Apple-2-SW/AppleIIAsm-Collection
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AppleIIAsm-Collection/source/d8_lores/T.MIN.SUB.LRCHAR.ASM
nathanriggs 9b12b6fd9b HOUSEKEEPING 
- getting ready for major changes for 0.6.0.
- be sure to download the 0.5.0 release to ensure proper functionality, as these rountines will not work together in the SRC or BIN folder during the transition
- Beginning to significantly alter documentation
2019-12-17 17:19:24 -05:00

525 lines
9.2 KiB
NASM
Raw Blame History

]ORGX EQU BPAR1
]ORGY EQU BPAR2
]CADDR EQU WPAR1
]CBYTE1 EQU VARTAB
]CBYTE2 EQU VARTAB+1
]CBYTE3 EQU VARTAB+2
]X EQU ADDR1
]Y EQU ADDR2
]CNT EQU VARTAB+5
]COLOR EQU BPAR3
]TMPBYTE EQU VARTAB+11
]OFFSET EQU VARTAB+12
]NIBBLE EQU VARTAB+13
LRCHAR
LDA #0
STA ]NIBBLE
STA ]OFFSET
LDA ]ORGX
STA ]X
LDA ]ORGY
STA ]Y
LDA ]X
LDY #0
LDA (]CADDR),Y
STA ]CBYTE1
INY
LDA (]CADDR),Y
STA ]CBYTE2
INY
LDA (]CADDR),Y
STA ]CBYTE3
LDA #0
STA ]CNT
:PRELOOP
LDY ]OFFSET
LDA ]CBYTE1,Y
STA ]TMPBYTE
:LP1
SEC
LDA ]TMPBYTE
ASL
STA ]TMPBYTE
BCC :NOPLOT
LDA ]COLOR
LDY ]Y
LDX ]X
JSR LOCPLOT
:NOPLOT
INC ]X
LDA ]CNT
CMP #3
BEQ :NEXTLP
INC ]CNT
JMP :LP1
:NEXTLP
INC ]NIBBLE
INC ]Y
LDA #0
STA ]CNT
LDA ]ORGX
STA ]X
LDA ]NIBBLE
CMP #2
BEQ :NEXTLP2
JMP :LP1
:NEXTLP2
INC ]OFFSET
LDA #0
STA ]NIBBLE
LDA ]ORGX
STA ]X
LDA #0
STA ]CNT
LDA ]OFFSET
CMP #3
BEQ :NEXT3
JMP :PRELOOP
:NEXT3
RTS
LR_A DFB %01101001
DFB %11111001
DFB %10010000
LR_B
DFB %11101001
DFB %11101001
DFB %11100000
LR_C
DFB %11111000
DFB %10001000
DFB %11110000
LR_D
DFB %11101001
DFB %10011001
DFB %11100000
LR_E
DFB %11111000
DFB %11101000
DFB %11110000
LR_F
DFB %11111000
DFB %11101000
DFB %10000000
LR_G
DFB %11111000
DFB %10111001
DFB %11110000
LR_H
DFB %10011001
DFB %11111001
DFB %10010000
LR_I
DFB %11110110
DFB %01100110
DFB %11110000
LR_J
DFB %00010001
DFB %00011001
DFB %01100000
LR_K
DFB %10011010
DFB %11001010
DFB %10010000
LR_L
DFB %10001000
DFB %10001000
DFB %11110000
LR_M
DFB %10111101
DFB %11011001
DFB %10010000
LR_N
DFB %10011101
DFB %11011011
DFB %10010000
LR_O
DFB %01101001
DFB %10011001
DFB %01100000
LR_P
DFB %11101001
DFB %11101000
DFB %10000000
LR_Q
DFB %01101001
DFB %10011011
DFB %01100001
LR_R
DFB %11101001
DFB %11101010
DFB %10010000
LR_S
DFB %01111000
DFB %01100001
DFB %11100000
LR_T
DFB %11110110
DFB %01100110
DFB %01100000
LR_U
DFB %10011001
DFB %10011001
DFB %11110000
LR_V
DFB %10011001
DFB %10101010
DFB %01000000
LR_W
DFB %10011001
DFB %10111011
DFB %11010000
LR_X
DFB %10011001
DFB %01101001
DFB %10010000
LR_Y
DFB %10011001
DFB %01100110
DFB %01100000
LR_Z
DFB %11110001
DFB %01101000
DFB %11110000
LR_0
DFB %11111001
DFB %10011001
DFB %11110000
LR_1
DFB %01100110
DFB %01100110
DFB %01100000
LR_2
DFB %01101001
DFB %00100100
DFB %11110000
LR_3
DFB %11100001
DFB %01100001
DFB %11100000
LR_4
DFB %10011001
DFB %11110001
DFB %00010000
LR_5
DFB %11111000
DFB %11110001
DFB %11110000
LR_6
DFB %01101000
DFB %11101001
DFB %11110000
LR_7
DFB %11110001
DFB %00100100
DFB %10000000
LR_8
DFB %01101001
DFB %01101001
DFB %01100000
LR_9
DFB %01111001
DFB %01110001
DFB %00010000
LR_EXC
DFB %01100110
DFB %01100000
DFB %01100000
LR_QUEST
DFB %01101001
DFB %00100000
DFB %00100000
LR_PRD
DFB %00000000
DFB %00001100
DFB %11000000
LR_CMA
DFB %00000000
DFB %00000100
DFB %01001000
LR_APOST
DFB %00010001
DFB %00100000
DFB %00000000
LR_QUOT
DFB %10101010
DFB %00000000
DFB %00000000
LR_COLON
DFB %00000100
DFB %00000100
DFB %00000000
LR_SEMI
DFB %00000100
DFB %00000100
DFB %10000000
LR_MINUS
DFB %00000000
DFB %11111111
DFB %00000000
LR_PLUS
DFB %00000110
DFB %11111111
DFB %01100000
LR_EQUAL
DFB %00001111
DFB %00001111
DFB %00000000
LR_CHECKER1
DFB %10100101
DFB %10100101
DFB %10100000
LR_CHECKER2
DFB %01011010
DFB %01011010
DFB %01010000
LR_UP
DFB %00100111
DFB %00000010
DFB %01110000
LR_DOWN
DFB %01110010
DFB %00000111
DFB %00100000
LR_LEFT
DFB %00010011
DFB %01110011
DFB %00010000
LR_RIGHT
DFB %10001100
DFB %11101100
DFB %10000000
LR_FSLASH
DFB %00010010
DFB %01001000
DFB %10000000
LR_BSLASH
DFB %10000100
DFB %00100001
DFB %00010000
LR_LPAR
DFB %00010010
DFB %01000100
DFB %00100001
LR_RPAR
DFB %10000100
DFB %00100010
DFB %01001000
LR_BLOCK
DFB %11111111
DFB %11111111
DFB %11110000
LR_GOOMBA
DFB %01101001
DFB %11110110
DFB %11110000
LR_PERCENT
DFB %10010001
DFB %00100100
DFB %10010000
LR_BULLET
DFB %00000110
DFB %01100000
DFB %00000000
LR_OFACE
DFB %10010000
DFB %11111001
DFB %11110000
LR_HFACE
DFB %10010000
DFB %10011001
DFB %11110000
LR_SFACE
DFB %10011001
DFB %00001111
DFB %10010000
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