def __init__(self, testname):
HexTestCase.__init__(self, testname)
f = open('fixtures/movingsprite/movingsprite.asm')
code = f.read()
f.close()
tokens = lexical(code)
self.ast = syntax(tokens)
def test_compile_list(self):
code = '''
palette:
.db $0F,$01,$02,$03,$04,$05,$06,$07,$08,$09,$0A,$0B,$0C,$0D,$0E,$0F
.db $0F,$30,$31,$32,$33,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$0F
'''
tokens = lexical(code)
ast = syntax(tokens)
self.assertEquals(2, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
self.assertEquals('.db', ast[0]['children'][0]['value'])
self.assertEquals( 32, len(ast[0]['children']))
palette1 = [0x0f, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f]
for i in range(len(palette1)):
h = '$%02X' % palette1[i]
self.assertEquals(h, ast[0]['children'][i * 2 + 1]['value'])
self.assertEquals('S_DIRECTIVE', ast[1]['type'])
self.assertEquals('S_DIRECTIVE', ast[1]['type'])
self.assertEquals('.db', ast[0]['children'][0]['value'])
self.assertEquals( 32, len(ast[1]['children']))
palette2 = [0x0f, 0x30, 0x31, 0x32, 0x33, 0x35, 0x36, 0x37, 0x38, 0x39,
0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x0f]
for i in range(len(palette2)):
h = '$%02X' % palette2[i]
self.assertEquals(h, ast[1]['children'][i * 2 + 1]['value'])
def __init__(self, testname):
HexTestCase.__init__(self, testname)
f = open('fixtures/movingsprite/movingsprite.asm')
code = f.read()
f.close()
tokens = lexical(code)
self.ast = syntax(tokens)
def test_several_lists_with_labels(self):
code = '''
.org $E000
palette:
.db $0F,$01,$02,$03,$04,$05,$06,$07,$08,$09,$0A,$0B,$0C,$0D,$0E,$0F
.db $0F,$30,$31,$32,$33,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$0F
sprites:
.db $80, $00, $03, $80; Y pos, tile id, attributes, X pos
'''
tokens = lexical(code)
ast = syntax(tokens)
self.assertEquals(4, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
self.assertEquals('.org', ast[0]['children'][0]['value'])
self.assertEquals('S_DIRECTIVE', ast[1]['type'])
self.assertEquals('.db', ast[1]['children'][0]['value'])
self.assertEquals(['palette'], ast[1]['labels'])
self.assertEquals('S_DIRECTIVE', ast[2]['type'])
self.assertEquals('.db', ast[2]['children'][0]['value'])
self.assertEquals('S_DIRECTIVE', ast[3]['type'])
self.assertEquals('.db', ast[3]['children'][0]['value'])
self.assertEquals(['sprites'], ast[3]['labels'])
labels = get_labels(ast)
expected = {'palette': 0xE000, 'sprites': 0xE000 + 32}
self.assertEquals(expected, labels)
def test_org_fffa(self):
tokens = list(lexical('.org $FFFA'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
def test_ines_functions(self):
example = """
.inesprg 1 ; 1x 16KB PRG code
.ineschr 1 ; 1x 8KB CHR data
.inesmap 0 ; mapper 0 = NROM, no bank swapping
.inesmir 1 ; VERT mirroring for HORIZ scrolling
"""
tokens = lexical(example)
def test_bank_0(self):
tokens = list(lexical('.bank 0'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_DECIMAL_ARGUMENT', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
def test_bank_0(self):
tokens = list(lexical('.bank 0'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_DECIMAL_ARGUMENT', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
def test_org_fffa(self):
tokens = list(lexical('.org $FFFA'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
def test_example_5_14(self):
example_5_14 = '''
; Example 5-14. Simple 16-bit square root.
