mirror of
https://github.com/Michaelangel007/apple2_printm.git
synced 2025-03-08 01:30:48 +00:00
Ver 11
This commit is contained in:
Michaelangel007
parent
20a9a76da6
commit
91c7925ab4
367
printm.s
367
printm.s
@ -1,4 +1,4 @@
|
||||
; Version 10
|
||||
; Version 11
|
||||
|
||||
; ca65
|
||||
.feature c_comments
|
||||
@ -15,6 +15,16 @@
|
||||
.endrep
|
||||
.endmacro
|
||||
|
||||
; Force APPLE 'text' with high bit on but last character has high bit off
|
||||
; Will display as NORMAL characters (last character will appear FLASHING)
|
||||
; Merlin: Macro Assembler -- Dextral Character Inverted
|
||||
.macro DCI text
|
||||
.repeat .strlen(text)-1, I
|
||||
.byte .strat(text, I) | $80
|
||||
.endrep
|
||||
.byte .strat(text, .strlen(text)-1) & $7F
|
||||
.endmacro
|
||||
|
||||
; Force ASCII 'text' to be control chars: $00..$1F
|
||||
; Will display as INVERSE characters
|
||||
.macro CTRL text
|
||||
@ -31,6 +41,11 @@
|
||||
.endrep
|
||||
.endmacro
|
||||
|
||||
.macro PASCAL text
|
||||
.byte .strlen(text)
|
||||
APPLE text
|
||||
.endmacro
|
||||
|
||||
.macro db val
|
||||
.byte val
|
||||
.endmacro
|
||||
@ -43,45 +58,118 @@
|
||||
.res bytes
|
||||
.endmacro
|
||||
|
||||
__MAIN = $4000
|
||||
HOME = $FC58
|
||||
TABV = $FB5B
|
||||
|
||||
; printm pointer for PrintPtr2, PrintPtr4, PrintStrA, PrintStrC, PrintStrP
|
||||
_temp = $FE
|
||||
|
||||
__MAIN = $4000
|
||||
; DOS3.3 meta -- remove these 2 if running under ProDOS
|
||||
.word __MAIN ; 2 byte BLOAD address
|
||||
.word __END - __MAIN ; 2 byte BLOAD size
|
||||
|
||||
/*
|
||||
|
||||
Output:
|
||||
|
||||
X=39 Y=191 $=2345:D5 11010101~10101011
|
||||
|
||||
Byte=-128 -001 000 001 127
|
||||
|
||||
Strings: 'HELLO','WORLD'
|
||||
|
||||
Apple: 'HOME' Pascal: 'String Len 13'
|
||||
|
||||
*/
|
||||
|
||||
.org __MAIN ; .org must come after header else offsets are wrong
|
||||
|
||||
HOME = $FC58
|
||||
temp = $FE
|
||||
|
||||
; Demo printm
|
||||
JSR HOME
|
||||
|
||||
LDA #$D5
|
||||
STA $2345
|
||||
STA DATA + $0C
|
||||
JSR ReverseByte
|
||||
STA DATA + $0E
|
||||
|
||||
LDX #$45
|
||||
LDY #$23
|
||||
STX DATA+6
|
||||
STY DATA+7
|
||||
STX DATA+8
|
||||
STY DATA+9
|
||||
|
||||
STX _HgrAddr+1
|
||||
STY _HgrAddr+2
|
||||
_HgrAddr
|
||||
STA $C0DE
|
||||
|
||||
STA DATA+10
|
||||
JSR ReverseByte
|
||||
STA DATA+12
|
||||
|
||||
LDY #0
|
||||
JSR VTABY
|
||||
LDX #<DATA ; Low Byte of Address
|
||||
LDY #>DATA ; High Byte of Address
|
||||
JSR PrintM
|
||||
|
||||
LDY #2
|
||||
JSR VTABY
|
||||
LDX #<DATA2
|
||||
LDY #>DATA2
|
||||
JSR PrintM
|
||||
|
||||
RTS
|
||||
LDY #4
|
||||
JSR VTABY
|
||||
LDX #<DATA3
|
||||
LDY #>DATA3
|
||||
JSR PrintM
|
||||
|
||||
LDY #6
|
||||
JSR VTABY
|
||||
LDX #<DATA4
|
||||
LDY #>DATA4
|
||||
JSR PrintM
|
||||
|
