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base spawn asms on one file

This commit is contained in:
Connor Olding 2015-12-18 23:46:30 -08:00
parent ce1d440bfb
commit d5c7097713
5 changed files with 93 additions and 157 deletions

View File

@ -107,5 +107,5 @@ end
if oot then
inject('spawn oot.asm')
else
inject('spawn.asm')
inject('spawn mm.asm')
end

View File

@ -33,6 +33,16 @@ local function bitrange(x, lower, upper)
return floor(x/2^lower) % 2^(upper - lower + 1)
end
local function readfile(fn)
local f = io.open(fn, 'r')
if not f then
error('could not open assembly file for reading: '..tostring(fn), 2)
end
local asm = f:read('*a')
f:close()
return asm
end
local registers = {
[0]=
'R0', 'AT', 'V0', 'V1', 'A0', 'A1', 'A2', 'A3',
@ -446,9 +456,10 @@ end
revtable(all_instructions)
local Lexer = Class()
function Lexer:init(asm, fn)
function Lexer:init(asm, fn, options)
self.asm = asm
self.fn = fn or '(string)'
self.options = options or {}
self.pos = 1
self.line = 1
self.EOF = -1
@ -459,21 +470,22 @@ local Dumper = Class()
function Dumper:init(writer, fn, options)
self.writer = writer
self.fn = fn or '(string)'
self.options = options or {}
self.labels = {}
self.commands = {}
self.buff = ''
self.pos = 0
self.size = 0
self.lastcommand = nil
self.options = options or {}
end
local Parser = Class()
function Parser:init(writer, fn, options)
self.fn = fn or '(string)'
self.main_fn = self.fn
self.options = options or {}
self.dumper = Dumper(writer, fn, options)
self.defines = {}
self.options = options or {}
end
function Lexer:error(msg)
@ -655,7 +667,39 @@ function Lexer:lex_block_comment(yield)
end
end
function Lexer:lex(yield)
function Lexer:lex_string(yield)
-- TODO: support escaping
if self.chr ~= '"' then
print(self.chr, self.ord)
self:error("expected opening double quote")
end
self:nextc()
local buff = self:read_chars('[^"\n]')
if self.chr ~= '"' then
print(self.chr)
self:error("expected closing double quote")
end
self:nextc()
yield('STRING', buff)
end
function Lexer:lex_include(_yield)
self:read_chars('%s')
local fn
self:lex_string(function(tt, tok)
fn = tok
end)
if self.options.path then
fn = self.options.path..fn
end
local sublexer = Lexer(readfile(fn), fn, self.options)
sublexer:lex(_yield)
end
function Lexer:lex(_yield)
local function yield(tt, tok)
return _yield(tt, tok, self.fn)
end
while true do
if self.chr == '\n' then
self:nextc()
@ -709,6 +753,7 @@ function Lexer:lex(yield)
end
if up == 'INC' or up == 'INCASM' or up == 'INCLUDE' then
yield('DIR', 'INC')
self:lex_include(_yield)
else
yield('DIR', up)
end
@ -769,16 +814,11 @@ function Parser:advance()
local t = self.tokens[self.i]
self.tt = t.tt
self.tok = t.tok
self.fn = t.fn
self.line = t.line
return t.tt, t.tok
end
function Parser:lookahead()
local t = self.tokens[self.i] + 1
if t == nil then return end
return t.tt, t.tok
end
function Parser:is_EOL()
return self.tt == 'EOL' or self.tt == 'EOF'
end
@ -837,7 +877,9 @@ function Parser:directive()
self:expect_EOL()
elseif name == 'HEX' then
self:error('unimplemented')
elseif name == 'INC' or name == 'INCBIN' then
elseif name == 'INC' then
-- noop
elseif name == 'INCBIN' then
self:error('unimplemented')
elseif name == 'FLOAT' or name == 'ASCII' or name == 'ASCIIZ' then
self:error('unimplemented')
@ -1211,27 +1253,28 @@ function Parser:instruction()
self:expect_EOL()
end
function Parser:tokenize()
function Parser:tokenize(asm)
self.tokens = {}
self.i = 0
local line = 1
local routine = coroutine.create(function()
local lexer = Lexer(self.asm, self.fn)
local lexer = Lexer(asm, self.main_fn, self.options)
lexer:lex(coroutine.yield)
end)
local lex = function()
local function lex()
local t = {line=line}
local ok, a, b = coroutine.resume(routine)
local ok, a, b, c = coroutine.resume(routine)
if not ok then
a = a or 'Internal Error: lexer coroutine has stopped'
error(a)
end
t.tt = a
t.tok = b
t.fn = c
table.insert(self.tokens, t)
return t.tt, t.tok
return t.tt, t.tok, t.fn
end
-- first pass: collect tokens and constants.
@ -1241,7 +1284,7 @@ function Parser:tokenize()
-- this would cause a recursive problem to solve,
-- which is too much for our simple assembler.
while true do
local tt, tok = lex()
local tt, tok, fn = lex()
if tt == 'DEF' then
local tt2, tok2 = lex()
if tt2 ~= 'NUM' then
@ -1251,8 +1294,11 @@ function Parser:tokenize()
elseif tt == 'EOL' then
line = line + 1
elseif tt == 'EOF' then
break
if fn == self.main_fn then
break
end
elseif tt == nil then
--require("pt"){self.tokens, writer=print}
error('Internal Error: missing token', 1)
end
end
@ -1271,12 +1317,14 @@ function Parser:tokenize()
end
function Parser:parse(asm)
self.asm = asm
self:tokenize()
self:tokenize(asm)
self:advance()
while true do
if self.tt == 'EOF' then
break
if self.fn == self.main_fn then
break
end
self:advance()
elseif self.tt == 'EOL' then
-- empty line
self:advance()
@ -1354,7 +1402,6 @@ function Dumper:add_bytes(line, ...)
end
function Dumper:add_directive(line, name, a, b)
-- ORG ALIGN SKIP BYTE HALFWORD WORD
local t = {}
t.line = line
if name == 'BYTE' then
@ -1585,17 +1632,13 @@ function assembler.assemble(fn_or_asm, writer, options)
function main()
local fn = nil
local asm = ''
local asm
if fn_or_asm:find('[\r\n]') then
asm = fn_or_asm
else
fn = fn_or_asm
local f = io.open(fn, 'r')
if not f then
error('could not read assembly file', 1)
end
asm = f:read('*a')
f:close()
asm = readfile(fn)
options.path = fn:match(".*/")
end
local parser = Parser(writer, fn, options)

