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added preliminary CommanderX16 machine target support. Fixed nullpointer when importing a missing file.

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This commit is contained in:
Irmen de Jong 2020-08-26 01:56:26 +02:00
parent 256781bba5
commit b939562062
14 changed files with 891 additions and 63 deletions
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6
compiler/res/prog8lib/c64utils.p8
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@ -11,10 +11,6 @@
c64utils {
const uword ESTACK_LO = $ce00
const uword ESTACK_HI = $cf00
; ----- number conversions to decimal strings
asmsub ubyte2decimal (ubyte value @ A) -> ubyte @ Y, ubyte @ A, ubyte @ X {
@ -859,7 +855,7 @@ asmsub print_uwbin (uword value @ AY, ubyte prefix @ Pc) clobbers(A,Y) {
}}
}
asmsub print_uwhex (uword value @ AY, ubyte prefix @ Pc) clobbers(A,Y) {
asmsub print_uwhex (uword value @ AY, ubyte prefix @ Pc) clobbers(A,Y) {
; ---- print the uword in A/Y in hexadecimal form (4 digits)
; (if Carry is set, a radix prefix '$' is printed as well)
%asm {{

79
compiler/res/prog8lib/cx16lib.p8 Normal file
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@ -0,0 +1,79 @@
; Prog8 definitions for the CommanderX16
; Including memory registers, I/O registers, Basic and Kernal subroutines.
;
; Written by Irmen de Jong (irmen@razorvine.net) - license: GNU GPL 3.0
;
; indent format: TABS, size=8
cx16 {
; ---- C64 kernal routines ----
romsub $FF81 = CINT() clobbers(A,X,Y) ; (alias: SCINIT) initialize screen editor and video chip
romsub $FF84 = IOINIT() clobbers(A, X) ; initialize I/O devices (CIA, SID, IRQ)
romsub $FF87 = RAMTAS() clobbers(A,X,Y) ; initialize RAM, tape buffer, screen
romsub $FF8A = RESTOR() clobbers(A,X,Y) ; restore default I/O vectors
romsub $FF8D = VECTOR(uword userptr @ XY, ubyte dir @ Pc) clobbers(A,Y) ; read/set I/O vector table
romsub $FF90 = SETMSG(ubyte value @ A) ; set Kernal message control flag
romsub $FF93 = SECOND(ubyte address @ A) clobbers(A) ; (alias: LSTNSA) send secondary address after LISTEN
romsub $FF96 = TKSA(ubyte address @ A) clobbers(A) ; (alias: TALKSA) send secondary address after TALK
romsub $FF99 = MEMTOP(uword address @ XY, ubyte dir @ Pc) -> uword @ XY ; read/set top of memory pointer
romsub $FF9C = MEMBOT(uword address @ XY, ubyte dir @ Pc) -> uword @ XY ; read/set bottom of memory pointer
romsub $FF9F = SCNKEY() clobbers(A,X,Y) ; scan the keyboard
romsub $FFA2 = SETTMO(ubyte timeout @ A) ; set time-out flag for IEEE bus
romsub $FFA5 = ACPTR() -> ubyte @ A ; (alias: IECIN) input byte from serial bus
romsub $FFA8 = CIOUT(ubyte databyte @ A) ; (alias: IECOUT) output byte to serial bus
romsub $FFAB = UNTLK() clobbers(A) ; command serial bus device to UNTALK
romsub $FFAE = UNLSN() clobbers(A) ; command serial bus device to UNLISTEN
romsub $FFB1 = LISTEN(ubyte device @ A) clobbers(A) ; command serial bus device to LISTEN
romsub $FFB4 = TALK(ubyte device @ A) clobbers(A) ; command serial bus device to TALK
romsub $FFB7 = READST() -> ubyte @ A ; read I/O status word
romsub $FFBA = SETLFS(ubyte logical @ A, ubyte device @ X, ubyte address @ Y) ; set logical file parameters
romsub $FFBD = SETNAM(ubyte namelen @ A, str filename @ XY) ; set filename parameters
romsub $FFC0 = OPEN() clobbers(A,X,Y) ; (via 794 ($31A)) open a logical file
romsub $FFC3 = CLOSE(ubyte logical @ A) clobbers(A,X,Y) ; (via 796 ($31C)) close a logical file
romsub $FFC6 = CHKIN(ubyte logical @ X) clobbers(A,X) ; (via 798 ($31E)) define an input channel
romsub $FFC9 = CHKOUT(ubyte logical @ X) clobbers(A,X) ; (via 800 ($320)) define an output channel
romsub $FFCC = CLRCHN() clobbers(A,X) ; (via 802 ($322)) restore default devices
romsub $FFCF = CHRIN() clobbers(Y) -> ubyte @ A ; (via 804 ($324)) input a character (for keyboard, read a whole line from the screen) A=byte read.
romsub $FFD2 = CHROUT(ubyte char @ A) ; (via 806 ($326)) output a character
romsub $FFD5 = LOAD(ubyte verify @ A, uword address @ XY) -> ubyte @Pc, ubyte @ A, ubyte @ X, ubyte @ Y ; (via 816 ($330)) load from device
romsub $FFD8 = SAVE(ubyte zp_startaddr @ A, uword endaddr @ XY) -> ubyte @ Pc, ubyte @ A ; (via 818 ($332)) save to a device
romsub $FFDB = SETTIM(ubyte low @ A, ubyte middle @ X, ubyte high @ Y) ; set the software clock
romsub $FFDE = RDTIM() -> ubyte @ A, ubyte @ X, ubyte @ Y ; read the software clock
romsub $FFE1 = STOP() clobbers(A,X) -> ubyte @ Pz, ubyte @ Pc ; (via 808 ($328)) check the STOP key
romsub $FFE4 = GETIN() clobbers(X,Y) -> ubyte @ A ; (via 810 ($32A)) get a character
romsub $FFE7 = CLALL() clobbers(A,X) ; (via 812 ($32C)) close all files
romsub $FFEA = UDTIM() clobbers(A,X) ; update the software clock
romsub $FFED = SCREEN() -> ubyte @ X, ubyte @ Y ; read number of screen rows and columns
romsub $FFF0 = PLOT(ubyte col @ Y, ubyte row @ X, ubyte dir @ Pc) -> ubyte @ X, ubyte @ Y ; read/set position of cursor on screen. Use c64scr.plot for a 'safe' wrapper that preserves X.
romsub $FFF3 = IOBASE() -> uword @ XY ; read base address of I/O devices
; ---- end of kernal routines ----
asmsub init_system() {
; Initializes the machine to a sane starting state.
; Called automatically by the loader program logic.
%asm {{
sei
cld
;lda #%00101111
;sta $00
;lda #%00100111
;sta $01
jsr cx16.IOINIT
jsr cx16.RESTOR
jsr cx16.CINT
lda #0
tax
tay
clc
clv
cli
rts
}}
}
}