;
; Returns the 8-bit square root in $20 of the
; 16-bit number in $20 (low) and $21 (high). The
; remainder is in location $21.
sqrt16: LDY #$01 ; lsby of first odd number = 1
STY $22
DEY
STY $23 ; msby of first odd number (sqrt = 0)
again: SEC
LDA $20 ; save remainder in X register
TAX ; subtract odd lo from integer lo
SBC $22
STA $20
LDA $21 ; subtract odd hi from integer hi
SBC $23
STA $21 ; is subtract result negative?
BCC nomore ; no. increment square root
INY
LDA $22 ; calculate next odd number
ADC #$01
STA $22
BCC again
INC $23
JMP again
nomore: STY $20 ; all done, store square root
STX $21 ; and remainder
RTS
'''
tokens = lexical(example_5_14)
self.assertEquals(74, len(tokens))
self.assertEquals('T_ENDLINE', tokens[0]['type'])
self.assertEquals('T_ENDLINE', tokens[1]['type'])
self.assertEquals('T_ENDLINE', tokens[2]['type'])
self.assertEquals('T_ENDLINE', tokens[3]['type'])
self.assertEquals('T_ENDLINE', tokens[4]['type'])
self.assertEquals('T_ENDLINE', tokens[5]['type'])
self.assertEquals('T_ENDLINE', tokens[6]['type'])
self.assertEquals('T_LABEL', tokens[7]['type'])
self.assertEquals('T_INSTRUCTION', tokens[8]['type'])
self.assertEquals('T_HEX_NUMBER', tokens[9]['type'])
self.assertEquals('T_ENDLINE', tokens[10]['type'])
self.assertEquals('T_INSTRUCTION', tokens[11]['type'])
self.assertEquals('T_ADDRESS', tokens[12]['type'])
self.assertEquals('T_ENDLINE', tokens[13]['type'])
self.assertEquals('T_INSTRUCTION', tokens[14]['type'])
self.assertEquals('T_ENDLINE', tokens[15]['type'])
self.assertEquals('T_INSTRUCTION', tokens[16]['type'])
self.assertEquals('T_ADDRESS', tokens[17]['type'])
self.assertEquals('T_ENDLINE', tokens[18]['type'])
def test_example_5_14(self):
example_5_14 = '''
; Example 5-14. Simple 16-bit square root.
;
; Returns the 8-bit square root in $20 of the
; 16-bit number in $20 (low) and $21 (high). The
; remainder is in location $21.
sqrt16: LDY #$01 ; lsby of first odd number = 1
STY $22
DEY
STY $23 ; msby of first odd number (sqrt = 0)
again: SEC
LDA $20 ; save remainder in X register
TAX ; subtract odd lo from integer lo
SBC $22
STA $20
LDA $21 ; subtract odd hi from integer hi
SBC $23
STA $21 ; is subtract result negative?