||||
LDA #8
|
||||
JMP TABV
|
||||
|
||||
ReverseByte
|
||||
LDX #8
|
||||
STA temp
|
||||
STA $FF ; temp working byte
|
||||
ReverseBit
|
||||
ASL temp
|
||||
ASL $FF ; temp working byte
|
||||
ROR
|
||||
DEX
|
||||
BNE ReverseBit
|
||||
RTS
|
||||
|
||||
VTABY
|
||||
LDA SCREEN_LO,Y
|
||||
STA PutChar+1
|
||||
LDA SCREEN_HI,Y
|
||||
ORA #$04 ; TXT page 1
|
||||
STA PutChar+2
|
||||
RTS
|
||||
|
||||
; Y Lookup Table for 40x24 Text Screen
|
||||
SCREEN_LO
|
||||
.byte $00, $80, $00, $80
|
||||
.byte $00, $80, $00, $80
|
||||
|
||||
.byte $28, $A8, $28, $A8
|
||||
.byte $28, $A8, $28, $A8
|
||||
|
||||
.byte $50, $D0, $50, $D0
|
||||
.byte $50, $D0, $50, $D0
|
||||
SCREEN_HI
|
||||
.byte $00, $00, $01, $01
|
||||
.byte $02, $02, $03, $03
|
||||
|
||||
.byte $00, $00, $01, $01
|
||||
.byte $02, $02, $03, $03
|
||||
|
||||
.byte $00, $00, $01, $01
|
||||
.byte $02, $02, $03, $03
|
||||
|
||||
TEXT
|
||||
;byte "X=## Y=ddd $=xxxx:@@ %%%%%%%%~????????"
|
||||
APPLE "X="
|
||||
@ -99,14 +187,13 @@ TEXT
|
||||
.byte 0
|
||||
|
||||
DATA
|
||||
dw $0400 ; aArg[-1] Screen Dst
|
||||
dw TEXT ; aArg[ 0] text
|
||||
dw 39 ; aArg[ 1] x
|
||||
dw 191 ; aArg[ 2] y
|
||||
dw $2345 ; aArg[ 3] addr
|
||||
dw $2345 ; aArg[ 4] byte
|
||||
dw $DA1A ; aArg[ 5] bits
|
||||
dw $DA1A ; aArg[ 6] bits
|
||||
dw $C0DE ; aArg[ 3] addr ScreenAddr
|
||||
dw $C0DE ; aArg[ 4] byte ScreenAddr pointer
|
||||
dw $DA1A ; aArg[ 5] bits ScreenByte
|
||||
dw $DA1A ; aArg[ 6] bits ScreenByte reversed
|
||||
|
||||
TEXT2
|
||||
;byte "Byte=b b b b Str=s,s"
|
||||
@ -118,39 +205,66 @@ TEXT2
|
||||
.byte "b"
|
||||
APPLE " "
|
||||
.byte "b"
|
||||
APPLE " Str="
|
||||
.byte "s"
|
||||
APPLE ","
|
||||
.byte "s"
|
||||
APPLE " "
|
||||
.byte "b"
|
||||
db 0
|
||||
|
||||
TEXT_HELLO
|
||||
APPLE "HELLO "
|
||||
APPLE "HELLO"
|
||||
db 0
|
||||
|
||||
TEXT_WORLD
|
||||
APPLE "HELLO "
|
||||
APPLE "WORLD"
|
||||
db 0
|
||||
|
||||
|
||||
DATA2
|
||||
dw $0500 ; Screen Dst
|
||||
dw TEXT2
|
||||
dw $80 ; -128
|
||||
dw $FF ; -1
|
||||
dw $00 ; 0
|
||||
dw $01 ; +1
|
||||
dw $7F ; +127
|
||||
|
||||
TEXT3
|
||||
APPLE "Strings: '"
|
||||
.byte "s"
|
||||
APPLE "','"
|
||||
.byte "s"
|
||||
APPLE "'"
|
||||
db 0
|
||||
|
||||
DATA3
|
||||
dw TEXT3
|
||||
dw TEXT_HELLO
|
||||
dw TEXT_WORLD
|
||||
|
||||
TEXT_DCI
|
||||
DCI "HOME"
|
||||
|
||||
TEXT_PASCAL
|
||||
PASCAL "String Len 13"
|
||||
|
||||
TEXT4
|
||||
APPLE "Apple: '"
|
||||
.byte "a"
|
||||
APPLE "' Pascal: '"
|
||||
.byte "p"
|
||||
APPLE "'"
|
||||
db 0
|
||||
|
||||
DATA4
|
||||
dw TEXT4
|
||||
dw TEXT_DCI
|
||||
dw TEXT_PASCAL
|
||||
|
||||
; Pad until end of page so PrintM starts on new page
|
||||
ds 256 - <*
|
||||
|
||||
|
||||
|
||||
/*
|
||||
|
||||
Problem:
|
||||
We want to print this ...