604
compiler/res/prog8lib/cx16utils.p8 Normal file
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@ -0,0 +1,604 @@
; Prog8 definitions for the CommanderX16
; These are the utility subroutines.
;
; Written by Irmen de Jong (irmen@razorvine.net) - license: GNU GPL 3.0
;
; indent format: TABS, size=8
%import cx16lib
cx16utils {
; ----- number conversions to decimal strings
asmsub ubyte2decimal (ubyte value @ A) -> ubyte @ Y, ubyte @ A, ubyte @ X {
; ---- A to decimal string in Y/A/X (100s in Y, 10s in A, 1s in X)
%asm {{
ldy #uword2decimal.ASCII_0_OFFSET
bne uword2decimal.hex_try200
rts
}}
}
asmsub uword2decimal (uword value @ AY) -> ubyte @Y, ubyte @A, ubyte @X {
; ---- convert 16 bit uword in A/Y to decimal
; output in uword2decimal.decTenThousands, decThousands, decHundreds, decTens, decOnes
; (these are terminated by a zero byte so they can be easily printed)
; also returns Y = 100's, A = 10's, X = 1's
%asm {{
;Convert 16 bit Hex to Decimal (0-65535) Rev 2
;By Omegamatrix Further optimizations by tepples
; routine from http://forums.nesdev.com/viewtopic.php?f=2&t=11341&start=15
;HexToDec99
; start in A
; end with A = 10's, decOnes (also in X)
;HexToDec255
; start in A
; end with Y = 100's, A = 10's, decOnes (also in X)
;HexToDec999
; start with A = high byte, Y = low byte
; end with Y = 100's, A = 10's, decOnes (also in X)
; requires 1 extra temp register on top of decOnes, could combine
; these two if HexToDec65535 was eliminated...
;HexToDec65535
; start with A/Y (low/high) as 16 bit value
; end with decTenThousand, decThousand, Y = 100's, A = 10's, decOnes (also in X)
; (irmen: I store Y and A in decHundreds and decTens too, so all of it can be easily printed)
ASCII_0_OFFSET = $30
temp = P8ZP_SCRATCH_B1 ; byte in zeropage
hexHigh = P8ZP_SCRATCH_W1 ; byte in zeropage
hexLow = P8ZP_SCRATCH_W1+1 ; byte in zeropage
HexToDec65535; SUBROUTINE
sty hexHigh ;3 @9
sta hexLow ;3 @12
tya
tax ;2 @14
lsr a ;2 @16
lsr a ;2 @18 integer divide 1024 (result 0-63)
cpx #$A7 ;2 @20 account for overflow of multiplying 24 from 43,000 ($A7F8) onward,
adc #1 ;2 @22 we can just round it to $A700, and the divide by 1024 is fine...
;at this point we have a number 1-65 that we have to times by 24,
;add to original sum, and Mod 1024 to get a remainder 0-999
sta temp ;3 @25
asl a ;2 @27
adc temp ;3 @30 x3
tay ;2 @32
lsr a ;2 @34
lsr a ;2 @36
lsr a ;2 @38
lsr a ;2 @40
lsr a ;2 @42
tax ;2 @44
tya ;2 @46
asl a ;2 @48
asl a ;2 @50
asl a ;2 @52
clc ;2 @54
adc hexLow ;3 @57
sta hexLow ;3 @60
txa ;2 @62
adc hexHigh ;3 @65
sta hexHigh ;3 @68
ror a ;2 @70
lsr a ;2 @72
tay ;2 @74 integer divide 1,000 (result 0-65)
lsr a ;2 @76 split the 1,000 and 10,000 digit
tax ;2 @78
lda ShiftedBcdTab,x ;4 @82
tax ;2 @84
rol a ;2 @86
and #$0F ;2 @88
ora #ASCII_0_OFFSET
sta decThousands ;3 @91
txa ;2 @93
lsr a ;2 @95
lsr a ;2 @97
lsr a ;2 @99
ora #ASCII_0_OFFSET
sta decTenThousands ;3 @102
lda hexLow ;3 @105
cpy temp ;3 @108
bmi _doSubtract ;2³ @110/111
beq _useZero ;2³ @112/113
adc #23 + 24 ;2 @114
_doSubtract
sbc #23 ;2 @116
sta hexLow ;3 @119
_useZero
lda hexHigh ;3 @122
sbc #0 ;2 @124
Start100s
and #$03 ;2 @126
tax ;2 @128 0,1,2,3
cmp #2 ;2 @130
rol a ;2 @132 0,2,5,7
ora #ASCII_0_OFFSET
tay ;2 @134 Y = Hundreds digit
lda hexLow ;3 @137
adc Mod100Tab,x ;4 @141 adding remainder of 256, 512, and 256+512 (all mod 100)
bcs hex_doSub200 ;2³ @143/144
hex_try200
cmp #200 ;2 @145
bcc hex_try100 ;2³ @147/148
hex_doSub200
iny ;2 @149
iny ;2 @151
sbc #200 ;2 @153
hex_try100
cmp #100 ;2 @155
bcc HexToDec99 ;2³ @157/158
iny ;2 @159
sbc #100 ;2 @161
HexToDec99; SUBROUTINE
lsr a ;2 @163
tax ;2 @165
lda ShiftedBcdTab,x ;4 @169
tax ;2 @171
rol a ;2 @173
and #$0F ;2 @175
ora #ASCII_0_OFFSET
sta decOnes ;3 @178
txa ;2 @180
lsr a ;2 @182
lsr a ;2 @184
lsr a ;2 @186
ora #ASCII_0_OFFSET