BCC nomore ; no. increment square root
INY
LDA $22 ; calculate next odd number
ADC #$01
STA $22
BCC again
INC $23
JMP again
nomore: STY $20 ; all done, store square root
STX $21 ; and remainder
RTS
'''
tokens = list(lexical(example_5_14))
self.assertEquals(74, len(tokens))
self.assertEquals('T_ENDLINE', tokens[0]['type'])
self.assertEquals('T_ENDLINE', tokens[1]['type'])
self.assertEquals('T_ENDLINE', tokens[2]['type'])
self.assertEquals('T_ENDLINE', tokens[3]['type'])
self.assertEquals('T_ENDLINE', tokens[4]['type'])
self.assertEquals('T_ENDLINE', tokens[5]['type'])
self.assertEquals('T_ENDLINE', tokens[6]['type'])
self.assertEquals('T_LABEL', tokens[7]['type'])
self.assertEquals('T_INSTRUCTION', tokens[8]['type'])
self.assertEquals('T_HEX_NUMBER', tokens[9]['type'])
self.assertEquals('T_ENDLINE', tokens[10]['type'])
self.assertEquals('T_INSTRUCTION', tokens[11]['type'])
self.assertEquals('T_ADDRESS', tokens[12]['type'])
self.assertEquals('T_ENDLINE', tokens[13]['type'])
self.assertEquals('T_INSTRUCTION', tokens[14]['type'])
self.assertEquals('T_ENDLINE', tokens[15]['type'])
self.assertEquals('T_INSTRUCTION', tokens[16]['type'])
self.assertEquals('T_ADDRESS', tokens[17]['type'])
self.assertEquals('T_ENDLINE', tokens[18]['type'])
def test_cli_sngl(self):
tokens = list(lexical('CLI'))
self.assertEquals(1, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMPLIED', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x58])
def test_asm_compiler_scrolling_5(self):
cart = Cartridge()
cart.path = "fixtures/nesasm/scrolling/"
f = open("fixtures/nesasm/scrolling/scrolling5.asm")
code = f.read()
f.close()
tokens = lexical(code)
ast = syntax(tokens)
opcodes = semantic(ast, cart=cart)
def test_sed_sngl(self):
tokens = list(lexical('SED'))
self.assertEquals(1, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMPLIED', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xf8])
def test_org_c000(self):
tokens = lexical('.org $C000')
self.assertEquals(2, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
code = semantic(ast)
def test_rts_sngl(self):
tokens = lexical("RTS")
self.assertEquals(1, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_IMPLIED", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0x60])
def test_org_c000(self):
tokens = lexical('.org $C000')
self.assertEquals(2 , len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
code = semantic(ast)
def test_sei_sngl(self):
tokens = list(lexical("SEI"))
self.assertEquals(1, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_IMPLIED", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0x78])
def test_nop_sngl(self):
tokens = lexical('NOP')
self.assertEquals(1 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_IMPLIED', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xea])
def test_lsr_imm_with_decimal(self):
tokens = lexical("LSR #10")
self.assertEquals(2, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
self.assertEquals("T_DECIMAL_NUMBER", tokens[1]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_IMMEDIATE", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0x4A, 0x0A])
def test_beq_rel(self):
tokens = lexical('BEQ $10')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_RELATIVE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xf0, 0x0e])
def test_ldy_abs(self):
tokens = lexical('LDY $1234')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ABSOLUTE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xac, 0x34, 0x12])
def test_lsr_imm_with_binary(self):
tokens = lexical("LSR #%00000100")
self.assertEquals(2, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
self.assertEquals("T_BINARY_NUMBER", tokens[1]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_IMMEDIATE", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0x4A, 0x04])
def test_bne_rel(self):
tokens = lexical("BNE $10")
self.assertEquals(2, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
self.assertEquals("T_ADDRESS", tokens[1]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_RELATIVE", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0xD0, 0x0E])
def test_bpl_rel(self):
tokens = lexical('BPL $10')
self.assertEquals(2 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_RELATIVE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x10, 0x0e])
def test_ora_imm_with_binary(self):
tokens = lexical('ORA #%00000100')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_BINARY_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x09, 0x04])
def test_lsr_acc(self):
tokens = lexical("LSR A")
self.assertEquals(2, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
self.assertEquals("T_ACCUMULATOR", tokens[1]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_ACCUMULATOR", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0x4A])
def test_ora_zp(self):