19
Lua/inject/spawn mm.asm Normal file
View File

@ -0,0 +1,19 @@
[actor_spawn]: 0x800BAE14
[max_actor_no]: 0x2B1
[global_context]: 0x803E6B20
[buttons_offset]: 0x14
[actor_spawn_offset]: 0x1CA0
[link_actor]: 0x803FFDB0
[actor_x]: 0x24
[actor_y]: 0x28
[actor_z]: 0x2C
[actor_horiz_angle]: 0x32
[link_save]: 0x801EF670
[rupees_offset]: 0x3A
[upgrades_offset]: 0xB8
[upgrades_2_offset]: 0xBA
.include "spawn.asm"

View File

@ -16,112 +16,4 @@
[upgrades_offset]: 0xA0
[upgrades_2_offset]: 0xA2
[button_L]: 0x0020
[button_D_right]: 0x0100
[button_D_left]: 0x0200
[button_D_down]: 0x0400
[button_D_up]: 0x0800
[button_any]: 0x0F20
[hold_delay_amount]: 3
push 4, s1, ra
li t0, @link_save
li t1, @global_context
// give max rupee upgrade (set bit 13, clear bit 12 of lower halfword)
lh t2, @upgrades_2_offset(t0)
ori t2, t2, 0x2000
andi t2, t2, 0xEFFF
sh t2, @upgrades_2_offset(t0)
//
lhu t2, @buttons_offset(t1)
lh t9, @rupees_offset(t0)
lw s1, hold_delay
andi t4, t2, @button_any
bne t4, r0, no_reset
addi s1, s1, 1
li s1, 0
no_reset:
subi t4, s1, 1
beq t4, r0, first_time
nop
subi t4, s1, @hold_delay_amount
bltz t4, return
nop
first_time:
andi t3, t2, @button_D_up
beq t3, r0, no_D_up
nop
addi t9, t9, 1
no_D_up:
andi t3, t2, @button_D_down
beq t3, r0, no_D_down
nop
subi t9, t9, 1
no_D_down:
andi t3, t2, @button_D_right
beq t3, r0, no_D_right
nop
addi t9, t9, 10
no_D_right:
andi t3, t2, @button_D_left
beq t3, r0, no_D_left
nop
subi t9, t9, 10
no_D_left:
subi t4, t9, 1
bgez t4, no_min
nop
li t9, @max_actor_no
no_min:
subi t4, t9, @max_actor_no
blez t4, no_max
nop
li t9, 1
no_max:
sh t9, @rupees_offset(t0)
andi t3, t2, @button_L
beq t3, r0, return
nop
mov a0, t9
bal simple_spawn
nop
return:
sw s1, hold_delay
jpop 4, s1, ra
simple_spawn: // args: a0 (actor to spawn)
push 4, 9, ra
mov a2, a0
li a1, @global_context
addi a0, a1, @actor_spawn_offset
li t0, @link_actor
lw t1, @actor_x(t0)
lw t2, @actor_y(t0)
lw t3, @actor_z(t0)
mov a3, t1 // X position
sw t2, 0x10(sp) // Y position
sw t3, 0x14(sp) // Z position
li t9, 0x0
sw t9, 0x18(sp) // rotation?
lh t7, @actor_horiz_angle(t0)
sw t7, 0x1C(sp) // horizontal rotation
li t9, 0x0
sw t9, 0x20(sp) // rotation?
lh t7, @actor_horiz_angle(t0)
sw t7, 0x24(sp) // actor variable
li t9, 0x0000007F
sw t9, 0x28(sp) // unknown
li t9, 0x000003FF
sw t9, 0x2C(sp) // unknown
li t9, 0x00000000
sw t9, 0x30(sp) // unknown
jal @actor_spawn
nop
jpop 4, 9, ra
hold_delay:
.word 0
.include "spawn.asm"

View File

@ -1,21 +1,3 @@
[actor_spawn]: 0x800BAE14
[max_actor_no]: 0x2B1
[global_context]: 0x803E6B20
[buttons_offset]: 0x14
[actor_spawn_offset]: 0x1CA0
[link_actor]: 0x803FFDB0
[actor_x]: 0x24
[actor_y]: 0x28
[actor_z]: 0x2C
[actor_horiz_angle]: 0x32
[link_save]: 0x801EF670
[rupees_offset]: 0x3A
[upgrades_offset]: 0xB8
[upgrades_2_offset]: 0xBA
[button_L]: 0x0020
[button_D_right]: 0x0100
[button_D_left]: 0x0200