; irmen: load X with ones, and store Y and A too, for easy printing afterwards
sty decHundreds
sta decTens
ldx decOnes
rts ;6 @192 Y=hundreds, A = tens digit, X=ones digit
HexToDec999; SUBROUTINE
sty hexLow ;3 @9
jmp Start100s ;3 @12
Mod100Tab
.byte 0,56,12,56+12
ShiftedBcdTab
.byte $00,$01,$02,$03,$04,$08,$09,$0A,$0B,$0C
.byte $10,$11,$12,$13,$14,$18,$19,$1A,$1B,$1C
.byte $20,$21,$22,$23,$24,$28,$29,$2A,$2B,$2C
.byte $30,$31,$32,$33,$34,$38,$39,$3A,$3B,$3C
.byte $40,$41,$42,$43,$44,$48,$49,$4A,$4B,$4C
decTenThousands .byte 0
decThousands .byte 0
decHundreds .byte 0
decTens .byte 0
decOnes .byte 0
.byte 0 ; zero-terminate the decimal output string
}}
}
; ----- utility functions ----
asmsub byte2decimal (byte value @ A) -> ubyte @ Y, ubyte @ A, ubyte @ X {
; ---- A (signed byte) to decimal string in Y/A/X (100s in Y, 10s in A, 1s in X)
; note: if the number is negative, you have to deal with the '-' yourself!
%asm {{
cmp #0
bpl +
eor #255
clc
adc #1
+ jmp ubyte2decimal
}}
}
asmsub ubyte2hex (ubyte value @ A) -> ubyte @ A, ubyte @ Y {
; ---- A to hex petscii string in AY (first hex char in A, second hex char in Y)
%asm {{
stx P8ZP_SCRATCH_REG_X
pha
and #$0f
tax
ldy _hex_digits,x
pla
lsr a
lsr a
lsr a
lsr a
tax
lda _hex_digits,x
ldx P8ZP_SCRATCH_REG_X
rts
_hex_digits .text "0123456789abcdef" ; can probably be reused for other stuff as well
}}
}
asmsub uword2hex (uword value @ AY) clobbers(A,Y) {
; ---- convert 16 bit uword in A/Y into 4-character hexadecimal string 'uword2hex.output' (0-terminated)
%asm {{
sta P8ZP_SCRATCH_REG
tya
jsr ubyte2hex
sta output
sty output+1
lda P8ZP_SCRATCH_REG
jsr ubyte2hex
sta output+2
sty output+3
rts
output .text "0000", $00 ; 0-terminated output buffer (to make printing easier)
}}
}
asmsub str2uword(str string @ AY) -> uword @ AY {
; -- returns the unsigned word value of the string number argument in AY
; the number may NOT be preceded by a + sign and may NOT contain spaces
; (any non-digit character will terminate the number string that is parsed)
%asm {{
_result = P8ZP_SCRATCH_W2
sta _mod+1
sty _mod+2
ldy #0
sty _result
sty _result+1
_mod lda $ffff,y ; modified
sec
sbc #48
bpl +
_done ; return result
lda _result
ldy _result+1
rts
+ cmp #10
bcs _done
; add digit to result
pha
jsr _result_times_10
pla
clc
adc _result
sta _result
bcc +
inc _result+1
+ iny
bne _mod
; never reached
_result_times_10 ; (W*4 + W)*2
lda _result+1
sta P8ZP_SCRATCH_REG
lda _result
asl a
rol P8ZP_SCRATCH_REG
asl a
rol P8ZP_SCRATCH_REG
clc
adc _result
sta _result
lda P8ZP_SCRATCH_REG
adc _result+1
asl _result
rol a
sta _result+1
rts
}}
}
asmsub str2word(str string @ AY) -> word @ AY {
; -- returns the signed word value of the string number argument in AY
; the number may be preceded by a + or - sign but may NOT contain spaces
; (any non-digit character will terminate the number string that is parsed)
%asm {{
_result = P8ZP_SCRATCH_W2
sta P8ZP_SCRATCH_W1
sty P8ZP_SCRATCH_W1+1
ldy #0
sty _result
sty _result+1
sty _negative
lda (P8ZP_SCRATCH_W1),y
cmp #'+'
bne +
iny
+ cmp #'-'
bne _parse
inc _negative
iny
_parse lda (P8ZP_SCRATCH_W1),y
sec
sbc #48
bpl _digit
_done ; return result
lda _negative
beq +
sec
lda #0
sbc _result
sta _result
lda #0
sbc _result+1
sta _result+1
+ lda _result
ldy _result+1
rts
_digit cmp #10
bcs _done
; add digit to result
pha
jsr str2uword._result_times_10
pla
clc
adc _result
sta _result
bcc +
inc _result+1
+ iny
bne _parse
; never reached
_negative .byte 0
}}
}
} ; ------ end of block cx16utils
screen {
; ---- this block contains (character) Screen and text I/O related functions ----
asmsub clear_screen (ubyte char @ A, ubyte color @ Y) clobbers(A) {
; ---- clear the character screen with the given fill character and character color.
; (assumes screen and color matrix are at their default addresses)
%asm {{
