def p_nextreg_expr(p):
""" asm : NEXTREG expr COMMA expr
| NEXTREG expr COMMA pexpr
| NEXTREG pexpr COMMA expr
| NEXTREG pexpr COMMA pexpr
"""
p[0] = asmparse.Asm(p.lineno(1), 'NEXTREG N,N', (p[2], p[4]))
def p_bxxxx_de_b(p):
""" asm : BSLA DE COMMA B
| BSRA DE COMMA B
| BSRL DE COMMA B
| BSRF DE COMMA B
| BRLC DE COMMA B
"""
p[0] = asmparse.Asm(p.lineno(1), '{} DE,B'.format(p[1]))
def p_add_reg_NN(p):
""" asm : ADD HL COMMA expr
| ADD DE COMMA expr
| ADD BC COMMA expr
| ADD HL COMMA pexpr
| ADD DE COMMA pexpr
| ADD BC COMMA pexpr
"""
p[0] = asmparse.Asm(p.lineno(1), 'ADD {},NN'.format(p[2]), p[4])
def p_simple_instruction(p):
""" asm : LDIX
| LDWS
| LDIRX
| LDDX
| LDDRX
| LDPIRX
| OUTINB
| SWAPNIB
| MIRROR
| PIXELDN
| PIXELAD
| SETAE
"""
p[0] = asmparse.Asm(p.lineno(1), p[1])
def p_push_imm(p):
""" asm : PUSH expr
| PUSH pexpr
"""
# Reverse HI | LO => X1 = (X0 & 0xFF) << 8 | (X0 >> 8) & 0xFF
mknod = asmparse.Expr.makenode
cont = lambda x: asmparse.Container(x, p.lineno(1))
ff = mknod(cont(0xFF))
n8 = mknod(cont(8))
expr = mknod(
cont('|'),
mknod(cont('<<'), mknod(cont('&'), p[2], ff), n8),
mknod(cont('&'), mknod(cont('>>'), p[2], n8), ff)
)
p[0] = asmparse.Asm(p.lineno(1), 'PUSH NN', expr)
def p_nextreg_a(p):
""" asm : NEXTREG expr COMMA A
| NEXTREG pexpr COMMA A
"""
p[0] = asmparse.Asm(p.lineno(1), 'NEXTREG N,A', p[2])
def p_test_nn(p):
""" asm : TEST expr
| TEST pexpr
"""
p[0] = asmparse.Asm(p.lineno(1), 'TEST N', p[2])
def p_JP_c(p):
""" asm : JP LP C RP
"""
p[0] = asmparse.Asm(p.lineno(1), 'JP (C)')
def p_add_reg16_a(p):
""" asm : ADD HL COMMA A
| ADD DE COMMA A
| ADD BC COMMA A
"""
p[0] = asmparse.Asm(p.lineno(1), 'ADD {},A'.format(p[2]))
def p_mul_d_e(p):
""" asm : MUL D COMMA E
"""
p[0] = asmparse.Asm(p.lineno(1), 'MUL D,E')