|
||||
|
||||
|
||||
.byte "X=## Y=### $=####:@@ %%%%%%%%~????????"
|
||||
|
||||
... without having to waste marking up literals with an escape character
|
||||
@ -164,7 +278,6 @@ printf() on the 6502
|
||||
- 2 digit, 3 digit and 5 digit decimals requiring wasting a "width" character
|
||||
e.g. %2d, %3d, %5d
|
||||
|
||||
|
||||
Solution:
|
||||
|
||||
Here is a micro replacement, printm()
|
||||
@ -175,8 +288,8 @@ Here is a micro replacement, printm()
|
||||
x Hex 2 Byte
|
||||
$ Hex 4 Byte
|
||||
|
||||
@ Ptr 2 Byte
|
||||
& Ptr 4 Byte
|
||||
@ Ptr 2 Byte at pointer
|
||||
& Ptr 4 Byte at pointer
|
||||
|
||||
# Dec 1 Byte (max 2 digits)
|
||||
d Dec 2 Byte (max 3 digits)
|
||||
@ -185,14 +298,23 @@ Here is a micro replacement, printm()
|
||||
% Bin 1 Byte normal one's and zeros
|
||||
? Bin 1 Byte inverse one's, normal zeroes
|
||||
|
||||
s Str - Zero terminated
|
||||
p Str - Pascall
|
||||
a Str - APPLE text (high bit set), last char is ASCII
|
||||
s Str - C string, zero terminated
|
||||
p Str - Pascal string, first character is string length
|
||||
|
||||
Note: The dummy address $C0DE is to force the assembler
|
||||
to generate a 16-bit address instead of optimizing a ZP operand
|
||||
|
||||
To toggle features on / off
|
||||
*/
|
||||
|
||||
ENABLE_BIN = 1
|
||||
ENABLE_DEC = 1
|
||||
ENABLE_BYTE = 1
|
||||
ENABLE_HEX = 1
|
||||
ENABLE_PTR = 1
|
||||
ENABLE_STR = 1
|
||||
|
||||
|
||||
; Self-Modifying variable aliases
|
||||
|
||||
@ -210,9 +332,6 @@ PrintM
|
||||
STY _pArg+1
|
||||
STZ _iArg
|
||||
|
||||
JSR NxtArgYX
|
||||
STX _pScreen+0 ; lo
|
||||
STY _pScreen+1 ; hi
|
||||
NextArg
|
||||
JSR NxtArgYX
|
||||
STX _pFormat+0 ; lo
|
||||
@ -233,9 +352,10 @@ _PrintHex
|
||||
|
||||
; Print 16-bit Y,X in hex
|
||||
; Uses _nHexWidth to limit output width
|
||||
_PrintHexYX
|
||||
STX _val+0
|
||||
STY _val+1
|
||||
PrintHexYX
|
||||
STX _val+0 ; may be tempting to move this to NxtArgYX
|
||||
STY _val+1 ; as XYtoVal but others call us
|
||||
|
||||
LDX #0
|
||||
_HexDigit
|
||||
LDA _val+0
|
||||
@ -285,16 +405,17 @@ PrintPtr2
|
||||
LDA #2
|
||||
_PrintPtr
|
||||
STA _nHexWidth
|
||||
JSR NxtArgYX
|
||||
JSR NxtArgToTemp
|
||||
|
||||
; JSR NxtArgYX
|
||||
; 13 bytes - zero page version
|
||||
STX temp+0 ; zero-page for (ZP),Y
|
||||
STY temp+1
|
||||
; STX _temp+0 ; zero-page for (ZP),Y
|
||||
; STY _temp+1
|
||||
LDY #$0
|
||||
LDA (temp),Y
|
||||
LDA (_temp),Y
|
||||
TAX
|
||||
INY
|
||||
LDA (temp),Y
|
||||
LDA (_temp),Y
|
||||
TAY
|
||||
|
||||
; 20 bytes - self modifying code version if zero-page not available
|
||||
@ -311,7 +432,7 @@ _PrintPtr
|
||||
;_JumpPrintHexXY
|
||||
; TAY
|
||||
|
||||
BRA _PrintHexYX ; always
|
||||
BRA PrintHexYX ; needs XYtoVal setup
|
||||
|
||||
; ======================================================================
|
||||
Print
|
||||
@ -360,8 +481,8 @@ _PrintDec
|
||||
JSR NxtArgYX
|
||||