brk ; TODO
}}
}
asmsub print (str text @ AY) clobbers(A,Y) {
; ---- print null terminated string from A/Y
; note: the compiler contains an optimization that will replace
; a call to this subroutine with a string argument of just one char,
; by just one call to cx16.CHROUT of that single char.
%asm {{
sta P8ZP_SCRATCH_B1
sty P8ZP_SCRATCH_REG
ldy #0
- lda (P8ZP_SCRATCH_B1),y
beq +
jsr cx16.CHROUT
iny
bne -
+ rts
}}
}
asmsub print_ub0 (ubyte value @ A) clobbers(A,Y) {
; ---- print the ubyte in A in decimal form, with left padding 0s (3 positions total)
%asm {{
stx P8ZP_SCRATCH_REG_X
jsr cx16utils.ubyte2decimal
pha
tya
jsr cx16.CHROUT
pla
jsr cx16.CHROUT
txa
jsr cx16.CHROUT
ldx P8ZP_SCRATCH_REG_X
rts
}}
}
asmsub print_ub (ubyte value @ A) clobbers(A,Y) {
; ---- print the ubyte in A in decimal form, without left padding 0s
%asm {{
stx P8ZP_SCRATCH_REG_X
jsr cx16utils.ubyte2decimal
_print_byte_digits
pha
cpy #'0'
beq +
tya
jsr cx16.CHROUT
pla
jsr cx16.CHROUT
jmp _ones
+ pla
cmp #'0'
beq _ones
jsr cx16.CHROUT
_ones txa
jsr cx16.CHROUT
ldx P8ZP_SCRATCH_REG_X
rts
}}
}
asmsub print_b (byte value @ A) clobbers(A,Y) {
; ---- print the byte in A in decimal form, without left padding 0s
%asm {{
stx P8ZP_SCRATCH_REG_X
pha
cmp #0
bpl +
lda #'-'
jsr cx16.CHROUT
+ pla
jsr cx16utils.byte2decimal
jsr print_ub._print_byte_digits
ldx P8ZP_SCRATCH_REG_X
rts
}}
}
asmsub print_ubhex (ubyte value @ A, ubyte prefix @ Pc) clobbers(A,Y) {
; ---- print the ubyte in A in hex form (if Carry is set, a radix prefix '$' is printed as well)
%asm {{
stx P8ZP_SCRATCH_REG_X
bcc +
pha
lda #'$'
jsr cx16.CHROUT
pla
+ jsr cx16utils.ubyte2hex
jsr cx16.CHROUT
tya
jsr cx16.CHROUT
ldx P8ZP_SCRATCH_REG_X
rts
}}
}
asmsub print_ubbin (ubyte value @ A, ubyte prefix @ Pc) clobbers(A,Y) {
; ---- print the ubyte in A in binary form (if Carry is set, a radix prefix '%' is printed as well)
%asm {{
stx P8ZP_SCRATCH_REG_X
sta P8ZP_SCRATCH_B1
bcc +
lda #'%'
jsr cx16.CHROUT
+ ldy #8
- lda #'0'
asl P8ZP_SCRATCH_B1
bcc +
lda #'1'
+ jsr cx16.CHROUT
dey
bne -
ldx P8ZP_SCRATCH_REG_X
rts
}}
}
asmsub print_uwbin (uword value @ AY, ubyte prefix @ Pc) clobbers(A,Y) {
; ---- print the uword in A/Y in binary form (if Carry is set, a radix prefix '%' is printed as well)
%asm {{
pha
tya
jsr print_ubbin
pla
clc
jmp print_ubbin
}}
}
asmsub print_uwhex (uword value @ AY, ubyte prefix @ Pc) clobbers(A,Y) {
; ---- print the uword in A/Y in hexadecimal form (4 digits)
; (if Carry is set, a radix prefix '$' is printed as well)
%asm {{
pha
tya
jsr print_ubhex
pla
clc
jmp print_ubhex
}}
}
asmsub print_uw0 (uword value @ AY) clobbers(A,Y) {
; ---- print the uword in A/Y in decimal form, with left padding 0s (5 positions total)
%asm {{
stx P8ZP_SCRATCH_REG_X
jsr cx16utils.uword2decimal
ldy #0
- lda cx16utils.uword2decimal.decTenThousands,y
beq +
jsr cx16.CHROUT
iny
bne -
+ ldx P8ZP_SCRATCH_REG_X
rts
}}
}
asmsub print_uw (uword value @ AY) clobbers(A,Y) {
; ---- print the uword in A/Y in decimal form, without left padding 0s
%asm {{
stx P8ZP_SCRATCH_REG_X
jsr cx16utils.uword2decimal
ldx P8ZP_SCRATCH_REG_X
ldy #0
- lda cx16utils.uword2decimal.decTenThousands,y
beq _allzero
cmp #'0'
bne _gotdigit
iny
bne -
_gotdigit
jsr cx16.CHROUT
iny
lda cx16utils.uword2decimal.decTenThousands,y
bne _gotdigit
rts
_allzero
lda #'0'
jmp cx16.CHROUT
}}
}
asmsub print_w (word value @ AY) clobbers(A,Y) {
; ---- print the (signed) word in A/Y in decimal form, without left padding 0's
%asm {{
cpy #0
bpl +
pha
lda #'-'
jsr cx16.CHROUT
tya
eor #255
tay
pla
eor #255
clc
adc #1
bcc +
iny
+ jmp print_uw
}}
}
asmsub plot (ubyte col @ Y, ubyte row @ A) clobbers(A) {
; ---- safe wrapper around PLOT kernel routine, to save the X register.
%asm {{
stx P8ZP_SCRATCH_REG_X
tax
clc
jsr cx16.PLOT
ldx P8ZP_SCRATCH_REG_X
rts
}}
}
} ; ---- end block screen

