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calls, jumps, and stack.

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This commit is contained in:
Samuel Walker
2025-01-30 22:54:33 -07:00
parent 022c24dd35
commit dd1c6d2e0e
7 changed files with 146 additions and 4 deletions
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37
lib/instructions.c
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@ -16,20 +16,25 @@ instruction instructions[0x100] = {
[0x12] = {IN_LD, AM_MR_R, RT_DE, RT_A},
[0x15] = {IN_DEC, AM_R, RT_D},
[0x16] = {IN_LD, AM_R_D8, RT_D},
[0x18] = {IN_JR, AM_D8},
[0x1A] = {IN_LD, AM_R_MR, RT_A, RT_DE},
[0x1E] = {IN_LD, AM_R_D8, RT_E},
//0x2X
[0x20] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_NZ},
[0x21] = {IN_LD, AM_R_D16, RT_HL},
[0x22] = {IN_LD, AM_HLI_R, RT_HL, RT_A},
[0x25] = {IN_DEC, AM_R, RT_H},
[0x26] = {IN_LD, AM_R_D8, RT_H},
[0x28] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_Z},
[0x2A] = {IN_LD, AM_R_HLI, RT_A, RT_HL},
[0x2E] = {IN_LD, AM_R_D8, RT_L},
//0x3X
[0x30] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_NC},
[0x31] = {IN_LD, AM_R_D16, RT_SP},
[0x32] = {IN_LD, AM_HLD_R, RT_HL, RT_A},
[0x35] = {IN_DEC, AM_MR, RT_HL},
[0x36] = {IN_LD, AM_MR_D8, RT_HL},
[0x38] = {IN_JR, AM_D8, RT_NONE, RT_NONE, CT_C},
[0x3A] = {IN_LD, AM_R_HLD, RT_A, RT_HL},
[0x3E] = {IN_LD, AM_R_D8, RT_A},
//0x4X
@ -106,17 +111,49 @@ instruction instructions[0x100] = {
[0xAF] = {IN_XOR, AM_R, RT_A},
//0xBX
//0xCX
[0xC0] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_NZ},
[0xC1] = {IN_POP, AM_IMP, RT_BC},
[0xC2] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_NZ},
[0xC3] = {IN_JP, AM_D16},
[0xC4] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_NZ},
[0xC5] = {IN_PUSH, AM_IMP, RT_BC},
[0xC7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x00},
[0xC8] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_Z},
[0xC9] = {IN_RET},
[0xCA] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_Z},
[0xCC] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_Z},
[0xCD] = {IN_CALL, AM_D16},
[0xCF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x08},
//0xDX
[0xD0] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_NC},
[0xD1] = {IN_POP, AM_IMP, RT_DE},
[0xD2] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_NC},
[0xD4] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_NC},
[0xD5] = {IN_PUSH, AM_IMP, RT_DE},
[0xD7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x10},
[0xD8] = {IN_RET, AM_IMP, RT_NONE, RT_NONE, CT_C},
[0xD9] = {IN_RETI},
[0xDA] = {IN_JP, AM_D16, RT_NONE, RT_NONE, CT_C},
[0xDC] = {IN_CALL, AM_D16, RT_NONE, RT_NONE, CT_C},
[0xDF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x18},
//0xEX
[0xE0] = {IN_LDH, AM_A8_R, RT_NONE, RT_A},
[0xE1] = {IN_POP, AM_IMP, RT_HL},
[0xE2] = {IN_LD, AM_MR_R, RT_C, RT_A},
[0xE5] = {IN_PUSH, AM_IMP, RT_HL},
[0xE7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x20},
[0xE9] = {IN_JP, AM_MR, RT_HL},
[0xEA] = {IN_LD, AM_A16_R, RT_NONE, RT_A},
[0xEF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x28},
//0xFX
[0xF0] = {IN_LDH, AM_R_A8, RT_A},
[0xF1] = {IN_POP, AM_IMP, RT_AF},
[0xF2] = {IN_LD, AM_R_MR, RT_A, RT_C},
[0xF3] = {IN_DI},
[0xF5] = {IN_PUSH, AM_IMP, RT_AF},
[0xF7] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x30},
[0xFA] = {IN_LD, AM_R_A16, RT_A},
[0xFF] = {IN_RST, AM_IMP, RT_NONE, RT_NONE, CT_NONE, 0x38}
};
instruction *instruction_by_opcode(u8 opcode) {