diff options
Diffstat (limited to 'sux.h')
| -rw-r--r-- | sux.h | 21 |
1 files changed, 5 insertions, 16 deletions
@@ -141,8 +141,8 @@ static inline void write_value(struct sux *cpu, uint64_t value, uint64_t address static inline uint64_t offset_addr(struct sux *cpu, uint64_t offset, uint8_t size, uint8_t inc_clk, uint8_t prefix) { uint64_t of; switch (prefix >> 6) { - case 1: of = ((cpu->stk_st << 16) | cpu->sp); break; - case 2: of = cpu->pc ; break; + case 1: of = cpu->sp; break; + case 2: of = cpu->pc; break; } #if getclk cpu->clk += inc_clk; @@ -278,30 +278,19 @@ static inline uint64_t adc(struct sux *cpu, uint64_t reg, uint64_t value, uint8_ return sum; } -static inline uint64_t transfer(struct sux *cpu, uint64_t src, uint64_t value, uint8_t opcode, uint8_t prefix, uint8_t thread) { - switch (opcode) { - case TXS_IMM: - if (prefix == 0x13 && (value == thread+1 || value > 8)) { - cpu->stk_st = value & 0xFF; - cpu->stk_st += value << 16; - cpu->pc+=2; - } - default: break; - } +static inline uint64_t transfer(struct sux *cpu, uint64_t src, uint64_t value, uint8_t thread) { setflag(src == 0, Z); setflag(src >> 63, N); return src; } static inline void push(struct sux *cpu, uint64_t value, uint8_t size, uint8_t thread) { - uint64_t sbr = (cpu->stk_st << 16); - write_value(cpu, value, (sbr+cpu->sp)-size, size, 1, 0); + write_value(cpu, value, cpu->sp-size, size, 1, 0); cpu->sp -= size+1; } static inline uint64_t pull(struct sux *cpu, uint8_t size, uint8_t thread) { - uint64_t sbr = (cpu->stk_st << 16); - uint64_t value = read_value(cpu, 0, sbr+cpu->sp+1, size, 1, 0); + uint64_t value = read_value(cpu, 0, cpu->sp+1, size, 1, 0); cpu->sp += size+1; return value; } |