2
compiler/res/prog8lib/math.p8
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@ -4,8 +4,6 @@
;
; indent format: TABS, size=8
%import c64lib
math {
%asminclude "library:math.asm", ""
}

2
compiler/res/prog8lib/prog8lib.p8
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@ -4,8 +4,6 @@
;
; indent format: TABS, size=8
%import c64lib
prog8_lib {
%asminclude "library:prog8lib.asm", ""
}

33
compiler/src/prog8/CompilerMain.kt
View File

@ -8,6 +8,7 @@ import prog8.compiler.target.CompilationTarget
import prog8.compiler.target.c64.C64MachineDefinition
import prog8.compiler.target.c64.Petscii
import prog8.compiler.target.c64.codegen.AsmGen
import prog8.compiler.target.cx16.CX16MachineDefinition
import prog8.parser.ParsingFailedError
import java.io.IOException
import java.nio.file.FileSystems
@ -52,7 +53,7 @@ private fun compileMain(args: Array<String>) {
when(compilationTarget) {
"c64" -> {
with(CompilationTarget) {
name = "c64"
name = "Commodore-64"
machine = C64MachineDefinition
encodeString = { str, altEncoding ->
if(altEncoding) Petscii.encodeScreencode(str, true) else Petscii.encodePetscii(str, true)
@ -63,8 +64,21 @@ private fun compileMain(args: Array<String>) {
asmGenerator = ::AsmGen
}
}
"cx16" -> {
with(CompilationTarget) {
name = "Commander X16"
machine = CX16MachineDefinition
encodeString = { str, altEncoding ->
if(altEncoding) Petscii.encodeScreencode(str, true) else Petscii.encodePetscii(str, true)
}
decodeString = { bytes, altEncoding ->
if(altEncoding) Petscii.decodeScreencode(bytes, true) else Petscii.decodePetscii(bytes, true)
}
asmGenerator = ::AsmGen
}
}
else -> {
System.err.println("invalid compilation target")
System.err.println("invalid compilation target. Available are: c64, cx16")
exitProcess(1)
}
}
@ -121,20 +135,7 @@ private fun compileMain(args: Array<String>) {
if (compilationResult.programName.isEmpty())
println("\nCan't start emulator because no program was assembled.")
else if(startEmulator) {
for(emulator in listOf("x64sc", "x64")) {
println("\nStarting C-64 emulator $emulator...")
val cmdline = listOf(emulator, "-silent", "-moncommands", "${compilationResult.programName}.vice-mon-list",
"-autostartprgmode", "1", "-autostart-warp", "-autostart", compilationResult.programName + ".prg")
val processb = ProcessBuilder(cmdline).inheritIO()
val process: Process
try {
process=processb.start()
} catch(x: IOException) {
continue // try the next emulator executable
}
process.waitFor()
break
}
CompilationTarget.machine.launchEmulator(compilationResult.programName)
}
}
}

