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Added an #assemble_string method to Assembler

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Saf 2020-08-31 02:16:29 -07:00
parent da807a2056
commit b292376fd9
2 changed files with 11 additions and 10 deletions
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8
lib/n65.rb
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@ -129,6 +129,14 @@ module N65
@promises << exec_result if exec_result.is_a?(Proc)
end
# Assemble the given string
def assemble_string(string)
string.split(/\n/).each do |line|
assemble_one_line(line)
end
fulfill_promises
end
# This will empty out our promise queue and try to fullfil operations
# that required an undefined symbol when first encountered.
def fulfill_promises

13
spec/lib/n65/symbol_table_spec.rb
View File

@ -168,10 +168,7 @@ RSpec.describe(N65::SymbolTable) do
ASM
end
before do
program.split(/\n/).each { |line| assembler.assemble_one_line(line) }
assembler.fulfill_promises
end
before { assembler.assemble_string(program) }
it 'assigns the value of the scope main to the program counter value' do
expect(assembler.symbol_table.resolve_symbol('global.main')).to eq(0x8000)
@ -199,7 +196,6 @@ RSpec.describe(N65::SymbolTable) do
end
let(:correct_binary) do
[
0x4e, 0x45, 0x53, 0x1a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x78, # SEI
0xd8, # CLD
0xa9, 0x0, # LDA immediate 0
@ -210,12 +206,9 @@ RSpec.describe(N65::SymbolTable) do
0x60 # RTS forward_symbol
]
end
let(:emitted_rom) { assembler.emit_binary_rom.bytes[0...26] }
let(:emitted_rom) { assembler.emit_binary_rom.bytes[16...26] }
before do
program.split(/\n/).each { |line| assembler.assemble_one_line(line) }
assembler.fulfill_promises
end
before { assembler.assemble_string(program) }
it 'assembles the branch to forward_symbol correctly' do
expect(emitted_rom).to eq(correct_binary)