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m740: Add missing JSR ($zz) instruction mode

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This commit is contained in:
AJR 2020-10-18 20:15:56 -04:00
parent 66d2045d35
commit faff4e6c2d
2 changed files with 14 additions and 2 deletions
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4
src/devices/cpu/m6502/dm740.lst
View File

@ -1,7 +1,7 @@
# license:BSD-3-Clause
# copyright-holders:Olivier Galibert
# m740 device
brk740_imp ora_idx kil_non bbs_bar nop_zpg ora_zpg asl_zpg bbs_bzr php_imp ora_imm asl_acc seb_bac nop_aba ora_aba asl_aba seb_biz
brk740_imp ora_idx jsr_zpi bbs_bar nop_zpg ora_zpg asl_zpg bbs_bzr php_imp ora_imm asl_acc seb_bac nop_aba ora_aba asl_aba seb_biz
bpl_rel ora_idy clt_imp bbc_bar nop_zpx ora_zpx asl_zpx bbc_bzr clc_imp ora_aby dec_acc clb_bac nop_abx ora_abx asl_abx clb_biz
jsr_adr and_idx jsr_spg bbs_bar bit_zpg and_zpg rol_zpg bbs_bzr plp_imp and_imm rol_acc seb_bac bit_aba and_aba rol_aba seb_biz
bmi_rel and_idy set_imp bbc_bar nop_zpx and_zpx rol_zpx bbc_bzr sec_imp and_aby inc_acc clb_bac ldm_imz and_abx rol_abx clb_biz
@ -17,7 +17,7 @@ cpy_imm cmp_idx nop_imm bbs_bar cpy_zpg cmp_zpg dec_zpg
bne_rel cmp_idy kil_non bbc_bar nop_zpx cmp_zpx dec_zpx bbc_bzr cld_imp cmp_aby nop_imp clb_bac nop_abx cmp_abx dec_abx clb_biz
cpx_imm sbc_idx nop_imm bbs_bar cpx_zpg sbc_zpg inc_zpg bbs_bzr inx_imp sbc_imm nop_imp seb_bac cpx_aba sbc_aba inc_aba seb_biz
beq_rel sbc_idy kil_non bbc_bar nop_zpx sbc_zpx inc_zpx bbc_bzr sed_imp sbc_aby nop_imp clb_bac nop_abx sbc_abx inc_abx clb_biz
brk740_imp ort_idx kil_non bbs_bar nop_zpg ort_zpg asl_zpg bbs_bzr php_imp ort_imm asl_acc seb_bac nop_aba ort_aba asl_aba seb_biz
brk740_imp ort_idx jsr_zpi bbs_bar nop_zpg ort_zpg asl_zpg bbs_bzr php_imp ort_imm asl_acc seb_bac nop_aba ort_aba asl_aba seb_biz
bpl_rel ort_idy clt_imp bbc_bar nop_zpx ort_zpx asl_zpx bbc_bzr clc_imp ort_aby dect_acc clb_bac nop_abx ort_abx asl_abx clb_biz
jsr_adr andt_idx jsr_spg bbs_bar bit_zpg andt_zpg rol_zpg bbs_bzr plp_imp andt_imm rol_acc seb_bac bit_aba andt_aba rol_aba seb_biz
bmi_rel andt_idy set_imp bbc_bar nop_zpx andt_zpx rol_zpx bbc_bzr sec_imp andt_aby inct_acc clb_bac ldm_imz andt_abx rol_abx clb_biz

12
src/devices/cpu/m6502/om740.lst
View File

@ -113,6 +113,18 @@ jmp_zpi
PC = TMP;
prefetch();
jsr_zpi
TMP2 = read_pc();
read(SP);
write(SP, PC>>8);
dec_SP();
write(SP, PC);
dec_SP();
TMP = read(TMP2 & 0xff);
TMP = set_h(TMP, read((TMP2+1) & 0xff));
PC = TMP;
prefetch();
reset740
P |= F_I; PC = read_arg(0xfffe);
PC = set_h(PC, read_arg(0xffff));