7
compiler/src/prog8/compiler/Main.kt
View File

@ -90,11 +90,8 @@ private fun parseImports(filepath: Path, errors: ErrorReporter): Triple<Program,
if (compilerOptions.launcher == LauncherType.BASIC && compilerOptions.output != OutputType.PRG)
throw ParsingFailedError("${programAst.modules.first().position} BASIC launcher requires output type PRG.")
// if we're producing a PRG or BASIC program, include the c64utils and c64lib libraries
if (compilerOptions.launcher == LauncherType.BASIC || compilerOptions.output == OutputType.PRG) {
importer.importLibraryModule(programAst, "c64lib")
importer.importLibraryModule(programAst, "c64utils")
}
// depending on the mach9ine and compiler options we may have to include some libraries
CompilationTarget.machine.importLibs(compilerOptions, importer, programAst)
// always import prog8lib and math
importer.importLibraryModule(programAst, "math")

9
compiler/src/prog8/compiler/target/IMachineDefinition.kt
View File

@ -1,15 +1,17 @@
package prog8.compiler.target
import prog8.ast.Program
import prog8.compiler.CompilationOptions
import prog8.compiler.Zeropage
import prog8.parser.ModuleImporter
interface IMachineFloat {
internal interface IMachineFloat {
fun toDouble(): Double
fun makeFloatFillAsm(): String
}
interface IMachineDefinition {
internal interface IMachineDefinition {
val FLOAT_MAX_NEGATIVE: Double
val FLOAT_MAX_POSITIVE: Double
val FLOAT_MEM_SIZE: Int
@ -22,8 +24,11 @@ interface IMachineDefinition {
val opcodeNames: Set<String>
var zeropage: Zeropage
val initSystemProcname: String
val cpu: String
fun initializeZeropage(compilerOptions: CompilationOptions)
fun getFloat(num: Number): IMachineFloat
fun getFloatRomConst(number: Double): String?
fun importLibs(compilerOptions: CompilationOptions, importer: ModuleImporter, program: Program)
fun launchEmulator(programName: String)
}

2
compiler/src/prog8/compiler/target/c64/AssemblyProgram.kt
View File

@ -22,7 +22,7 @@ class AssemblyProgram(override val name: String, outputDir: Path) : IAssemblyPro
val outFile = when (options.output) {
OutputType.PRG -> {
command.add("--cbm-prg")
println("\nCreating C-64 prg.")
println("\nCreating prg.")
prgFile
}
OutputType.RAW -> {

45
compiler/src/prog8/compiler/target/c64/C64MachineDefinition.kt
View File

@ -1,17 +1,19 @@
package prog8.compiler.target.c64
import prog8.compiler.CompilationOptions
import prog8.compiler.CompilerException
import prog8.compiler.Zeropage
import prog8.compiler.ZeropageType
import prog8.ast.Program
import prog8.compiler.*
import prog8.compiler.target.IMachineDefinition
import prog8.compiler.target.IMachineFloat
import prog8.parser.ModuleImporter
import java.io.IOException
import java.math.RoundingMode
import kotlin.math.absoluteValue
import kotlin.math.pow
internal object C64MachineDefinition: IMachineDefinition {
override val cpu = "6502"
// 5-byte cbm MFLPT format limitations:
override val FLOAT_MAX_POSITIVE = 1.7014118345e+38 // bytes: 255,127,255,255,255
override val FLOAT_MAX_NEGATIVE = -1.7014118345e+38 // bytes: 255,255,255,255,255
@ -64,6 +66,31 @@ internal object C64MachineDefinition: IMachineDefinition {
return null
}
override fun importLibs(compilerOptions: CompilationOptions, importer: ModuleImporter, program: Program) {
// if we're producing a PRG or BASIC program, include the c64utils and c64lib libraries
if (compilerOptions.launcher == LauncherType.BASIC || compilerOptions.output == OutputType.PRG) {
importer.importLibraryModule(program, "c64lib")
importer.importLibraryModule(program, "c64utils")
}
}
override fun launchEmulator(programName: String) {
for(emulator in listOf("x64sc", "x64")) {
println("\nStarting C-64 emulator $emulator...")
val cmdline = listOf(emulator, "-silent", "-moncommands", "$programName.vice-mon-list",
"-autostartprgmode", "1", "-autostart-warp", "-autostart", programName + ".prg")
val processb = ProcessBuilder(cmdline).inheritIO()
val process: Process
try {
process=processb.start()
} catch(x: IOException) {
continue // try the next emulator executable
}
process.waitFor()
break
}
}
override fun initializeZeropage(compilerOptions: CompilationOptions) {
zeropage = C64Zeropage(compilerOptions)
}
@ -143,11 +170,11 @@ internal object C64MachineDefinition: IMachineDefinition {
free.clear()
}
}
assert(SCRATCH_B1 !in free)
assert(SCRATCH_REG !in free)
assert(SCRATCH_REG_X !in free)
assert(SCRATCH_W1 !in free)
assert(SCRATCH_W2 !in free)
require(SCRATCH_B1 !in free)
require(SCRATCH_REG !in free)
require(SCRATCH_REG_X !in free)
require(SCRATCH_W1 !in free)
require(SCRATCH_W2 !in free)
for (reserved in options.zpReserved)
reserve(reserved)

