / fac1 (remainder in fac2)
romsub $fe3c = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands
romsub $fe12 = FSUB(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt from A/Y - fac1
romsub $fe15 = FSUBT() clobbers(A,X,Y) ; fac1 = fac2-fac1 mind the order of the operands NOTE: use FSUBT2() instead!
romsub $fe18 = FADD(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 += mflpt value from A/Y
romsub $fe1b = FADDT() clobbers(A,X,Y) ; fac1 += fac2 NOTE: use FADDT2() instead!
romsub $fe1e = FMULT(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 *= mflpt value from A/Y
romsub $fe21 = FMULTT() clobbers(A,X,Y) ; fac1 *= fac2 NOTE: use FMULTT2() instead!
romsub $fe24 = FDIV(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = mflpt in A/Y / fac1 (remainder in fac2)
romsub $fe27 = FDIVT() clobbers(A,X,Y) ; fac1 = fac2/fac1 (remainder in fac2) mind the order of the operands NOTE: use FDIVT2() instead!
romsub $fe2a = LOG() clobbers(A,X,Y) ; fac1 = LN(fac1) (natural log)
romsub $fe2d = INT() clobbers(A,X,Y) ; INT() truncates, use FADDH first to round instead of trunc
romsub $fe30 = SQR() clobbers(A,X,Y) ; fac1 = SQRT(fac1)
romsub $fe33 = NEGOP() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1)
romsub $fe36 = FPWR(uword mflpt @ AY) clobbers(A,X,Y) ; fac1 = fac2 ** float in A/Y
romsub $fe39 = FPWRT() clobbers(A,X,Y) ; fac1 = fac2 ** fac1 NOTE: use FPWRT2() instead!
romsub $fe3c = EXP() clobbers(A,X,Y) ; fac1 = EXP(fac1) (e ** fac1)
romsub $fe3f = COS() clobbers(A,X,Y) ; fac1 = COS(fac1)
romsub $fe42 = SIN() clobbers(A,X,Y) ; fac1 = SIN(fac1)
romsub $fe45 = TAN() clobbers(A,X,Y) ; fac1 = TAN(fac1)
romsub $fe48 = ATN() clobbers(A,X,Y) ; fac1 = ATN(fac1)
romsub $fe4b = ROUND() clobbers(A,X,Y) ; round fac1
romsub $fe4e = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
romsub $fe51 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
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
romsub $fe57 = RND_0() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator NOTE: special cx16 setup required, use RND() stub instead!!
romsub $fe5a = CONUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac2
romsub $fe5d = ROMUPK(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in current bank in A/Y into fac2
romsub $fe60 = MOVFRM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1 (use MOVFM instead)
romsub $fe63 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
romsub $fe66 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
romsub $fe69 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
romsub $fe6c = MOVAF() clobbers(A,X) ; copy fac1 to fac2 (rounded)
romsub $fe42 = MOVFM(uword mflpt @ AY) clobbers(A,X,Y) ; load mflpt value from memory in A/Y into fac1
romsub $fe45 = MOVMF(uword mflpt @ XY) clobbers(A,X,Y) ; store fac1 to memory X/Y as 5-byte mflpt
romsub $fe48 = MOVFA() clobbers(A,X) ; copy fac2 to fac1
romsub $fe4b = MOVAF() clobbers(A,X) ; copy fac1 to fac2 (rounded)
romsub $fe4e = MOVEF() clobbers(A,X) ; copy fac1 to fac2
romsub $fe54 = SIGN() clobbers(X,Y) -> ubyte @ A ; SIGN(fac1) to A, $ff, $0, $1 for negative, zero, positive
romsub $fe57 = SGN() clobbers(A,X,Y) ; fac1 = SGN(fac1), result of SIGN (-1, 0 or 1)
romsub $fe5a = FREADSA(byte value @ A) clobbers(A,X,Y) ; 8 bit signed A -> float in fac1
romsub $fe66 = ABS() clobbers(A,X,Y) ; fac1 = ABS(fac1)
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
romsub $fe72 = INT() clobbers(A,X,Y) ; INT() truncates, use FADDH first to round instead of trunc
romsub $fe78 = FINLOG(byte value @A) clobbers (A, X, Y) ; fac1 += signed byte in A
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
sty $c4 ; facmo ($64 on c128)
sta $c5 ; facmo+1 ($65 on c128)
ldx #$90
sec
jsr FLOATC
plx
rts
_tmp .byte 0
_flt65536 .byte 145,0,0,0,0 ; 65536.0
}}
}
@ -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

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@ -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
...

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@ -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)
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)
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)
; 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()
; }
}
}