|
||||
PrintDecYX
|
||||
STX _val+0
|
||||
STY _val+1
|
||||
STX _val+0 ; may be tempting to move this to NxtArgYX
|
||||
STY _val+1 ; as XYtoVal but others call us
|
||||
|
||||
STZ _bcd+0
|
||||
STZ _bcd+1
|
||||
@ -418,6 +539,8 @@ DecWidth
|
||||
JMP PrintReverseBCD
|
||||
|
||||
|
||||
.if ENABLE_BIN
|
||||
|
||||
; % Bin 1 Byte normal one's and zeros
|
||||
; ? Bin 1 Byte inverse one's, normal zeroes
|
||||
; ======================================================================
|
||||
@ -448,12 +571,12 @@ _FlipBit
|
||||
_JumpNextFormat
|
||||
; BRA NextFormat ; always
|
||||
JMP NextFormat ; JMP :-(
|
||||
.endif ; ENABLE_BIN
|
||||
|
||||
|
||||
; b Print a signed byte in decimal
|
||||
; ======================================================================
|
||||
PrintByte
|
||||
; JMP PrintHex4 ; DEBUG
|
||||
|
||||
JSR NxtArgYX ; X = low byte
|
||||
TXA
|
||||
BPL PrintBytePos
|
||||
@ -470,51 +593,65 @@ PrintBytePos
|
||||
LDY #00 ; 00XX
|
||||
LDA #3 ; 3 digits max
|
||||
STA _nDecWidth
|
||||
JMP PrintDecYX
|
||||
JMP PrintDecYX ; needs XYtoVal setup
|
||||
|
||||
.if ENABLE_STR
|
||||
|
||||
; a String (APPLE text, last byte ASCII)
|
||||
; See: DCI
|
||||
; ======================================================================
|
||||
PrintStrA
|
||||
JSR NxtArgToTemp
|
||||
|
||||
LDY #$0
|
||||
_PrintStrA
|
||||
LDA (_temp),Y
|
||||
BPL @_LastChar
|
||||
JSR PutChar
|
||||
INY
|
||||
BNE _PrintStrA
|
||||
INC _temp+1
|
||||
BRA _PrintStrA
|
||||
@_LastChar
|
||||
LDX #1
|
||||
ORA #$80
|
||||
BRA _PrintCharA
|
||||
|
||||
; s String (C,ASCIIZ)
|
||||
; ======================================================================
|
||||
PrintStrC
|
||||
JSR NxtArgToTemp
|
||||
|
||||
LDY #$0
|
||||
@_NextByte
|
||||
LDA (_temp),Y
|
||||
BEQ _JumpNextFormat
|
||||
JSR PutChar
|
||||
INY
|
||||
BNE @_NextByte
|
||||
INC _temp+1
|
||||
BRA @_NextByte
|
||||
|
||||
; p String (Pascal)
|
||||
; ======================================================================
|
||||
PrintStrP
|
||||
; JMP PrintHex4 ; DEBUG
|
||||
|
||||
JSR NxtArgYX ; X = low byte
|
||||
STX temp+0 ; zero-page for (ZP),Y
|
||||
STY temp+1
|
||||
JSR NxtArgToTemp
|
||||
|
||||
LDY #$0
|
||||
LDA (temp),Y
|
||||
LDA (_temp),Y
|
||||
BEQ _JumpNextFormat
|
||||
TAX
|
||||
_PrintStrP
|
||||
INY
|
||||
LDA (temp),Y
|
||||
LDA (_temp),Y
|
||||
_PrintCharA
|
||||
JSR PutChar
|
||||
DEX
|
||||
BNE _PrintStrP
|
||||
BEQ _JumpNextFormat ; always
|
||||
|
||||
; ======================================================================
|
||||
PrintStrC
|
||||
JMP PrintHex4 ; DEBUG
|
||||
|
||||
JSR NxtArgYX ; X = low byte
|
||||
STX temp+0 ; zero-page for (ZP),Y
|
||||
DEY
|
||||
STY temp+1
|
||||
|
||||
; We could use BIT $ABS to skip next INC temp+1 instruction
|
||||
; but since we need to waste a byte anyways
|
||||
; we use a DEY instead
|
||||
; .byte $2C ; BIT $abs -- skip next instruction
