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Fix length bug with s_bytes (one too short)

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This also fixes tests for disassembly so that they account for changed
output. Finally this also exits if we have to perror in the setup
function.
This commit is contained in:
Peter Evans 2018-02-23 21:35:53 -06:00
parent 395ac4a841
commit ac5d532a7f
2 changed files with 8 additions and 9 deletions
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2
src/mos6502.dis.c
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@ -30,7 +30,7 @@
#include "mos6502.dis.h"
#include "mos6502.enums.h"
static char s_bytes[9],
static char s_bytes[10],
s_inst[4],
s_operand[11];

15
tests/mos6502.dis.c
View File

@ -27,6 +27,7 @@ setup()
stream = fopen("/dev/null", "w");
if (stream == NULL) {
perror("Could not open temporary file for mos6502 disassembly tests");
exit(1);
}
// The C standard library allows us to set an arbitrary buffer for a
@ -111,11 +112,11 @@ Test(mos6502_dis, operand)
// Test a forward jump (operand < 128)
mos6502_dis_operand(cpu, buf, sizeof(buf), 500, REL, 52);
assert_buf("ADDR_0228");
assert_buf("<0228>");
// Test a backward jump (operand >= 128)
mos6502_dis_operand(cpu, buf, sizeof(buf), 500, REL, 152);
assert_buf("ADDR_018c");
assert_buf("<018c>");
}
Test(mos6502_dis, instruction)
@ -210,7 +211,7 @@ Test(mos6502_dis, opcode)
mos6502_set(cpu, 1, 0x38);
bytes = mos6502_dis_opcode(cpu, stream, 0);
assert_buf(" AND #$38 ; pc:0000 cy:02 addr:0000 val:38 a:00 x:00 y:00 p:NO-dIZC s:ff | 29 38\n");
assert_buf("0000:29 38 AND #$38\n");
cr_assert_eq(bytes, 2);
}
@ -229,9 +230,7 @@ Test(mos6502_dis, scan)
// I'm honestly not sure. There are definitely times (e.g. during
// runtime operation) when you don't want it to, but as a standalone
// disassembler, it feels less useful when PC isn't emulated.
assert_buf(" AND #$38 ; pc:0000 cy:02 addr:0000 val:38 a:00 x:00 y:00 p:NO-dIZC s:ff | 29 38\n"
" DEY ; pc:0000 cy:02 addr:0000 val: a:00 x:00 y:00 p:NO-dIZC s:ff | 88\n"
" JMP ($1234) ; pc:0000 cy:05 addr:0000 val:29 a:00 x:00 y:00 p:NO-dIZC s:ff | 6c 34 12\n"
";;;\n\n"
);
assert_buf("0000:29 38 AND #$38\n"
"0000:88 DEY #$38\n"
"0000:6C 34 12 JMP ($1234)\n");
}