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sms, improve cycle counting, fix vcounter for 224/240 lines

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This commit is contained in:
kub 2021-10-29 22:06:52 +02:00
parent f9ea940fb5
commit 7eeb85beb6
2 changed files with 24 additions and 11 deletions
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3
pico/pico_int.h
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@ -199,7 +199,7 @@ extern struct DrZ80 drZ80;
#define Z80_STATE_SIZE 0x60
#define z80_resetCycles() \
Pico.t.z80c_cnt = Pico.t.z80c_aim = Pico.t.z80_scanline = 0
Pico.t.z80c_cnt -= Pico.t.z80c_aim, Pico.t.z80c_aim = Pico.t.z80_scanline = 0
#define z80_cyclesDone() \
(Pico.t.z80c_aim - z80_cyclesLeft)
@ -437,6 +437,7 @@ struct PicoTiming
unsigned int z80c_cnt; // z80 cycles done (this frame)
unsigned int z80c_aim;
unsigned int z80c_line_start;
int z80_scanline;
int timer_a_next_oflow, timer_a_step; // in z80 cycles