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32x: add some comments

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notaz
2013-07-08 02:44:16 +03:00
parent a8fd6e3761
commit 65514d85d5
2 changed files with 20 additions and 8 deletions
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8
cpu/sh2/compiler.c
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@@ -166,9 +166,9 @@ static const int reg_map_g2h[] = {
4, 5, 6, 7,
8, -1, -1, -1,
-1, -1, -1, -1,
-1, -1, -1, 9,
-1, -1, -1, 10,
-1, -1, -1, -1,
-1, -1, -1, 9, // r12 .. sp
-1, -1, -1, 10, // SHR_PC, SHR_PPC, SHR_PR, SHR_SR,
-1, -1, -1, -1, // SHR_GBR, SHR_VBR, SHR_MACH, SHR_MACL,
};
static temp_reg_t reg_temp[] = {
@@ -2986,7 +2986,7 @@ int sh2_execute(SH2 *sh2c, int cycles)
sh2c->cycles_timeslice = cycles;
// cycles are kept in SHR_SR unused bits (upper 20)
// bit19 contains T saved for delay slot
// bit11 contains T saved for delay slot
// others are usual SH2 flags
sh2c->sr &= 0x3f3;
sh2c->sr |= cycles << 12;