tokens = lexical('ORA $00')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ZEROPAGE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x05, 0x00])
def test_sty_zp(self):
tokens = list(lexical('STY $00'))
self.assertEquals(2 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_ZEROPAGE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x84, 0x00])
def test_ora_imm_with_decimal(self):
tokens = lexical('ORA #10')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_DECIMAL_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x09, 0x0a])
def test_bit_zp(self):
tokens = lexical("BIT $00")
self.assertEquals(2, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
self.assertEquals("T_ADDRESS", tokens[1]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_ZEROPAGE", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0x24, 0x00])
def test_ldy_imm_with_decimal(self):
tokens = list(lexical('LDY #10'))
self.assertEquals(2 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_DECIMAL_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xa0, 0x0a])
def test_lsr_acc(self):
tokens = list(lexical('LSR A'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ACCUMULATOR', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ACCUMULATOR', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x4a])
def test_sbc_imm(self):
tokens = lexical("SBC #$10")
self.assertEquals(2, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
self.assertEquals("T_HEX_NUMBER", tokens[1]["type"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_IMMEDIATE", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0xE9, 0x10])
def test_ldy_abs(self):
tokens = list(lexical('LDY $1234'))
self.assertEquals(2 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_ABSOLUTE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xac, 0x34, 0x12])
def test_asl_imm(self):
tokens = lexical('ASL #$10')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_HEX_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x0a, 0x10])
def test_cmp_imm(self):
tokens = list(lexical('CMP #$10'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_HEX_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xc9, 0x10])
def test_lsr_acc(self):
tokens = lexical('LSR A')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ACCUMULATOR', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ACCUMULATOR', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x4a])
def test_ldy_imm_with_binary(self):
tokens = list(lexical('LDY #%00000100'))
self.assertEquals(2 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_BINARY_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xa0, 0x04])
def test_jsr_abs(self):
tokens = list(lexical('JSR $1234'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('$1234', tokens[1]['value'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ABSOLUTE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x20, 0x34, 0x12])
def test_inesmir(self):
tokens = lexical('.inesmir 1')
self.assertEquals(2, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_DECIMAL_ARGUMENT', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
code = semantic(ast, True)
#self.assertEquals(1, get_var('inesmir'))
self.assertEquals(code[7], 1)
def test_bit_abs(self):
tokens = lexical("BIT $1234")
self.assertEquals(2, len(tokens))
self.assertEquals("T_INSTRUCTION", tokens[0]["type"])
self.assertEquals("T_ADDRESS", tokens[1]["type"])
self.assertEquals("$1234", tokens[1]["value"])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals("S_ABSOLUTE", ast[0]["type"])
code = semantic(ast)
self.assertEquals(code, [0x2C, 0x34, 0x12])
def test_inesmir(self):
tokens = list(lexical('.inesmir 1'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
self.assertEquals('T_DECIMAL_ARGUMENT', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
code = semantic(ast, True)
# self.assertEquals(1, get_var('inesmir'))
self.assertEquals(code[7], 1)
def test_jmp_abs(self):
tokens = lexical('JMP $1234')
self.assertEquals(2 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('$1234', tokens[1]['value'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_ABSOLUTE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x4c, 0x34, 0x12])
def test_and_absy(self):
tokens = list(lexical('AND $1234,Y'))
self.assertEquals(4 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('T_SEPARATOR', tokens[2]['type'])
self.assertEquals('T_REGISTER', tokens[3]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_ABSOLUTE_Y', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x39, 0x34, 0x12])
def test_ora_zpx(self):
tokens = lexical('ORA $10,X')
self.assertEquals(4, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('T_SEPARATOR', tokens[2]['type'])