6
compiler/src/prog8/compiler/target/c64/codegen/AsmGen.kt
View File

@ -78,11 +78,13 @@ internal class AsmGen(private val program: Program,
private fun header() {
val ourName = this.javaClass.name
out("; 6502 assembly code for '${program.name}'")
val cpu = CompilationTarget.machine.cpu
out("; $cpu assembly code for '${program.name}'")
out("; generated by $ourName on ${LocalDateTime.now().withNano(0)}")
out("; assembler syntax is for the 64tasm cross-assembler")
out("; output options: output=${options.output} launcher=${options.launcher} zp=${options.zeropage}")
out("\n.cpu '6502'\n.enc 'none'\n")
out("\n.cpu '$cpu'\n.enc 'none'\n")
program.actualLoadAddress = program.definedLoadAddress
if (program.actualLoadAddress == 0) // fix load address

125
compiler/src/prog8/compiler/target/cx16/CX16MachineDefinition.kt Normal file
View File

@ -0,0 +1,125 @@
package prog8.compiler.target.cx16
import prog8.ast.Program
import prog8.compiler.*
import prog8.compiler.target.IMachineDefinition
import prog8.compiler.target.c64.C64MachineDefinition
import prog8.parser.ModuleImporter
import java.io.IOException
internal object CX16MachineDefinition: IMachineDefinition {
override val cpu = "65c02"
// 5-byte cbm MFLPT format limitations:
override val FLOAT_MAX_POSITIVE = 1.7014118345e+38 // bytes: 255,127,255,255,255
override val FLOAT_MAX_NEGATIVE = -1.7014118345e+38 // bytes: 255,255,255,255,255
override val FLOAT_MEM_SIZE = 5
override val POINTER_MEM_SIZE = 2
override val BASIC_LOAD_ADDRESS = 0x0801
override val RAW_LOAD_ADDRESS = 0x8000
// the 2*256 byte evaluation stack (on which bytes, words, and even floats are stored during calculations)
// and some heavily used string constants derived from the two values above
override val ESTACK_LO = 0x0400 // $0400-$04ff inclusive
override val ESTACK_HI = 0x0500 // $0500-$05ff inclusive
override lateinit var zeropage: Zeropage
override val initSystemProcname = "cx16.init_system"
override fun getFloat(num: Number) = C64MachineDefinition.Mflpt5.fromNumber(num)
override fun getFloatRomConst(number: Double): String? = null // TODO Does Cx16 have ROM float locations?
override fun importLibs(compilerOptions: CompilationOptions, importer: ModuleImporter, program: Program) {
// if we're producing a PRG or BASIC program, include the cx16utils and cx16lib libraries
if (compilerOptions.launcher == LauncherType.BASIC || compilerOptions.output == OutputType.PRG) {
importer.importLibraryModule(program, "cx16lib")
importer.importLibraryModule(program, "cx16utils")
}
}
override fun launchEmulator(programName: String) {
for(emulator in listOf("x16emu")) {
println("\nStarting Commander X16 emulator $emulator...")
val cmdline = listOf(emulator, "-rom", "/usr/share/x16-rom/rom.bin", "-scale", "2",
"-run", "-prg", programName + ".prg")
val processb = ProcessBuilder(cmdline).inheritIO()
val process: Process
try {
process=processb.start()
} catch(x: IOException) {
continue // try the next emulator executable
}
process.waitFor()
break
}
}
override fun initializeZeropage(compilerOptions: CompilationOptions) {
zeropage = CX16Zeropage(compilerOptions)
}
// 6502 opcodes (including aliases and illegal opcodes), these cannot be used as variable or label names
// TODO add 65C02 opcodes
override val opcodeNames = setOf("adc", "ahx", "alr", "anc", "and", "ane", "arr", "asl", "asr", "axs", "bcc", "bcs",
"beq", "bge", "bit", "blt", "bmi", "bne", "bpl", "brk", "bvc", "bvs", "clc",
"cld", "cli", "clv", "cmp", "cpx", "cpy", "dcm", "dcp", "dec", "dex", "dey",
"eor", "gcc", "gcs", "geq", "gge", "glt", "gmi", "gne", "gpl", "gvc", "gvs",
"inc", "ins", "inx", "iny", "isb", "isc", "jam", "jmp", "jsr", "lae", "las",
"lax", "lda", "lds", "ldx", "ldy", "lsr", "lxa", "nop", "ora", "pha", "php",
"pla", "plp", "rla", "rol", "ror", "rra", "rti", "rts", "sax", "sbc", "sbx",
"sec", "sed", "sei", "sha", "shl", "shr", "shs", "shx", "shy", "slo", "sre",
"sta", "stx", "sty", "tas", "tax", "tay", "tsx", "txa", "txs", "tya", "xaa")
internal class CX16Zeropage(options: CompilationOptions) : Zeropage(options) {
override val SCRATCH_B1 = 0x79 // temp storage for a single byte
override val SCRATCH_REG = 0x7a // temp storage for a register
override val SCRATCH_REG_X = 0x7b // temp storage for register X (the evaluation stack pointer)
override val SCRATCH_W1 = 0x7c // temp storage 1 for a word $7c+$7d
override val SCRATCH_W2 = 0x7e // temp storage 2 for a word $7e+$7f
override val exitProgramStrategy: ExitProgramStrategy = when (options.zeropage) {
ZeropageType.BASICSAFE, ZeropageType.DONTUSE -> ExitProgramStrategy.CLEAN_EXIT
ZeropageType.KERNALSAFE, ZeropageType.FULL -> ExitProgramStrategy.SYSTEM_RESET
else -> ExitProgramStrategy.SYSTEM_RESET
}
init {
if (options.floats && options.zeropage !in setOf(ZeropageType.BASICSAFE, ZeropageType.DONTUSE ))
throw CompilerException("when floats are enabled, zero page type should be 'basicsafe' or 'dontuse'")
when (options.zeropage) {
ZeropageType.FULL -> {
free.addAll(0x02..0xff)
free.removeAll(listOf(SCRATCH_B1, SCRATCH_REG, SCRATCH_REG_X, SCRATCH_W1, SCRATCH_W1 + 1, SCRATCH_W2, SCRATCH_W2 + 1))
}
ZeropageType.KERNALSAFE -> {
free.addAll(0x02..0x7f)
free.addAll(0xa9..0xff)
free.removeAll(listOf(SCRATCH_B1, SCRATCH_REG, SCRATCH_REG_X, SCRATCH_W1, SCRATCH_W1 + 1, SCRATCH_W2, SCRATCH_W2 + 1))
}
ZeropageType.BASICSAFE -> {
free.addAll(0x02..0x7f)
free.removeAll(listOf(SCRATCH_B1, SCRATCH_REG, SCRATCH_REG_X, SCRATCH_W1, SCRATCH_W1 + 1, SCRATCH_W2, SCRATCH_W2 + 1))
}
ZeropageType.DONTUSE -> {
free.clear() // don't use zeropage at all
}
else -> throw CompilerException("for this machine target, zero page type 'floatsafe' is not available. ${options.zeropage}")
}
require(SCRATCH_B1 !in free)
require(SCRATCH_REG !in free)
require(SCRATCH_REG_X !in free)
require(SCRATCH_W1 !in free)
require(SCRATCH_W2 !in free)
for (reserved in options.zpReserved)
reserve(reserved)
}
}
}

