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Doxygen comments; INT response; Rotation macros.

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redcode
2022-05-31 21:26:41 +02:00
parent 536b993081
commit 6402b58bc0
3 changed files with 93 additions and 51 deletions
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93
API/Z80.h
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@@ -360,16 +360,16 @@ typedef struct {
zuint8 halt_line;
} Z80;
#define Z80_SF 128
#define Z80_ZF 64
#define Z80_YF 32
#define Z80_HF 16
#define Z80_XF 8
#define Z80_PF 4
#define Z80_NF 2
#define Z80_CF 1
#define Z80_SF 128 /**< @brief Bitmask of the @ref Z80 S flag. */
#define Z80_ZF 64 /**< @brief Bitmask of the @ref Z80 Z flag. */
#define Z80_YF 32 /**< @brief Bitmask of the @ref Z80 Y flag. */
#define Z80_HF 16 /**< @brief Bitmask of the @ref Z80 H flag. */
#define Z80_XF 8 /**< @brief Bitmask of the @ref Z80 X flag. */
#define Z80_PF 4 /**< @brief Bitmask of the @ref Z80 P/V flag. */
#define Z80_NF 2 /**< @brief Bitmask of the @ref Z80 N flag. */
#define Z80_CF 1 /**< @brief Bitmask of the @ref Z80 C flag. */
/** @brief @ref Z80 option that enables the HALTskip optimization. */
/** @brief @ref Z80 option that enables HALTskip. */
#define Z80_OPTION_HALT_SKIP 16
@@ -394,50 +394,81 @@ typedef struct {
#define Z80_OPTION_YQ 32
/** @brief @ref Z80 option that enables all the options required to fully
* emulate a Zilog NMOS CPU. */
/** @brief @ref Z80 meta-option that enables full emulation of the Zilog NMOS
* models. */
#define Z80_MODEL_ZILOG_NMOS \
(Z80_OPTION_LD_A_IR_BUG | Z80_OPTION_XQ | Z80_OPTION_YQ)
/** @brief @ref Z80 option that enables all the options required to fully
* emulate a Zilog CMOS CPU. */
/** @brief @ref Z80 meta-option that enables full emulation of the Zilog CMOS
* models. */
#define Z80_MODEL_ZILOG_CMOS \
(Z80_OPTION_OUT_VC_255 | Z80_OPTION_XQ | Z80_OPTION_YQ)
/** @brief @ref Z80 option that enables all the options required to fully
* emulate a NEC NMOS CPU. */
/** @brief @ref Z80 meta-option that enables full emulation of the NEC NMOS
* models. */
#define Z80_MODEL_NEC_NMOS \
Z80_OPTION_LD_A_IR_BUG
/** @brief @ref Z80 option that enables all the options required to fully
* emulate a SGS-Thomson CMOS CPU. */
/** @brief @ref Z80 meta-option that enables full emulation of the ST CMOS
* models. */
#define Z80_MODEL_ST_CMOS \
(Z80_OPTION_LD_A_IR_BUG | Z80_OPTION_YQ)
#define Z80_REQUEST_RESET 3
#define Z80_REQUEST_REJECT_NMI 4
#define Z80_REQUEST_NMI 8 /**< NMI pending. */
#define Z80_REQUEST_CLEAR_PC 16
#define Z80_REQUEST_SPECIAL_RESET 32
#define Z80_REQUEST_INT 64 /**< INT pending. */
#define Z80_REQUEST_ANY_RESET 35
/** @brief @ref Z80 request flag anouncing an incoming RESET signal. */
#define Z80_REQUEST_RESET 3
/** @brief @ref Z80 request flag that prevents NMI signals from being accepted.
* */
#define Z80_REQUEST_REJECT_NMI 4
/** @brief @ref Z80 request flag anouncing that a non-maskable interrupt signal
* has been detected.*/
#define Z80_REQUEST_NMI 8
/** @brief @ref Z80 request flag indicating that... */
#define Z80_REQUEST_CLEAR_PC 16
/** @brief @ref Z80 request flag anouncing an incoming special RESET signal. */
#define Z80_REQUEST_SPECIAL_RESET 32
#define Z80_REQUEST_RESET 3
#define Z80_REQUEST_INTERRUPT 5
#define Z80_REQUEST_INT 64
#define Z80_REQUEST_ANY_RESET 35
#define Z80_REQUEST_RESET 3
#define Z80_REQUEST_INTERRUPT 5
/** @brief @ref Z80 resume code that is set when the emulator runs out of clock
* cycles during the HALT state. */
#define Z80_RESUME_HALT 1
/** @brief @ref Z80 resume code that is set when the emulator runs out of clock
* cycles by fetching a prefix sequence or an illegal instruction with @c DDh
* or @c FDh prefix. */
#define Z80_RESUME_XY 2
/** @brief @ref Z80 resume code that is set when the emulator runs out of clock
* cycles during a maskable interrupt response in mode 0, by fetching a prefix
* sequence or an illegal instruction with @c DDh or @c FDh prefix. */
#define Z80_RESUME_IM0_XY 3
#define Z80_RESUME_HALT 1 /**< Resume the execution of the HALT state. */
#define Z80_RESUME_XY 2 /**< Resume at opcode decode stage in INT mode 0. */
#define Z80_RESUME_IM0_XY 3 /**< Resume at opcode decode stage. */
#define Z80_RESUME_NORMAL_RESET 4
#define Z80_RESUME_SPECIAL_RESET_XY 5
#define Z80_RESUME_SPECIAL_RESET_NOP 6
/** @brief Accesses the MEMPTR register of a @ref Z80 @c object. */
#define Z80_MEMPTR(object) (object).memptr.uint16_value