self.assertEquals('T_REGISTER', tokens[3]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ZEROPAGE_X', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x15, 0x10])
def test_ldy_absx(self):
tokens = list(lexical('LDY $1234,X'))
self.assertEquals(4, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('T_SEPARATOR', tokens[2]['type'])
self.assertEquals('T_REGISTER', tokens[3]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ABSOLUTE_X', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xbc, 0x34, 0x12])
def test_stx_zpy(self):
tokens = list(lexical('STX $10,Y'))
self.assertEquals(4, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('T_SEPARATOR', tokens[2]['type'])
self.assertEquals('T_REGISTER', tokens[3]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ZEROPAGE_Y', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x96, 0x10])
def test_ora_absy(self):
tokens = lexical('ORA $1234,Y')
self.assertEquals(4, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('T_SEPARATOR', tokens[2]['type'])
self.assertEquals('T_REGISTER', tokens[3]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ABSOLUTE_Y', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x19, 0x34, 0x12])
def test_db_3(self):
tokens = lexical('.db $80, $00, $03, $80')
self.assertEquals(8, len(tokens))
self.assertEquals('T_DIRECTIVE', tokens[0]['type'])
#self.assertEquals('T_HEX_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_DIRECTIVE', ast[0]['type'])
code = semantic(ast)
self.assertIsNotNone(code)
expected = [0x80, 0x0, 0x03, 0x80]
self.assertEquals(expected, code)
def test_ldy_zpx(self):
tokens = list(lexical('LDY $10,X'))
self.assertEquals(4 , len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('T_SEPARATOR', tokens[2]['type'])
self.assertEquals('T_REGISTER', tokens[3]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_ZEROPAGE_X', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0xb4, 0x10])
def test_sta_absx(self):
tokens = lexical('STA $1234,X')
self.assertEquals(4 , len(tokens))
token = tokens[0]
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('$1234', tokens[1]['value'])
self.assertEquals('T_SEPARATOR', tokens[2]['type'])
self.assertEquals('T_REGISTER', tokens[3]['type'])
ast = syntax(tokens)
self.assertEquals(1 , len(ast))
self.assertEquals('S_ABSOLUTE_X', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x9D, 0x34, 0x12])
def test_jsr_abs(self):
tokens = lexical('JSR $1234')
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
self.assertEquals('$1234', tokens[1]['value'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ABSOLUTE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x20, 0x34, 0x12])
#TODO: http://www.6502.buss.hk/6502-instruction-set/jmp says that there is a indirect
def test_adc_zp(self):
'''
Test the arithmetic operation ADC between the content of
the accumulator and the content of the zero page address.
'''
tokens = list(lexical('ADC $00'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_ADDRESS', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_ZEROPAGE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x65, 0x00])
def test_adc_imm_with_binary(self):
'''
Test the arithmetic operation ADC between binary %00000100
(Decimal 4) and the content of the accumulator.
'''
tokens = list(lexical('ADC #%00000100'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_BINARY_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x69, 0x04])
def test_adc_imm_with_decimal(self):
'''
Test the arithmetic operation ADC between decimal 10
and the content of the accumulator.
'''
tokens = list(lexical('ADC #10'))
self.assertEquals(2, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_DECIMAL_NUMBER', tokens[1]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_IMMEDIATE', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x69, 0x0A])
def test_compile_decimal(self):
code = '''
LDA #128
STA $0203
'''
tokens = lexical(code)
self.assertEquals(7, len(tokens))
self.assertEquals('T_ENDLINE', tokens[0]['type'])
self.assertEquals('T_INSTRUCTION', tokens[1]['type'])
self.assertEquals('T_DECIMAL_NUMBER', tokens[2]['type'])
self.assertEquals('T_ENDLINE', tokens[3]['type'])
self.assertEquals('T_INSTRUCTION', tokens[4]['type'])
self.assertEquals('T_ADDRESS', tokens[5]['type'])
self.assertEquals('T_ENDLINE', tokens[6]['type'])
def test_ora_indy(self):
tokens = lexical('ORA ($20),Y')
self.assertEquals(6, len(tokens))
self.assertEquals('T_INSTRUCTION', tokens[0]['type'])
self.assertEquals('T_OPEN', tokens[1]['type'])
self.assertEquals('T_ADDRESS', tokens[2]['type'])
self.assertEquals('T_CLOSE', tokens[3]['type'])
self.assertEquals('T_SEPARATOR', tokens[4]['type'])
self.assertEquals('T_REGISTER', tokens[5]['type'])
ast = syntax(tokens)
self.assertEquals(1, len(ast))
self.assertEquals('S_INDIRECT_Y', ast[0]['type'])
code = semantic(ast)
self.assertEquals(code, [0x11, 0x20])