|
||||
@_NextPage
|
||||
INC temp+1
|
||||
|
||||
LDY #$0
|
||||
@_NextByte
|
||||
LDA (temp),Y
|
||||
BEQ _JumpNextFormat
|
||||
JSR PutChar
|
||||
INC temp+0
|
||||
BNE @_NextByte
|
||||
BEQ @_NextPage
|
||||
.endif ; ENABLE_STR
|
||||
|
||||
; __________ Utility __________
|
||||
|
||||
@ -526,6 +663,7 @@ PutChar
|
||||
|
||||
; ======================================================================
|
||||
; @return next arg as 16-bit arg value in Y,X
|
||||
NxtArgToTemp
|
||||
NxtArgYX
|
||||
JSR NxtArgByte
|
||||
TAX
|
||||
@ -539,43 +677,84 @@ IncArg
|
||||
BNE @_SamePage
|
||||
INC _pArg+1 ;
|
||||
@_SamePage
|
||||
|
||||
TAY
|
||||
|
||||
; Callers of NxtToArgYX don't use _temp
|
||||
_NxtArgToTemp
|
||||
STX _temp+0 ; zero-page for (ZP),Y
|
||||
STY _temp+1
|
||||
|
||||
;XYtoVal
|
||||
; STX _val+0 ; may be tempting to move this to NxtArgYX
|
||||
; STY _val+1 ;
|
||||
|
||||
RTS
|
||||
|
||||
;
|
||||
; ======================================================================
|
||||
|
||||
; Hex2/Hex4 temp
|
||||
_bcd ds 6 ; 6 chars for printing dec
|
||||
_val dw 0
|
||||
|
||||
MetaChar
|
||||
db '&' ; PrintPtr4
|
||||
db '@' ; PrintPtr2
|
||||
db '?' ; PrintBinInv
|
||||
|
||||
.if ENABLE_BIN
|
||||
db '?' ; PrintBinInv NOTE: 1's printed in inverse
|
||||
db '%' ; PrintBinAsc
|
||||
db 'b' ; PrintByte NOTE: Signed -128 .. +127
|
||||
db 'p' ; PrintStrP NOTE: Pascal string; C printf 'p' is pointer!
|
||||
db 's' ; PrintStrC NOTE: C string, zero terminated
|
||||
.endif
|
||||
.if ENABLE_DEC
|
||||
.if ENABLE_BYTE
|
||||
db 'b' ; PrintByte NOTE: Signed -128 .. +127
|
||||
.endif
|
||||
db 'u' ; PrintDec5
|
||||
db 'd' ; PrintDec3
|
||||
db '#' ; PrintDec2
|
||||
db '$' ; PrintHex2
|
||||
.endif
|
||||
.if ENABLE_HEX
|
||||
db 'x' ; PrintHex4
|
||||
db '$' ; PrintHex2
|
||||
.endif
|
||||
.if ENABLE_PTR
|
||||
db '&' ; PrintPtr4
|
||||
db '@' ; PrintPtr2
|
||||
.endif
|
||||
.if ENABLE_STR
|
||||
db 'p' ; PrintStrP NOTE: Pascal string; C printf 'p' is pointer!
|
||||
db 's' ; PrintStrC NOTE: C string, zero terminated
|
||||
db 'a' ; PrintStrA NOTE: Last byte is ASCII
|
||||
.endif
|
||||
|
||||
_MetaCharEnd
|
||||
NumMeta = _MetaCharEnd - MetaChar
|
||||
|
||||
MetaFunc
|
||||
dw PrintPtr4
|
||||
dw PrintPtr2
|
||||
|
||||
.if ENABLE_BIN
|
||||
dw PrintBinInv
|
||||
dw PrintBinAsc
|
||||
.endif
|
||||
.if ENABLE_DEC
|
||||
.if ENABLE_BYTE
|
||||
dw PrintByte
|
||||
dw PrintStrP
|
||||
dw PrintStrC
|
||||
.endif
|
||||
dw PrintDec5
|
||||
dw PrintDec3
|
||||
dw PrintDec2
|
||||
dw PrintHex2
|
||||
.endif
|
||||
.if ENABLE_HEX
|
||||
dw PrintHex4
|
||||
dw PrintHex2
|
||||
.endif
|
||||
.if ENABLE_PTR
|
||||
dw PrintPtr4
|
||||
dw PrintPtr2
|
||||
.endif
|
||||
.if ENABLE_STR
|
||||
dw PrintStrP
|
||||
dw PrintStrC
|
||||
dw PrintStrA
|
||||
.endif
|
||||
|
||||
__END
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user