9
compiler/src/prog8/parser/ModuleParsing.kt
View File

@ -94,7 +94,7 @@ internal class ModuleImporter {
private fun discoverImportedModuleFile(name: String, source: Path, position: Position?): Path {
val fileName = "$name.p8"
val locations = mutableListOf(source.parent)
val locations = if(source.toString().isEmpty()) mutableListOf<Path>() else mutableListOf(source.parent)
val propPath = System.getProperty("prog8.libdir")
if(propPath!=null)
@ -109,7 +109,7 @@ internal class ModuleImporter {
if (Files.isReadable(file)) return file
}
throw ParsingFailedError("$position Import: no module source file '$fileName' found (I've looked in: $locations)")
throw ParsingFailedError("$position Import: no module source file '$fileName' found (I've looked in: embedded libs and $locations)")
}
private fun executeImportDirective(program: Program, import: Directive, source: Path): Module? {
@ -128,10 +128,7 @@ internal class ModuleImporter {
if(resource!=null) {
// load the module from the embedded resource
resource.use {
if(import.args[0].int==42)
println("importing '$moduleName' (library, auto)")
else
println("importing '$moduleName' (library)")
println("importing '$moduleName' (library)")
importModule(program, CharStreams.fromStream(it), Paths.get("@embedded@/$moduleName"), true)
}
} else {

25
examples/test.p8
View File

@ -1,4 +1,3 @@
%import c64utils
%zeropage basicsafe
main {
@ -8,25 +7,25 @@ main {
uword xx = $ef34
xx &= $00f0
c64scr.print_uwhex(xx, 1)
c64.CHROUT('\n')
screen.print_uwhex(xx, 1)
cx16.CHROUT('\n')
xx |= $000f
c64scr.print_uwhex(xx, 1)
c64.CHROUT('\n')
screen.print_uwhex(xx, 1)
cx16.CHROUT('\n')
xx ^= $0011
c64scr.print_uwhex(xx, 1)
c64.CHROUT('\n')
screen.print_uwhex(xx, 1)
cx16.CHROUT('\n')
xx = $ef34
xx &= $f000
c64scr.print_uwhex(xx, 1)
c64.CHROUT('\n')
screen.print_uwhex(xx, 1)
cx16.CHROUT('\n')
xx |= $0f00
c64scr.print_uwhex(xx, 1)
c64.CHROUT('\n')
screen.print_uwhex(xx, 1)
cx16.CHROUT('\n')
xx ^= $1100
c64scr.print_uwhex(xx, 1)
c64.CHROUT('\n')
screen.print_uwhex(xx, 1)
cx16.CHROUT('\n')
}
}